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CFII.III.A ground lesson 60–90 minutes

WEATHER INFORMATION

PREFLIGHT PREPARATION · Task WEATHER INFORMATION

Completion Standards

CFII candidate demonstrates knowledge of all CFII.III.A items and ability to teach the concept effectively to instrument helicopter students. All skill elements demonstrated to PTS standards.

Objective

The CFII candidate will demonstrate instructional knowledge and teaching ability for obtaining and interpreting weather information for helicopter IFR flight planning and operations. Upon completion, the candidate will effectively teach a helicopter instrument student how to access, decode, and apply aviation weather products to make sound go/no-go decisions and manage in-flight weather risks specific to single-pilot helicopter IFR operations.

Performance Standards (PTS CFII.III.A):

Content

Introduction: The Foundation of Every IFR Decision

Weather information represents the cornerstone of every instrument flight decision — preflight, en route, and destination. Unlike VFR operations where visual cues provide immediate feedback, IFR helicopter operations require pilots to build accurate mental models of atmospheric conditions they cannot see. The single-pilot helicopter IFR environment demands efficient weather information gathering because the pilot has no crew resource to share workload during deteriorating conditions.

Teaching weather information begins with a fundamental principle: aviation weather is about risk assessment, not forecasting perfection. Students must learn to synthesize multiple sources into a coherent picture, identify decision points, and recognize when conditions exceed personal or regulatory minimums.

Teaching Philosophy for Weather Instruction

When teaching weather information, emphasize three core concepts:

  1. Multiple sources validate the picture — Never rely on a single weather product
  2. Currency matters — Weather data has a half-life; older information becomes increasingly unreliable
  3. Trends reveal the story — Sequential observations show whether conditions are improving, stable, or deteriorating

The effective helicopter CFII teaches students to build a systematic weather briefing process that works under stress, during unplanned diversions, and with limited cockpit resources.

Sources of Weather Data — Real-Time Observation Systems

AWOS (Automated Weather Observing System)

AWOS provides automated surface observations at airports without human weather observers. Systems range from AWOS-I (basic altimeter setting) through AWOS-IV (full weather suite including precipitation type and thunderstorm detection).

Teaching approach: Use the analogy of “weather robots with different skill levels.” AWOS-I is the basic intern who only checks the barometer. AWOS-IV is the experienced observer who notices everything. Students must understand what each level reports (and doesn’t report) because missing ceiling reports from AWOS-I could create false confidence about VFR conditions.

Key instructional points:

ASOS (Automated Surface Observing System)

ASOS represents the National Weather Service’s primary surface observation network, providing more sophisticated measurements than most AWOS installations. ASOS feeds directly into national weather databases, making these observations particularly valuable for trend analysis.

Teaching approach: Explain ASOS as “the weather station that talks to everyone.” When Flight Service gives you current conditions, it’s often ASOS data. When you see a METAR, it’s frequently ASOS-generated.

Key instructional points:

ATIS (Automatic Terminal Information Service)

ATIS serves high-activity airports with continuous broadcasts of current conditions, active runways, and operational information. For IFR helicopter operations, ATIS provides approach clearance expectations and known traffic flow.

Teaching approach: Frame ATIS as “the efficiency tool that keeps controllers from repeating themselves.” In controlled airspace IFR, calling approach without the current ATIS marks you as unprepared.

Key instructional points:

National Weather Service (NWS) and Flight Service

NWS provides foundational meteorological data — surface analysis, forecasts, warnings, and specialized aviation products. Flight Service (1-800-WX-BRIEF or 1800wxbrief.com) synthesizes NWS data into aviation-specific briefings.

Teaching approach: “Flight Service is your weather interpreter.” They take raw meteorological data and translate it into aviation impact: ‘This cold front means you’ll face moderate turbulence below 6,000 feet and IFR conditions in rain showers from 1400Z to 1800Z.’

Standard Weather Briefing types:

Key instructional points:

Weather Reports and Charts — Building the Mental Model

METAR (Meteorological Aerodrome Report)

METARs provide standardized surface observations in a compact, internationally recognized format. For helicopter IFR operations, METARs offer precise visibility, ceiling, wind, and present weather — the primary go/no-go data points.

