STRAIGHT-AND-LEVEL FLIGHT

Objective

The CFII candidate will demonstrate instructional knowledge and teaching ability for helicopter straight-and-level flight by reference to instruments. Upon completion, the candidate will explain and demonstrate the relationship between pitch, bank, and power in maintaining level flight; teach both full and partial panel techniques; identify and correct common student errors; and meet the performance standards of PTS Task CFII.VI.A. The candidate will maintain heading ±10°, altitude ±100 feet, and airspeed ±10 knots while demonstrating effective instructional techniques.

Content

The Foundation of Instrument Flight in Helicopters

Straight-and-level flight is the fundamental building block of all instrument flight. In helicopters, this maneuver requires continuous, small control inputs due to the inherent instability of rotary-wing aircraft. Unlike fixed-wing aircraft that can be trimmed to fly hands-off, helicopters demand constant pilot attention and coordination. As an instructor, you must help students understand that “straight-and-level” is not a static condition but a dynamic equilibrium achieved through disciplined cross-check and immediate corrections.

The Relationship of Pitch, Bank, and Power in Straight-and-Level Flight

The control-performance concept forms the basis for teaching instrument flight. In straight-and-level flight, the instructor must emphasize three primary relationships:

Pitch controls altitude. In a helicopter, cyclic position determines the attitude of the rotor disk. Forward cyclic lowers the nose; aft cyclic raises it. Students must learn that altitude deviations are corrected first with attitude changes, then verified with performance. For climbs, the rule of thumb is approximately 2° nose-up attitude change per 100 feet per minute climb rate, though this varies by helicopter type and loading. The attitude indicator is the pitch control instrument; the altimeter and VSI are pitch performance instruments.

Bank controls heading. Any deviation from wings-level flight (zero bank) will cause the helicopter to turn. In coordinated flight, small bank angles produce proportional heading changes. A 5° bank produces approximately a 1½° per second turn rate (half-standard rate). Students often struggle with the concept that in helicopters, keeping the ball centered does NOT mean the turn is coordinated to the horizon — it means coordinated to the fuselage. The heading indicator is the bank performance instrument; the attitude indicator shows bank directly.

Power controls airspeed in level flight. Manifold pressure or torque directly affects forward speed when pitch attitude is held constant. In straight-and-level flight, reducing power decreases airspeed; increasing power increases airspeed. This relationship reverses in climbs and descents. The collective is the power control; the airspeed indicator is the power performance instrument. Students must internalize that power changes require immediate pitch corrections to maintain altitude — raise the collective, lower the nose slightly.

The instructor must teach these relationships as integrated, not isolated. When a student sees the nose drop, they should immediately associate: altitude will decrease (pitch performance), airspeed will increase (power performance), but heading will remain constant if bank hasn’t changed (bank performance).

Control-Performance Instrument Scanning

The cross-check (scan) is the disciplined procedure of observing and interpreting flight instruments. For straight-and-level flight instruction, teach the radial scan pattern with the attitude indicator as the central focal point:

Primary instruments for straight-and-level flight:

• Pitch: Altimeter (performance)
• Bank: Heading indicator (performance)
• Power: Airspeed indicator (performance)

Supporting instruments:

• Attitude indicator (control for pitch and bank)
• VSI (trend information for pitch)
• Turn coordinator (quality of bank/turn)
• Manifold pressure/torque (direct power reading)

Students must learn that the attitude indicator shows what the helicopter is DOING, while performance instruments show what the helicopter is ABOUT TO DO or HAS DONE. The scan must be continuous — never fixate. A common teaching technique is the “hub and spoke” visualization: attitude indicator is the hub, performance instruments are the spokes, scan flows outward and returns to center.

