NORMAL AND CROSSWIND APPROACHES AND LANDINGS

Objective

The student will demonstrate ATP-level precision in planning and executing normal and crosswind approaches to landing, maintaining ±5° ground track in the pattern, executing stabilized approaches at recommended airspeeds and angles, and terminating within ±2 feet lateral and ±2 feet vertical of the designated point with smooth control application and proper risk management. Upon completion, the student will meet the performance standards of 14 CFR Part 61.157(e)(2) and FAA-S-ACS-ATP Task AT.VIII.A.

Content

Regulatory Foundation

14 CFR §61.157(e)(2) — ATP practical test must include tasks applicable to the aircraft category, including landings and approaches to landings

14 CFR §91.126 — Operating on or in the vicinity of an airport in Class G airspace — establishes standard traffic pattern procedures (left turns unless otherwise indicated)

14 CFR §91.129 — Operations in Class D airspace — ATC clearance required for landing

14 CFR §91.3(a) — PIC is directly responsible for and final authority over aircraft operation, including approach path selection for terrain and obstacle clearance

Applicable Advisory Circulars:

• AC 90-66B — Non-Towered Airport Flight Operations
• AC 90-23G — Aircraft Wake Turbulence
• FAA-H-8083-21B Chapter 11 — Approaches and Landings

ATP-Level Approach Fundamentals

At ATP level, approaches are flow-managed segments requiring precision planning and execution. Unlike commercial operations where ±10 feet may be acceptable, ATP standards demand ±2 feet lateral positioning—the difference between a professional corporate operation and hobby-level flying.

Recommended Approach Angles: Most helicopters use 8-12° approach angles for normal approaches. Steeper approaches (up to 15°) may be used for obstacle clearance but increase settling-with-power risk. Shallower approaches reduce obstacle clearance margins. The ATP pilot selects angles appropriate to the specific helicopter’s characteristics, landing environment, and wind conditions.

Approach Airspeeds: Manufacturer recommended approach speeds typically range from effective translational lift (ETL) speed to 1.3 x Vne at approach weight. Common turbine helicopters:

• Bell 206: 60-70 KIAS
• AS350: 60-70 KIAS
• Bell 407: 60-80 KIAS
• MD500: 50-60 KIAS

Approach speed provides margin above Vhmc (hover minimum control speed), ensures positive rate of descent control, and maintains retreating blade stall margin while maneuvering.

V-Speeds Applicable to Approaches:

• Vne — Never exceed speed (affects approach speed selection based on weight)
• Vhmc — Hover minimum control speed (must remain above during transition)
• Best range speed — Reference for efficient approach planning in low-fuel situations
• Vy — Best rate of climb speed (critical for go-around performance assessment)

Configuration Management: ATP pilots establish approach configuration early and maintain it throughout—this means power setting trends, attitude reference, collective position awareness, and trim conditions that produce the desired profile with minimal control manipulation. Late configuration changes destabilize approaches.

Crosswind Approach Techniques

Crosswind approaches require drift correction throughout the pattern and approach profile. Two primary methods exist:

Crab Method: Helicopter heading differs from ground track by the necessary drift correction angle. On short final, crab is removed prior to touchdown/hover transition by coordinated pedal input to align fuselage with landing direction. This is the preferred ATP method for precision and controllability.

Slip Method: Low-side skid into wind maintains ground track with fuselage aligned to runway/landing area. Less precise, increases power required, and complicates turbine engine operations due to airflow disturbance over engine intakes. Rarely used in turbine helicopters.

Crosswind Limitations: Each helicopter has demonstrated crosswind component limits based on certification testing. These are recommendations, not regulatory limits, but exceeding them places operations outside the tested envelope:

• Bell 206L-4: 17 knots
• AS350B3: 30 knots (varies by model)
• Bell 407: 30 knots

ATP pilots must evaluate actual crosswind component using Crosswind = Wind Speed × sin(angle) and determine if conditions exceed personal or aircraft limitations.

Traffic Pattern Procedures

Pattern Altitude: Typically 500-1000 feet AGL for helicopters at towered airports; 500 feet AGL common at non-towered fields. Higher pattern altitudes improve emergency landing options but complicate noise abatement and increase pattern size.