Teaching approach: Teach METAR decoding as “reading the airport’s vital signs.” Each group tells one specific story. Students must develop automatic decoding ability because cockpit workload doesn’t permit reference card fumbling.

Standard METAR format and teaching sequence:

METAR KBFI 121853Z 18008KT 10SM FEW015 BKN250 16/14 A3012 RMK AO2 SLP201

Break down each component:

Critical METAR elements for helicopter IFR instruction:

Ceiling determination: Only BKN (broken) or OVC (overcast) layers constitute ceilings. Students commonly misidentify SCT (scattered) as a ceiling — this error could lead to illegal takeoffs or approaches.

Visibility obscurations: BR (mist), FG (fog), HZ (haze), FU (smoke) — each has different formation and dissipation characteristics. Helicopter students must understand that visibility restrictions near the surface severely compromise the visual segment of instrument approaches.

Precipitation types: RA (rain), SN (snow), FZRA (freezing rain), PL (ice pellets). Freezing rain in a METAR is a helicopter no-go — period. No anti-ice or de-ice equals no dispatch authority.

Intensity modifiers: – (light), no modifier (moderate), + (heavy). Heavy precipitation reduces visibility and can overwhelm marginal VFR escape routes.

Special METAR (SPECI): Issued for rapid weather changes between routine hourly observations. Teach students that SPECIs indicate dynamic conditions — the weather is actively changing, increasing planning uncertainty.

Teaching common errors:

TAF (Terminal Aerodrome Forecast)

TAFs provide 24-30 hour forecasts for specific airports, formatted similarly to METARs with time-bracketed change groups. For IFR flight planning, TAFs answer “What will destination and alternate weather look like at my ETA?”

Teaching approach: “TAFs are the weather promise — what meteorologists expect will happen. Your job is determining how confident you should be in that promise.”

Standard TAF format:

TAF KSEA 121720Z 1218/1324 22015G25KT P6SM BKN020
     FM130200 20012KT P6SM SCT030
     TEMPO 1302/1305 5SM -SHRA BKN015

Component breakdown:

Critical TAF instruction points:

Change groups indicate forecast confidence: Multiple TEMPO and PROB groups suggest meteorological uncertainty. If a TAF shows TEMPO conditions at your ETA, plan for the worst-case scenario.

Forecast amendment frequency: TAFs updated every 6 hours, but amended (TAF AMD) when forecasters recognize significant errors. Teaching moment: Check for amendments close to departure — they indicate forecast busts.

Helicopter-specific application: TAFs forecast wind, visibility, and ceiling — exactly what determines legal IFR approach minimums. Students must practice extracting alternate requirements (forecast 1 hour before to 1 hour after ETA must be 600-2 or 800-2).

Teaching common errors:

Graphical Forecasts for Aviation (GFA)

The GFA replaced legacy text-based area forecasts in 2017, providing intuitive graphical depictions of ceilings, visibility, precipitation, icing, and turbulence.

Teaching approach: “GFA is your weather cartoon — visual snapshots showing where IFR conditions, icing, and turbulence exist.” Particularly valuable for helicopter operations because it shows spatial extent of hazards, helping identify VFR escape routes or IFR alternates.

GFA components:

Key instructional points:

Teaching common errors:

Inflight Weather Advisories

AIRMETs (Airman’s Meteorological Information)

AIRMETs warn of weather potentially hazardous to small aircraft, including helicopters. Issued every 6 hours with updates as needed.

Three AIRMET types:

Teaching approach: “AIRMETs define the yellow caution zone. Conditions aren’t prohibitive, but they demand increased vigilance and proficiency. For helicopters, any icing AIRMET is red-line serious.”

Helicopter-specific AIRMET interpretation:

AIRMET Sierra: Widespread IFR conditions may eliminate VFR escape options. Students must recognize that helicopter IFR approaches have higher minimums than fixed-wing, reducing usable alternate airports.

AIRMET Tango: Moderate turbulence affects helicopter controllability more than airplanes due to lower mass and different control response. Surface winds over 30 knots create unsafe landing zone conditions even if airborne handling remains manageable.