Full Panel Procedures

With all instruments operative, the CFII candidate must teach the standard scan and correction sequence:

Entry procedure:

1. Establish attitude — set level flight attitude on attitude indicator
2. Set power — establish cruise power setting appropriate to helicopter type
3. Trim — reduce control pressures (noting that helicopter trim is limited compared to airplanes)
4. Cross-check — begin disciplined scan of all six primary instruments

Maintaining straight-and-level flight:

• If altitude begins to deviate: correct immediately with small pitch change (1-2° maximum), cross-check VSI for trend, verify correction on altimeter
• If heading begins to deviate: correct immediately with small bank (5° maximum), center ball with anti-torque pedals, verify on heading indicator
• If airspeed begins to deviate: correct with small power change (1-2% torque or 1” MP), anticipate pitch change requirement, verify on airspeed indicator

Teach students that corrections should be HALF the deviation. Altitude 50 feet low? Climb at 50 feet per minute. Heading 6° right? Use 3° bank to correct. This prevents overcontrolling and chasing the instruments.

Partial Panel Procedures

Partial panel simulates attitude indicator and/or heading indicator failure. The regulation governing this is 14 CFR 91.205(d), which requires specific instruments for IFR flight. When the attitude indicator fails, pilots must transition to using control instruments differently.

Pitch control without attitude indicator:

• Altimeter becomes primary pitch instrument
• VSI shows pitch trend immediately
• Airspeed shows secondary pitch trend
• Use magnetic compass for bank/heading (accounting for acceleration/deceleration errors)

Bank control without heading indicator:

• Turn coordinator becomes primary bank instrument
• Magnetic compass shows heading (with significant limitations)
• Coordination requires increased anti-torque pedal awareness

The instructor must emphasize that partial panel requires a MORE disciplined scan and SMALLER corrections. Without the instant attitude reference, students tend to overcontrol. Teach the “needle-ball-airspeed” scan for pitch and the “needle-ball-compass” scan for bank.

Partial panel teaching points:

• Anticipate lag in instrument response
• Trust the VSI trend — it responds before altitude changes significantly
• Magnetic compass is unreliable during turns — roll out, stabilize, then check heading
• Reduce workload by slowing to minimum IFR airspeed during partial panel operations
• In helicopters, single-pilot IFR workload is already high — partial panel compounds this exponentially

Coordination of Controls and Trim

Helicopter trim systems vary significantly by type. Robinson helicopters have no cyclic trim; Bell helicopters typically have longitudinal cyclic trim only; turbine helicopters often have more sophisticated force-trim or autopilot systems.

Coordinated flight principles:

• The ball should be centered, indicating zero sideslip
• In straight-and-level flight with constant power, trim requirements should be minimal
• Translate anti-torque (left pedal in American helicopters) requirements with power changes
• As collective increases, left pedal requirement increases to counteract increased tail rotor thrust needed

Teaching trim technique:

1. Establish the flight condition (straight-and-level at desired altitude and airspeed)
2. Note control pressures required to maintain
3. Adjust available trim to reduce those pressures
4. Verify helicopter maintains condition with reduced effort
5. Monitor and re-trim as fuel burn or configuration changes weight and balance

Students must understand that trim is a WORKLOAD REDUCTION tool, not a flight control substitute. In helicopters, constant small corrections are normal even with proper trim.

Common Error: Slow or Improper Cross-Check During Straight-and-Level Flight

Recognition: Student demonstrates fixation on single instrument, omits instruments from scan, scans too slowly, or scans without interpreting.

Causes:

• Insufficient practice leading to unfamiliarity with scan pattern
• Task saturation from other cockpit duties
• Misunderstanding of which instruments are primary vs. supporting
• Lack of systematic scan procedure

Instructional correction:

• Verbalize the scan: “Attitude, altimeter, attitude, heading, attitude, airspeed, attitude”
• Use the “say what you see” technique — student narrates each instrument reading
• Identify fixation immediately: “You’ve looked at the altimeter for five seconds. What are your other instruments doing?”
• Build the scan incrementally: start with pitch instruments only, add bank, then power
• During ground instruction, use instrument panel diagrams to trace scan patterns

Demonstration to DPE: The CFII candidate will show a student scenario where the student fixates on the altimeter while altitude and heading both deviate. The candidate will identify the fixation, explain the consequence, and coach the student to establish a systematic scan pattern while making appropriate corrections.