Pattern Dimensions: ATP operations in controlled airspace require ATC compliance. In uncontrolled airspace, maintain pattern dimensions that:

• Keep airport in autorotative glide range throughout
• Provide adequate spacing from other traffic
• Allow smooth, continuous descent on final approach
• Match local published procedures or NOTAMs

Pattern Segments:

1. Upwind — Departure path extended
2. Crosswind — 90° turn from upwind, typically 300-500 feet below pattern altitude
3. Downwind — Parallel to landing direction, pattern altitude, abeam point 0.5-1.0 nm from landing area
4. Base — 90° turn from downwind, descending
5. Final — Aligned with landing direction, stabilized descent to landing point

Wake Turbulence Considerations

14 CFR §91.3 requires PIC to maintain safe separation. AIM Chapter 7-3 provides wake turbulence guidance:

• Vortex Strength: Proportional to aircraft weight, inversely proportional to speed—heaviest, slowest aircraft produce strongest vortices
• Vortex Behavior: Descend 300-500 FPM, level off 500-900 feet below flight path, drift with wind
• Helicopter Vulnerability: Light helicopters especially susceptible due to lower inertia and disc loading

Wake Avoidance on Approach:

• Landing behind departing aircraft: land prior to departure point
• Landing behind arriving aircraft: stay at or above predecessor’s approach path, land beyond touchdown point
• Crosswind component moves upwind vortex toward flight path—increase caution
• 3-minute separation following heavy/B757 is minimum; ATP judgment may require more

Performance Limitations

Power Required vs. Available: Approach planning must account for:

• Density altitude effects on engine and rotor performance
• Weight affects on power required (heavier = more power in hover)
• Wind decreases power required during approach but increases hover power in tailwind
• Temperature—high DA days may preclude hover landings; require run-on or roll-on

Height-Velocity Diagram: Approach path should avoid the avoid areas (“coffin corner” and mid-altitude avoid area) or minimize exposure time. Stabilized approaches naturally track outside these areas until final descent.

Critical Decision Points: ATP pilots identify points where go-around is no longer possible due to insufficient power margins. This is dynamically calculated based on current conditions, not assumed.

Safety Factors and Risk Management

Stabilized Approach Criteria — By 300 feet AGL (or mid-final if lower approach):

• On proper ground track (±5°)
• At recommended approach speed (±5 knots)
• At planned descent angle
• In landing configuration
• Engine parameters normal
• No unusual control inputs required

If not stabilized, go-around is mandatory—this is the ATP standard.

Energy Management: Approach represents controlled energy dissipation. Excessive speed or altitude at any point requires immediate correction or go-around. The ATP pilot manages energy state throughout, never allowing accumulation that cannot be safely dissipated.

Density Altitude Assessment: Before every approach:

1. Calculate density altitude using current altimeter, temperature
2. Reference performance charts for hover power required
3. Compare to available power (typically 85-90% continuous power limit)
4. Determine if hover capability exists or if running/roll-on landing required

Wind Assessment and ATIS/AWOS Limitations: Surface wind sensors may not represent wind at pattern altitude or across the approach path. ATP pilots observe:

• Wind drift on other segments of pattern
• Surface indicators (flags, smoke, dust)
• Tetrahedron or wind tee at non-towered airports
• AWOS/ATIS age—winds change, particularly in convective conditions

Obstructions and Approach Path Planning: ATP operations often occur in confined areas. Consider:

• Wires (nearly invisible—use chart supplements, local knowledge, Google Earth pre-flight)
• Trees and vegetation (height difficult to judge)
• Terrain rising into approach path
• Dynamic obstacles (vehicles, personnel, other aircraft)

Visibility and Lighting Considerations: Visual approach requires:

• Clear identification of intended landing point throughout approach
• Adequate contrast to judge closure rate and height
• If either is degraded, go-around and reassess or request alternate landing area

Approach Execution Technique

Power Management: Unlike fixed-wing, helicopter approaches are powered events. Collective adjustments control rate of descent; cyclic controls airspeed. Anticipate power requirements:

• Constant power approach — Minimal collective changes; attitude adjusts rate of descent
• Attitude-controlled approach — Constant attitude; collective adjusts rate of descent
• Most turbine helicopters favor attitude control for smoother engine spooling

Transition to Hover: Beginning approximately 50 feet AGL:

1. Progressively reduce forward airspeed by aft cyclic
2. Increase collective to arrest rate of descent
3. Maintain heading with pedals (increased pedal required as power increases)
4. Coordinate all three to arrive at hover altitude, over designated point, with zero groundspeed simultaneously

Transition to Surface Touchdown: For run-on or roll-on landings:

1. Continue shallow approach to surface
2. Apply aft cyclic to reduce groundspeed to minimum translational speed
3. Cushion touchdown with collective
4. Maintain heading with pedals through ground contact
5. Lower collective smoothly after both skids/wheels contact

Common Errors and Corrections

High Final with Rapid Descent: Creates unstable approach; risks settling-with-power. Correction: Go-around; re-establish proper profile.