AIRMET Zulu: Any icing forecast is a helicopter no-go unless certified FIKI (Flight Into Known Icing) — rare in civilian helicopters. Teach absolute avoidance, not mitigation.

SIGMETs (Significant Meteorological Information)

SIGMETs warn of hazardous weather affecting all aircraft. Non-convective SIGMETs issued as needed; Convective SIGMETs (WST) issued hourly.

SIGMET criteria:

Convective SIGMET criteria:

Teaching approach: “SIGMETs mean ‘don’t go there.’ These are hazards that can destroy aircraft, not inconvenience flights. When you see a SIGMET on your route, you’re planning an alternate route, not evaluating risk tolerance.”

Helicopter-specific SIGMET instruction:

Helicopters lack weather radar and airborne weather detection systems typical in IFR-certified airplanes. Students must maintain significantly larger margins from SIGMET areas because they cannot detect or deviate around embedded cells. Teach 20+ mile avoidance rings, not minimum separation.

Teaching common errors:

Weather Charts — Analyzing Synoptic Patterns

Surface Analysis Chart

Surface analysis depicts current positions of pressure systems, fronts, and station models. Issued every 3 hours by the Weather Prediction Center.

Teaching approach: “This is the weather’s skeleton — where high and low pressure bones sit. Everything else (wind, clouds, precipitation) hangs on this framework.”

Key features:

Instructional emphasis for helicopters:

Tight isobar spacing = strong winds: Visual pressure gradient assessment helps students anticipate surface winds affecting departure and arrival.

Frontal slopes: Cold fronts create narrow, intense weather. Warm fronts create broad, stratiform conditions. Students must recognize that cold front passage means rapidly changing weather (plan extra alternate), while warm fronts create extended IFR (perhaps flyable but lengthy exposure).

Weather Depiction Chart (Legacy product — discontinued but conceptually important)

While no longer produced, the weather depiction concept (flight category and present weather distribution) now appears in GFA flight category overlays. Teach the concept: quick-glance VFR/IFR/LIFR areas for route feasibility.

Radar Summary Chart

Real-time composite of precipitation returns from WSR-88D NEXRAD radar network. Accessible through aviationweather.gov or EFB applications.

Teaching approach: “Radar shows where water is falling right now. It doesn’t forecast, but it shows reality. For helicopters without onboard radar, this is your thunderstorm eyes.”

Radar interpretation essentials:

Critical helicopter instruction:

Level 3+ returns (heavy precipitation) indicate potential for severe turbulence, microbursts, and lightning — all helicopter-prohibitive conditions. Teach students to route around level 3+ by 20 miles minimum. Magenta returns (extreme) require 50+ mile avoidance.

Teaching common errors:

Prognostic Charts — Forecasting Weather Evolution

Significant Weather Prognostic Charts (Low-Level and High-Level)

Low-level prog charts forecast weather from surface to 24,000 feet (more relevant for helicopters). Issued four times daily with 12 and 24-hour forecast panels.

Teaching approach: “Prog charts answer ‘what’s coming?’ They show where weather will be, not where it is. Your preflight briefing uses these to spot developing hazards.”

Chart elements:

Helicopter-specific instruction:

Students must understand freezing level location because it defines where structural ice forms in visible moisture. Unlike airplanes that might climb above icing, helicopters typically descend — but if freezing level is at the surface, there’s nowhere to escape.

Severe Weather Outlook Chart

Issued by Storm Prediction Center, showing categorical thunderstorm risk areas (General, Slight, Moderate, High) for Days 1, 2, and 3.

Teaching approach: “This chart flags ‘bad idea days.’ When your route falls under Moderate or High risk, you’re not adjusting your plan — you’re canceling or choosing a completely different day.”

Instructional points:

Winds and Temperature Aloft Forecasts (FB)

FB forecasts provide wind direction, speed, and temperature at specific altitudes for planning purposes. Issued twice daily (0000Z and 1200Z) valid for 6, 12, and 24 hours.

Teaching approach: “Winds aloft forecasts fuel planning and performance calculations. Temperature aloft determines density altitude and icing potential.”