Common Error: Improper Power Control

Recognition: Student uses excessive power changes, fails to anticipate power requirements, or makes power adjustments without compensating pitch changes.

Causes:

• Misunderstanding of power-airspeed relationship in level flight
• Failure to lead altitude with appropriate power setting
• Treating power and pitch as independent rather than interdependent
• Poor understanding of helicopter-specific power requirements

Instructional correction:

• Teach the pitch-power marriage: “Every power change demands a pitch change”
• Establish power setting tables for common configurations (cruise, slow flight, approach)
• Demonstrate “ahead of the helicopter” thinking: establish power BEFORE reaching target altitude
• Use “torque required vs. torque available” charts to predict power needs
• Practice power changes in 1% increments, observing results

Demonstration to DPE: The CFII candidate will simulate a student who adds power to correct decreasing airspeed but fails to lower the nose, resulting in a climb. The candidate will stop the maneuver, explain the error, demonstrate the correct technique (power adjustment with simultaneous pitch correction), and have the student practice the integrated control movement.

Common Error: Failure to Make Smooth, Precise Corrections

Recognition: Student makes abrupt, large control inputs; overcorrects deviations; or demonstrates jerky, inconsistent control movements.

Causes:

• Attempting to correct deviations too rapidly
• Using excessive control displacement for small errors
• Delayed recognition leading to large errors requiring large corrections
• Poor understanding of control sensitivity in instrument conditions

Instructional correction:

• Teach the “half the deviation” rule for all corrections
• Emphasize SMALL corrections made EARLY rather than large corrections made late
• Demonstrate “rolling on” corrections — gradual control input, not abrupt
• Use the concept of “stabilize, then evaluate” — make correction, wait for response, assess
• Practice patience: “We have time. The deviation didn’t happen instantly; the correction doesn’t need to be instant.”

Demonstration to DPE: The CFII candidate will show a scenario where a student sees 200 feet altitude deviation and applies aggressive nose-up attitude, causing climb through altitude. The candidate will coach smooth, measured corrections: establish 100 FPM climb rate, monitor approach to target altitude, reduce climb rate 50 feet prior, level off precisely.

Common Error: Uncoordinated Use of Controls

Recognition: Ball consistently off-center, wings level but heading changing, skidding or slipping in turns, excessive control cross-coupling.

Causes:

• Failure to monitor turn coordinator or ball
• Misunderstanding of coordinated flight in helicopters
• Inadequate anti-torque pedal input during power changes
• Not centering controls after corrections

Instructional correction:

• Emphasize “step on the ball” — if ball is left, add left pedal
• Teach the power-pedal relationship: demonstrate power change with and without pedal coordination
• Include the ball in primary scan pattern
• Use partial panel exercises to heighten coordination awareness
• Explain that in helicopters, coordinated flight means the fuselage is aligned with relative wind, NOT necessarily with the horizon

Demonstration to DPE: The CFII candidate will demonstrate a student attempting a heading correction with bank but failing to add appropriate pedal, resulting in a skid (ball opposite direction of turn). The candidate will identify the error through ball position, explain why coordination matters (efficiency, comfort, accuracy), and demonstrate the correction: bank plus coordinated pedal pressure.

Common Error: Improper Trim Control

Recognition: Student fails to trim, over-trims causing opposite control pressure requirement, trims during maneuvering flight, or doesn’t re-trim after configuration changes.