Fast Final with Shallow Approach: Excess energy complicates transition; risks running out of cyclic authority. Correction: Early recognition and go-around; or if minor, accept landing beyond desired point rather than forcing deceleration.

Downwind Overshoot/Undershoot: Pattern geometry errors. Correction: Adjust turn to base timing; widen or tighten base leg to recapture proper final approach distance.

Crosswind Drift on Final: Late or inadequate crab angle. Correction: Immediate heading adjustment when drift detected; do not allow accumulation.

Rushed Controls in Transition: Common in crosswind when pilot tries to align heading, stop, and arrive simultaneously. Correction: Practice smooth coordination; accept wider tolerances initially and refine with repetition.

Schedule

Equipment

Required:

• Turbine helicopter (Bell 206, AS350, Bell 407, or similar) airworthy and properly equipped for ATP training
• FAA-S-ACS-ATP — Airline Transport Pilot and Type Rating for Helicopter
• FAA-H-8083-21B — Rotorcraft Flying Handbook
• FAA-H-8083-25B — Pilot’s Handbook of Aeronautical Knowledge
• AIM — Aeronautical Information Manual (current edition)
• Current sectional chart and chart supplement for training area
• Helicopter Flight Manual (RFM) with performance charts
• Airport/Facility Directory or ForeFlight/Garmin Pilot with airport diagrams
• E6B or electronic flight calculator for crosswind component and density altitude
• KNEEBOARD with approach profile reference card, pattern diagram, ATP standards card

Visual Aids:

• Whiteboard or tablet for drawing traffic patterns, approach profiles, and wind triangles
• Crosswind component chart or calculator demonstration
• Height-Velocity diagram specific to training helicopter
• Video examples of stabilized approaches vs. unstable approaches (if available)

Airport/Training Area:

• Towered or non-towered airport with paved runway for normal operations
• Designated landing areas (marked pads or clear areas) for confined area approaches
• Sufficient wind conditions to demonstrate crosswind techniques (minimum 10-knot crosswind component desirable; safe maximum based on aircraft limits)

Instructor Actions

1. Pre-Flight Briefing: Conduct comprehensive ground instruction covering all Content items above. Emphasize ATP standards—this is not commercial-level tolerance anymore. Explain that ±2 feet lateral requires visual reference discipline and smooth control coordination. Use whiteboard to diagram traffic pattern with wind correction angles, approach profile with angle and airspeed markers, and crosswind crab removal technique.

2. Performance Planning: Work through density altitude calculation with student using current conditions. Calculate hover power required at planned landing weight. Determine power margin. If marginal, discuss decision to conduct running landing vs. hover landing. Reinforce this is not optional—ATP pilots make informed performance decisions every approach.

3. Weather and Wind Analysis: Review current ATIS/AWOS. Calculate crosswind component using forecast winds. Discuss wind variability—if gusts exceed 15 knots or wind shift potential exists, brief contingencies. Review wake turbulence risk if operating at towered field with air carrier or heavy traffic.

4. Demonstrate Normal Approach (No Crosswind): Establish pattern entry per local procedures. Maintain altitude on downwind, ±5° ground track parallel to landing direction, 50-60 knots (aircraft-specific), abeam point 0.5 nm. At abeam point or slightly beyond, announce turn to base, begin descent. Turn base maintaining ground track awareness—adjust for wind. Call “base, descending.” Turn final aligned with runway centerline or designated landing area. Establish stabilized approach: 60 knots (example), 200-300 FPM descent, tracking centerline. Call “final, stabilized approach” at 300 feet AGL. Continue to 50 feet, narrate transition: “Reducing speed, adding power, maintaining track.” Arrive in hover ±2 feet lateral, ±2 feet vertical. Hold hover momentarily, demonstrate collective reduction to surface if touchdown landing, or reposition as directed. Throughout, narrate what you’re seeing, what controls are doing, and why.

5. Demonstrate Crosswind Approach: Repeat pattern with crosswind emphasis. On downwind, show crab into wind to maintain parallel track. Narrate heading vs. ground track awareness—“We’re heading 180, but ground track is 185 due to wind from the left.” Turn base, adjust crab. Turn final, establish crab angle that maintains runway centerline tracking. Narrate: “Wind from left 15 knots, approximately 20° angle, need about 5° crab.” Maintain crab down final. At 50 feet, narrate: “Reducing speed, adding power, removing crab with right pedal to align fuselage.” Demonstrate smooth pedal input timed with deceleration. Arrive in hover aligned with runway, ±2 feet of centerline.