Format example:

FT  3000  6000  9000  12000
SEA 2714  2625-04  2535-11  2444-18

Decoding:

Critical helicopter considerations:

Most helicopter IFR operations occur below 6,000 feet. Students must focus on lowest altitude winds for:

Temperature aloft affects:

Teaching common errors:

Pilot Weather Reports (PIREPs)

PIREPs provide real observations from pilots aloft — the most valuable weather information because it describes actual flight conditions.

Teaching approach: “PIREPs are gold. They’re not forecasts or estimates — they’re ‘I just flew through it’ reports. Always file PIREPs to help other pilots, and always check for recent PIREPs on your route.”

PIREP format (UA):

UA /OV SEA 090015/TM 1645/FL055/TP R44/SK BKN025-TOP040/TA M02/WV 27025/TB LGT/RM LLWS +/-10KT

Decoded:

Critical PIREP elements for instruction:

Icing PIREPs: /IC — Trace, light, moderate, severe. Any icing PIREP near your route/altitude requires immediate plan revision for non-FIKI helicopters.

Turbulence PIREPs: /TB — Light (LGT), moderate (MOD), severe (SVR), extreme (EXTRM). Moderate or greater turbulence PIREPs from helicopters should prompt serious reconsideration — helicopter mass and control authority differ from fixed-wing reporters.

Wind shear PIREPs: Commonly in remarks. Low-level wind shear on approach path creates control difficulties and potential loss of control, especially during single-pilot operations.

Teaching emphasis: Students must file PIREPs for any unexpected conditions, especially icing, turbulence, and wind shear. Helicopter PIREPs are particularly valuable because they represent low-altitude conditions where airline PIREPs don’t exist.

Teaching common errors:

Freezing Level Charts

Freezing level charts depict the altitude where temperature reaches 0°C, critical for icing hazard assessment.

Teaching approach: “The freezing level is the icing hazard floor. Fly in visible moisture above this altitude, and ice forms. For helicopters, this is a no-go line.”

Chart features:

Helicopter-specific instruction:

Students must understand that icing requires two conditions: visible moisture (clouds, precipitation) AND temperatures ≤0°C. Freezing level charts provide the temperature component. Cross-reference with GFA or prog charts for moisture.

Key teaching point: Helicopters cannot legally or safely operate in known or forecast icing unless certified FIKI. Freezing level chart + forecast clouds = known icing. Cancel or reroute.

Integration — Building the Complete Weather Picture

Effective weather instruction doesn’t teach products in isolation. Students must learn systematic integration:

Preflight briefing sequence:

  1. Check current conditions (METARs, ASOS/AWOS) at departure, destination, alternates
  2. Review trends (sequential METARs showing improvement/deterioration)
  3. Check forecasts (TAFs for destination/alternates at ETA)
  4. Examine broader picture (GFA, surface analysis, prog charts for route)
  5. Identify hazards (AIRMETs, SIGMETs, convective outlook)
  6. Verify with real observations (PIREPs along route and altitude)
  7. Check specialty products (freezing level if moisture present, winds aloft for performance)

In-flight weather monitoring:

  1. Continuous ATIS/ASOS monitoring approaching controlled airspace
  2. Flight Service contact for updated weather and PIREPs
  3. ATC requests for pilot reports from preceding aircraft
  4. Personal observation correlation with forecasts
  5. File PIREPs for next pilot

Common Student Errors in Weather Information Gathering

Error: Single-source reliance Symptom: Student checks TAF, sees VFR, launches without confirming current METAR or broader trends. Correction: Teach multiple-source validation. TAF is forecast; METAR is reality. Surface analysis shows why conditions exist. PIREPs confirm accuracy.

Error: Ignoring temporal validity Symptom: Using 3-hour-old METAR for current conditions or yesterday’s TAF for today’s flight. Correction: Emphasize timestamp awareness. Weather data degrades rapidly. Current means “within the last hour.” Forecast means “valid for specific future period.”

Error: Misunderstanding icing hazards Symptom: Student plans IFR flight in forecast icing because “we’ll just stay out of clouds” or “we can descend if ice forms.” Correction: Helicopter icing is binary: avoid or die. No anti-ice systems mean zero tolerance. Structural ice accumulates in seconds, not minutes. Escape by descent assumes freezing level isn’t at the surface.