Causes:

• Misunderstanding of trim purpose (not a flight control, but a pressure-reduction tool)
• Attempting to trim before stabilizing flight condition
• Not recognizing when trim requirements have changed
• Lack of knowledge about specific helicopter trim system

Instructional correction:

• Teach the sequence: establish attitude → set power → stabilize → trim
• Demonstrate control pressure before and after trim adjustment
• Explain helicopter-specific trim limitations (many helicopters have minimal trim authority)
• Practice recognition of trim requirement: “If you’re holding constant pressure for more than 10 seconds, you need trim”
• Brief trim system thoroughly during preflight — where it is, how it works, what it affects

Demonstration to DPE: The CFII candidate will show a student who attempts to trim while in a climbing right turn, resulting in confusion about what control pressures should feel like. The candidate will explain that trim is only adjusted in stabilized flight, demonstrate returning to straight-and-level flight, stabilizing all parameters, then applying trim to reduce control pressures.

Risk Management in Straight-and-Level Flight

While the PTS does not specify risk management elements for this task, the CFII candidate should address operational risks:

Workload Management: Single-pilot IFR in helicopters presents high workload. Straight-and-level flight should be the “rest” phase where pilots accomplish other tasks (communication, navigation setup, approach review). Teach students to recognize when deviations indicate they’re task-saturated.

Instrument Failure Recognition: Students must learn to identify instrument failures during straight-and-level flight when deviations are small. A slowly failing attitude indicator or erratic heading indicator is easier to catch in stable flight than during approaches.

Physiological Factors: Spatial disorientation most commonly begins during “simple” straight-and-level flight. Teach recognition of the leans, graveyard spiral onset, and somatogravic illusions. The only defense is absolute trust in instruments.

Environmental Factors: Turbulence, icing, and weather deviations all begin from straight-and-level flight. Students should learn to maintain aircraft control FIRST, then deal with environmental factors.

Schedule

Equipment

Required References:

• FAA-S-8081-9E (CFII Helicopter Practical Test Standards)
• FAA-H-8083-15B (Instrument Flying Handbook, Chapters 5 and 7)
• FAA-H-8083-21B (Helicopter Flying Handbook, Chapters 9 and 11)
• FAA-H-8083-9B (Aviation Instructor’s Handbook, Chapters 2, 4, and 9)
• 14 CFR Part 91.205 (Required instruments for IFR)
• Helicopter-specific AFM/RFM for aircraft being used

Materials:

• Instrument panel diagram for candidate’s helicopter type
• Instrument cross-check flashcards showing various instrument configurations
• Whiteboard or paper for drawing scan patterns and pitch-power-bank relationships
• PTS Task CFII.VI.A highlighting worksheet
• Common error scenario cards (written descriptions of student performance)

Visual Aids:

• Instrument panel poster showing primary/supporting instruments highlighted
• Control-performance concept diagram showing pitch/bank/power relationships
• Partial panel instrument arrangement diagram with failed instruments marked
• Magnetic compass error diagram showing acceleration/deceleration and turning errors
• Scan pattern overlay showing hub-and-spoke technique

Aircraft/Training Device:

• IFR-certified helicopter with operative full panel instrumentation
• View-limiting device (hood or foggles)
• Method to simulate instrument failures (covers or circuit breakers per MEL/LOA)
• External reference for DPE observation (clear conditions or safety pilot if in actual aircraft)

Optional Equipment:

• Flight training device (FTD) or aviation training device (ATD) with helicopter representation
• Video recording equipment to capture and debrief instrument scan technique
• Audio recording of instructional explanation for self-critique

Instructor Actions

The CFII candidate will demonstrate the ability to teach straight-and-level flight by reference to instruments through the following actions, which will be evaluated by the DPE:

Pre-flight Instructional Actions:

1. Present clear learning objectives tied to PTS standards, explaining that the lesson covers the foundation of all instrument flight and establishes the control-performance concept that applies to every subsequent maneuver.

2. Explain pitch-bank-power relationships using analogies appropriate to the student’s experience level. For example: “Think of pitch as the elevator in a building — it only goes up or down. Bank is the steering wheel — it only changes direction. Power is the accelerator — it only changes how fast you’re going down the hallway.”