6. Coach Student Practice: Direct student to fly pattern and approaches. Use progressive coaching:

   • First approach: talk student through each step (“check ground track—are you parallel?”, “when are you turning base?”, “stabilized approach check—speed, descent, track?”)
   • Second approach: reduce verbal cues, let student make decisions, only intervene for safety or major deviations
   • Subsequent approaches: focus on precision refinement—“You were 4 feet right of centerline at hover—what would you adjust?” Use specific numbers tied to ATP standards.

7. Introduce Wake Turbulence Scenario (if at towered field): Coordinate with ATC or simulate scenario. “Jet departed runway 18 one minute ago, you’re cleared to land 18. What’s your plan?” Expect student to identify need to land beyond jet’s rotation point and/or extend downwind for time separation. Debrief decision-making process.

8. High Density Altitude Scenario: Brief scenario: “It’s now 95°F, density altitude 5,500 feet, we’re at max gross weight. Hover power chart shows we need 95% torque, but max continuous is 90%. What’s your approach plan?” Expect student to select running landing or roll-on landing, avoiding hover termination. Demonstrate as needed.

9. Simulate Go-Around Decision: During one approach, call “unstable” at 200 feet AGL (instructor simulates distraction causing pattern error). Student must recognize unstable condition and execute go-around. Debrief decision criteria.

10. Debrief Each Approach: Immediately after each approach, provide specific feedback: “That approach: ground track within 3° on downwind—excellent. Base turn was 8° off—we drifted north. Final was stabilized by 400 feet—good. Hover termination was 1 foot right, 3 feet high—review collective coordination during transition.” Use numbers. ATP training is objective, measurable, repeatable.

11. Post-Flight Debrief: Review lesson objectives. Assess which performance standards were met, which need refinement. Use training records to note specific deviations with numbers (e.g., “Approach 3: hover 4 feet left, 1 foot low”). Assign self-study: review Chapter 11 of FAA-H-8083-21B, practice mental calculations of crosswind component and density altitude. Preview next lesson.

Student Actions

1. Pre-Flight: Actively participate in ground briefing. Ask questions about ATP standards, performance margins, crosswind limits. Perform weight and balance, density altitude calculation, and hover power determination with instructor oversight. Review airport diagram and identify pattern entry, traffic flow, landing areas.

2. Pre-Flight Inspection: Conduct thorough aircraft inspection per checklist. Check skid condition (critical for crosswind landings), flight controls for proper rigging (affects crosswind control authority), and engine intake screens (affects performance at high DA).

3. Perform Start, Run-Up, and Taxi: Complete all checklist items. Practice hover taxi maintaining heading and track—this is miniature crosswind practice. Before takeoff, brief takeoff, departure, and pattern entry plan aloud for instructor critique.

4. Fly Pattern with Precision: Establish pattern altitude and maintain ±50 feet. Maintain ground track parallel to runway on downwind within ±5°—this requires wind drift awareness and heading adjustments. Note abeam point visually and/or by GPS. Turn to base at appropriate point to establish final approach distance of 0.5-1.0 nm.

5. Execute Stabilized Approach: By 300 feet AGL on final, verify:

   • Airspeed: recommended approach speed ±5 knots
   • Descent rate: 200-300 FPM (or as required for 8-12° angle)
   • Ground track: aligned with centerline/landing point ±5°
   • Configuration: proper power setting, no unusual control positions
   • Call “stabilized” aloud if all criteria met, or “going around” if not met

6. Manage Crosswind Correction: Establish appropriate crab angle on final to maintain ground track. Monitor drift continuously—if track deviates, adjust heading immediately. Maintain crab through approach until transition phase.

7. Execute Transition to Hover or Touchdown: Beginning at 50 feet AGL:

   • Smoothly reduce airspeed with aft cyclic
   • Increase collective progressively to arrest descent
   • If crosswind: coordinate pedal input to align fuselage with landing direction as airspeed decreases (remove crab)
   • Coordinate all controls to arrive simultaneously: zero groundspeed, hover altitude, on centerline, fuselage aligned
   • Target: ±2 feet lateral, ±2 feet vertical of designated point

8. Complete After-Landing Checklist: Once stable in hover or after touchdown, methodically complete checklist. In hover: announce intentions before any movement. After touchdown: lower collective, check engine parameters, set friction, confirm brakes if applicable.