Error: Underestimating convective weather Symptom: Student believes VFR conditions around thunderstorms permit safe flight or plans to “visually avoid” cells. Correction: Convective weather kills through turbulence, wind shear, microbursts, hail, and lightning — not just visibility. Helicopters require 20+ mile margins from severe cells. Without onboard radar, visual avoidance is guesswork.

Error: Confusing forecast confidence Symptom: Treating TEMPO conditions as unlikely or ignoring PROB40 forecasts. Correction: TEMPO means “this will happen intermittently.” PROB40 means “40% chance — not unlikely.” Plan for worst-case forecast scenario, especially when it affects legal minimums.

Error: Ignoring remarks sections Symptom: Student decodes basic METAR elements but skips RMK, missing wind shear advisories, thunderstorm locations, or rapid change indicators. Correction: Remarks contain critical operational information. RMK SLP, T-storm location, and wind shear are as important as base observation.

Risk Management Integration

While the PTS task doesn’t explicitly list risk management items, effective weather instruction inherently addresses risk:

Hazardous weather avoidance: Teach conservative margins around SIGMETs, thunderstorms, icing, and low IFR conditions. Single-pilot helicopters lack redundancy for error recovery.

Alternate planning: Weather forecasts have uncertainty. Always brief and plan alternates with better forecast weather, accounting for fuel reserves to reach them.

Personal minimums: Regulatory minimums are not proficiency minimums. Students should establish personal weather minimums (e.g., 800-2 ceilings, 3 miles visibility, no forecast icing) until experience justifies tighter margins.

Go/no-go decision making: Weather drives most aviation accidents. Teach students that canceling for weather is professionalism, not weakness.

In-flight contingencies: Brief what weather would trigger diversion (降低 visibility, unexpected icing, thunderstorm development). Have alternates and escape plans before launch.

Schedule

Lesson SegmentDurationContent Focus
Introduction & Objectives10 minLesson goals, PTS standards, importance of weather information in IFR decision-making
Weather Data Sources25 minAWOS/ASOS/ATIS systems, NWS, Flight Service, briefing types
METAR Instruction30 minMETAR format, decoding practice, ceiling determination, common errors, student practice
TAF Instruction25 minTAF format, change groups, alternate weather requirements, forecast confidence
Graphical Products20 minGFA navigation, interpreting flight categories, icing/turbulence overlays
Advisories (AIRMETs/SIGMETs)20 minTypes, criteria, helicopter-specific interpretation, avoidance strategies
Weather Charts25 minSurface analysis, radar summary, prog charts, freezing level charts
Winds Aloft & PIREPs20 minFB format, helicopter operations focus, PIREP filing and interpretation
Integration & Briefing Sequence25 minSystematic weather briefing demonstration, multiple-source validation
Common Errors Discussion15 minIdentifying and correcting typical student weather interpretation mistakes
Student Practice Scenarios30 minCandidate demonstrates teaching 2-3 weather briefing scenarios with simulated student errors
Evaluation & Debrief15 minPTS completion standards review, self-assessment, corrective feedback
Total4.0 hoursGround instruction

Equipment

Required References

Weather Products and Materials

Visual Aids and Teaching Tools

Supplementary Materials

Instructor Actions

The CFII candidate demonstrates instructional competence by:

  1. Explaining the lesson objective and PTS standards — Opening statement clearly identifies what the student will learn, why weather information matters for helicopter IFR operations, and how performance will be measured against PTS CFII.III.A requirements.

  2. Demonstrating systematic weather data access — Candidate physically navigates to aviationweather.gov, 1800wxbrief.com, and Flight Service phone briefing, narrating each step: “First, I check current conditions at my departure airport. I’m looking at the METAR timestamp to ensure it’s within the last hour…”

  3. Decoding weather products using teaching methodology — Candidate selects a METAR, writes it on the board, and decodes each group using the building-block method: “Let’s start with the basics — station identifier, then time…” Uses analogies (e.g., “Temperature and dewpoint spread is like measuring how thirsty the air is — small spread means the air is almost full of moisture”).