3. Demonstrate proper instrument scan technique using ground-based instrument panel, verbalizing each step: “My eyes go to the attitude indicator — level pitch, wings level. Now to the altimeter — on altitude. Back to attitude indicator. Now heading — on course. Back to attitude. Now airspeed…”

4. Brief partial panel procedures thoroughly, explaining which instruments become primary when the attitude indicator fails, and demonstrating compensation techniques using instrument diagrams.

5. Review each common error using specific scenarios: “Your student is maintaining heading perfectly, but altitude is 150 feet low and still descending. What does this tell you about their scan pattern? How will you correct this instructionally?”

6. Establish standards for the flight portion, explaining how the DPE will evaluate both the candidate’s flying precision AND instructional effectiveness simultaneously.

In-Flight Instructional Actions:

7. Establish straight-and-level flight at the assigned altitude and heading while verbalizing every action: “I’m establishing level pitch attitude on the attitude indicator. Now I’m setting cruise power — 22 inches manifold pressure. Cross-checking the altimeter — on altitude. Heading indicator — on course. Airspeed — 90 knots as expected. Now I’m trimming to reduce control pressures…”

8. Demonstrate full panel technique while explaining the scan pattern being used, identifying primary instruments aloud, and narrating corrections before making them: “I see the altimeter 30 feet low and the VSI showing 50 feet per minute descent. I’ll raise the nose approximately one degree on the attitude indicator to stop the descent. Cross-checking… VSI now showing level… altimeter climbing back to assigned altitude…”

9. Transition to partial panel and verbalize the changed scan pattern: “With the attitude indicator failed, I now use the altimeter and VSI as my primary pitch instruments. The turn coordinator becomes my primary bank instrument. I’m slowing to 80 knots to reduce workload…”

10. Demonstrate each common error deliberately in a controlled manner, then stop and explain: “I’ve just demonstrated improper power control. I added power to increase airspeed but didn’t lower the nose. Notice we’re now climbing — the altimeter shows 150 feet high. Here’s how I’ll coach a student through this correction…”

11. Perform recognition and correction of student errors using realistic scenarios: “I’m role-playing a student now. Notice I’m fixating on the heading indicator trying to stay exactly on course, but I haven’t looked at my altimeter in several seconds. What’s happening? [Pause for DPE observation] This is the slow cross-check error. As the instructor, I would say: ‘You’re doing great with heading, but check your altimeter and tell me what you see.’”

12. Demonstrate instructional recovery from unusual attitudes if they develop from simulated student errors, explaining the process: “As the instructor, I’ve let this develop far enough to make the teaching point. Now I’m taking the controls verbally and demonstrating recovery…”

13. Narrate risk management throughout the flight: “Single-pilot IFR workload is high in helicopters. During straight-and-level flight is when I teach students to accomplish secondary tasks — briefing approaches, copying clearances, reprogramming navigation equipment. I’m demonstrating that now by tuning the number two radio while maintaining aircraft control within standards…”

14. Show smooth, professional transitions between teaching modes — demonstration, coached practice, and evaluation — while maintaining aircraft control throughout.

Post-Flight Instructional Actions:

15. Debrief performance against PTS standards, identifying specific strengths and areas for improvement with concrete examples from the flight.

16. Connect lesson content to upcoming lessons, explaining how straight-and-level flight skills transfer to constant airspeed climbs/descents, turns, and approach procedures.

17. Answer questions thoroughly, demonstrating deep knowledge of instrument flight principles and instructional techniques.

Student Actions

During this lesson evaluation, the DPE acts as the “student” in some scenarios and as the evaluator in others. The expected “student” actions (performed by the DPE during role-play scenarios) include:

Ground Lesson Participation:

1. Responds to the CFII candidate’s questions about instrument roles, identifying which instruments are control vs. performance instruments.

2. Traces scan patterns on instrument diagrams when prompted by the candidate.

3. Asks realistic student questions such as: “Why does the ball move when I change power?” or “How do I know which instrument to believe if they disagree?”

4. Works through common error scenarios presented by the candidate, identifying what went wrong and proposing corrections.