9. Accept Feedback and Self-Critique: After each approach, immediately self-assess before instructor comments. Develop habit: “I was high on final, should have initiated descent earlier. Hover was 3 feet right—drifted during transition.” ATP pilots are self-correcting. Use instructor feedback to refine technique on next approach.

10. Demonstrate Risk Management: Verbalize decision-making aloud. “Density altitude is 3,200 feet, wind is calm, we have 15% power margin—hover landing is appropriate.” Or: “Wind is gusting 25 knots, that’s at my personal crosswind limit, I’ll plan a running landing to maintain better directional control.” Show you’re not just flying—you’re managing risk.

11. Execute Go-Around When Required: If approach becomes unstable (any criterion not met by 300 feet AGL), immediately announce “Going around,” smoothly add power, establish climb attitude, accelerate to Vy, maintain heading, depart pattern or reenter as directed. Do not attempt to salvage an unstable approach—this is the ATP mindset.

Completion Standards

The student demonstrates ATP-level proficiency in normal and crosswind approaches and landings per FAA-S-ACS-ATP Task AT.VIII.A when they consistently and without instructor assistance:

Knowledge:

• Explains recommended approach angles (8-12° typical), airspeeds (manufacturer-recommended, typically 60-80 KIAS for common turbines), and how weight, wind, and density altitude affect these parameters
• Describes aircraft-specific V-speeds applicable to approaches (Vne, Vhmc, Vy) and their significance to approach planning and go-around capability
• Calculates crosswind component and verifies it is within aircraft demonstrated limits and personal limitations
• Identifies wake turbulence avoidance procedures when following heavier aircraft and applies appropriate spacing (minimum 3 minutes behind heavy/B757, or more based on conditions)
• Performs accurate density altitude and hover power calculations to determine if hover capability exists prior to each approach
• Describes stabilized approach criteria and commits to go-around if not stabilized by 300 feet AGL

Risk Management:

• Establishes appropriate landing configuration (power setting, airspeed, descent rate) before 300 feet AGL and maintains it throughout final approach
• Maintains ground track throughout pattern within ±5° of desired track, making prompt drift corrections for wind
• Verifies wind conditions using ATIS/AWOS/visual indicators and adjusts approach technique (crab angle, touchdown point, landing style) accordingly
• Identifies obstructions along approach path and adjusts approach angle or landing point to maintain safe clearance
• Makes go-around decision without hesitation when approach becomes unstable or when any abnormal condition develops

Skills:

• Flies traffic pattern maintaining pattern altitude ±50 feet and ground track ±5° on all legs
• Establishes stabilized final approach by 300 feet AGL: recommended airspeed ±5 knots, descent angle 8-12°, aligned with landing area within ±5°
• Maintains normal rate of closure (200-300 FPM typical) without abrupt control inputs through final approach segment
• Executes smooth transition to hover terminating within ±2 feet lateral and ±2 feet vertical of designated point at recommended hover altitude (typically 3-5 feet skid height)
• OR executes smooth transition to surface touchdown terminating within ±2 feet lateral of centerline with gentle ground contact
• In crosswind conditions: maintains ground track alignment on final using appropriate crab, smoothly removes crab during transition aligning fuselage with landing direction, maintains directional control throughout touchdown/hover
• Completes after-landing checklist items promptly and accurately without omissions
• Demonstrates ATP-level smoothness, precision, and situational awareness throughout all approach and landing operations

Proficiency Demonstrated When:

• Student completes minimum of 5 consecutive approaches meeting all performance standards above without instructor intervention
• At least 2 approaches demonstrate crosswind correction techniques with crosswind component ≥10 knots
• Student verbalizes decision-making throughout approach (stabilized checks, drift corrections, go-around criteria)
• Student consistently achieves hover termination or touchdown within ±2 feet lateral and ±2 feet vertical on 80% or more of approaches
• Student demonstrates immediate go-around when approach becomes unstable, without prompting

Unsatisfactory Performance:

• Ground track deviation exceeds ±5° on any pattern leg without prompt correction
• Final approach not stabilized by 300 feet AGL (airspeed >±5 knots, track >±5°, or improper descent rate)
• Hover termination or touchdown exceeds ±2 feet lateral or ±2 feet vertical of designated point
• Failure to maintain positive aircraft control during crosswind transition (loss of heading, yaw oscillations, touchdown with drift)
• Continuation of unstable approach below 300 feet AGL without executing go-around
• Omission of after-landing checklist items
• Any unsafe act or exceeding aircraft limitations

This lesson plan meets the requirements of 14 CFR §61.157(e)(2) and FAA-S-ACS-ATP Task AT.VIII.A for ATP helicopter certification training.