  4. Identifying and explaining helicopter-specific considerations — Candidate explicitly addresses why certain weather elements matter more in helicopters: “Notice this AIRMET Zulu for moderate icing. In a training helicopter without anti-ice, this isn’t a maybe — it’s an absolute no-go. Unlike our fixed-wing colleagues who might climb above it or activate boots, we have no options.”

  5. Demonstrating integration of multiple weather sources — Candidate conducts a complete preflight weather briefing for a sample IFR flight, showing how METAR, TAF, GFA, surface analysis, and PIREPs combine to create a coherent picture: “The TAF shows improvement to MVFR, but the surface analysis reveals a warm front stalling. That makes me skeptical of the timing. Let’s check for PIREPs…”

  6. Teaching common student errors through demonstration — Candidate role-plays a student making typical mistakes (e.g., misidentifying ceiling, ignoring TEMPO conditions) and then switches to instructor mode to correct: “I notice you called this a 1,000-foot ceiling, but look at the coverage — it’s SCT, not BKN. What does that mean for legal IFR operations?”

  7. Using questioning techniques to assess understanding — Throughout instruction, candidate employs targeted questions: “If the freezing level is at 4,000 feet and we’re planning to cruise at 5,000 in forecast clouds, what hazard are we facing?” Pauses for response, provides feedback.

  8. Demonstrating proper use of reference materials — Candidate shows when and how to use AC 00-45H for detailed weather product explanations: “If you’re uncertain about a weather symbol, here’s where to find the decoder…”

  9. Conducting scenario-based instruction — Candidate presents realistic IFR flight scenarios with actual weather data, walking through decision-making: “You’re planning a 1.5-hour IFR cross-country. Departure is currently IFR, destination TAF shows TEMPO IFR at your ETA, and there’s an AIRMET Sierra en route. What’s your decision process?”

  10. Administering practice exercises — Candidate assigns student practice tasks (decode three METARs, determine alternate requirements from TAF, identify icing hazards from freezing level chart) and provides immediate constructive feedback.

  11. Conducting scenario-based evaluation — Candidate role-plays as a student instructor teaching weather briefing to a simulated student (the examiner), demonstrating ability to identify and correct errors in the teaching process.

  12. Debriefing performance — Candidate summarizes key learning points, identifies areas where additional practice is needed, and provides encouragement: “You correctly identified all METAR elements, but let’s practice TAF change groups a bit more before next lesson.”

Student Actions

During this instructional session, the student (or simulated student during practical test) will:

  1. State the lesson objective — Repeat or paraphrase the objective to confirm understanding of learning goals.

  2. Access weather information sources — Navigate to specified websites, make Flight Service call, or tune AWOS/ASOS frequency as directed by instructor.

  3. Decode weather products — Working from provided METARs, TAFs, and charts, decode elements and translate into operational meaning (e.g., “METAR shows 400-foot overcast, 1-mile visibility in fog — that’s below minimums for our GPS approach”).

  4. Identify critical weather elements — Highlight ceiling, visibility, wind, temperature/dewpoint spread, present weather, and remarks affecting go/no-go decisions.

  5. Determine legal weather requirements — Given scenario, calculate whether departure, destination, and alternate weather meet regulatory minimums (91.175, 91.167, 91.169).

  6. Conduct practice weather briefings — Perform complete preflight briefing for assigned IFR route, accessing multiple sources and synthesizing information into coherent brief.

  7. Answer instructor questions — Respond to oral questioning about weather product interpretation, hazard identification, and decision-making rationale.

  8. Identify hazards in weather scenarios — Review presented weather package and state identified hazards: “The freezing level is at 2,000 feet with forecast clouds from 3,000-8,000. That’s a known icing condition — flight is not legal or safe in this helicopter.”

  9. Demonstrate error recognition — When shown incorrect weather interpretation examples, identify the error and explain correct interpretation.

  10. File practice PIREPs — Given inflight scenario (actual or simulated), compose proper PIREP with all required elements.

  11. Make go/no-go decisions — State clearly whether flight should proceed based on presented weather data, with supporting rationale.

  12. Ask clarifying questions — Seek instructor guidance when uncertain about weather product interpretation, regulation application, or decision criteria.

Completion Standards

The lesson is complete when the CFII candidate meets PTS CFII.III.A standards by demonstrating instructional knowledge and teaching ability for weather information. Specifically, the candidate must:

  1. Exhibit instructional knowledge of weather information sources by:

    • Accurately explaining how to access AWOS, ASOS, ATIS, Flight Service, and National Weather Service products
    • Describing differences between automated observation systems and their limitations
    • Demonstrating actual access to online weather briefing resources
    • Explaining standard, abbreviated, and outlook briefing purposes

  2. Exhibit instructional knowledge of weather reports and charts by:

    • Decoding METARs with 100% accuracy including type, station, time, wind, visibility, weather, sky condition, temperature, dewpoint, altimeter, and remarks
    • Decoding TAFs with 100% accuracy including all forecast periods and change groups (FM, TEMPO, BECMG, PROB)
    • Explaining GFA navigation and interpretation of flight categories, icing, and turbulence overlays
    • Interpreting surface analysis charts identifying pressure systems, fronts, and isobars
    • Analyzing radar summary charts for precipitation intensity, echo tops, and cell movement
    • Reading significant weather prognostic charts for forecast IFR conditions and hazards
    • Decoding winds and temperatures aloft forecasts
    • Interpreting PIREPs for icing, turbulence, and sky conditions
    • Using freezing level charts to identify icing hazard altitudes
    • Interpreting severe weather outlook charts and convective outlooks

  3. Exhibit instructional knowledge of inflight weather advisories by:

    • Explaining AIRMET Sierra, Tango, and Zulu criteria and content
    • Explaining SIGMET criteria for severe turbulence, icing, dust/sand, and volcanic ash
    • Explaining Convective SIGMET criteria for severe thunderstorms
    • Describing helicopter-specific implications of each advisory type
    • Demonstrating how to check for current advisories during preflight and inflight

  4. Demonstrate teaching ability by:

    • Using effective instructional techniques (clear explanations, analogies, student engagement)
    • Employing the building-block method for complex weather products (teaching simple elements before combining)
    • Using questioning to verify student comprehension
    • Providing scenario-based practice opportunities
    • Demonstrating patience and clarity when student struggles with decoding

  5. Identify and correct common student errors including:

    • Misidentifying ceilings (SCT vs. BKN/OVC)
    • Confusing TEMPO with BECMG in TAFs
    • Using outdated weather information
    • Ignoring remarks sections in METARs
    • Single-source reliance instead of cross-checking multiple products
    • Underestimating icing hazards in non-FIKI helicopters
    • Misinterpreting winds aloft as current conditions

  6. Demonstrate helicopter-specific weather emphasis by:

    • Explaining absolute icing avoidance requirements for non-FIKI helicopters
    • Addressing single-pilot workload limitations for weather monitoring
    • Explaining lower helicopter IFR approach minimums vs. fixed-wing
    • Describing turbulence and wind shear effects on helicopter controllability
    • Teaching conservative margins for convective weather without onboard radar

  7. Conduct integrated weather briefing demonstration by:

    • Systematically accessing departure, en route, and destination weather
    • Cross-checking METARs, TAFs, and forecast charts for consistency
    • Identifying all hazards (icing, turbulence, convective activity, low IFR)
    • Making clear go/no-go decision with supporting rationale
    • Completing briefing in organized, efficient manner suitable for single-pilot operations

  8. Answer evaluator questions accurately and completely regarding:

    • Weather product interpretation
    • Regulatory weather minimums (91.103, 91.155, 91.167, 91.169)
    • Hazardous weather avoidance strategies
    • Differences between weather products (when to use METAR vs. TAF vs. PIREP)
    • Briefing requirements and sources

Performance Tolerances:

Unsatisfactory Performance:

Evaluator Note: This lesson evaluates instructional knowledge and teaching ability, not just personal weather proficiency. The candidate must demonstrate they can effectively teach weather information gathering and interpretation to instrument students, not merely perform it themselves.

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