Flight Lesson Participation (as simulated student):

5. Demonstrates slow cross-check when prompted by the candidate’s scenario setup, fixating on a single instrument while allowing other parameters to deviate.

6. Makes improper power control inputs as directed by the candidate’s error demonstration setup, such as adding power without compensating pitch change.

7. Responds to the candidate’s coaching and instructional corrections by implementing suggested scan improvements or control techniques.

8. Asks for clarification when the candidate’s explanation is unclear, helping to evaluate the candidate’s ability to explain concepts differently.

DPE Evaluator Actions:

9. Observes the CFII candidate’s scan pattern and aircraft control throughout all demonstrations.

10. Evaluates the clarity and accuracy of the candidate’s verbal explanations during simultaneous demonstration and instruction.

11. Assesses whether the candidate maintains aircraft control within PTS standards while teaching.

12. Notes the candidate’s ability to recognize, explain, and correct common student errors.

13. Evaluates risk management considerations addressed by the candidate throughout the lesson.

14. Asks follow-up questions to probe depth of knowledge: “What would you do if the student becomes disoriented during partial panel flight?” or “How would you modify this lesson for a student transitioning from fixed-wing?”

Completion Standards

The lesson is complete when the CFII candidate demonstrates instructional competence and flying proficiency meeting all standards specified in PTS Task CFII.VI.A. Specific measurable criteria include:

Instructional Knowledge Standards:

1. Accurately explains the relationship between pitch, bank, and power in straight-and-level flight, identifying which control affects which performance parameter and describing the interdependence between pitch and power changes.

2. Clearly describes both full panel and partial panel procedures, including which instruments become primary when the attitude indicator fails and how scan patterns must adapt.

3. Explains proper coordination of controls and trim, describing helicopter-specific trim limitations and the proper sequence for trim application.

4. Identifies all five common errors specified in the PTS, describes their causes, and prescribes appropriate instructional corrections for each error.

5. Demonstrates knowledge of applicable regulations (14 CFR 91.205) and references (FAA-H-8083-15B) when explaining instrument requirements and procedures.

Instructional Skill Standards:

6. Presents information in a logical, organized sequence using effective communication techniques from the Aviation Instructor’s Handbook.

7. Uses appropriate teaching methods including demonstration, guided practice, and error recognition/correction techniques.

8. Provides clear, actionable feedback during simulated student error scenarios, identifying what went wrong and coaching the specific correction needed.

9. Adapts explanations when initial presentation is unclear, demonstrating flexibility in teaching approach.

10. Maintains professional demeanor and effective communication while simultaneously flying and instructing.

Flight Proficiency Standards (while demonstrating and explaining):

11. Maintains altitude ±100 feet from assigned altitude throughout all demonstrations.

12. Maintains heading ±10° from assigned heading throughout all demonstrations.

13. Maintains airspeed ±10 knots from assigned airspeed throughout all demonstrations.

14. Demonstrates smooth, coordinated control technique with ball centered within one-half ball width during all coordinated flight.

15. Correctly applies trim to reduce control pressures without inducing deviations from assigned parameters.

Error Recognition and Correction Standards:

16. Deliberately demonstrates each specified common error in a controlled manner that illustrates the error without exceeding safe flight parameters.

17. Identifies each common error within 5 seconds of its occurrence during simulated student scenarios.

18. Prescribes and demonstrates the appropriate instructional correction for each error, showing how to coach the student rather than simply taking the controls.

19. Explains the underlying cause of each error, not just the symptom, showing diagnostic teaching ability.

Scenario Integration Standards:

20. Successfully performs full panel straight-and-level flight while simultaneously providing clear instructional narration of all actions and observations.

21. Successfully performs partial panel straight-and-level flight while explaining the changed scan pattern and compensation techniques.

22. Maintains aircraft within PTS parameters during transitions between teaching modes (demonstration, guided practice, error correction).

23. Demonstrates recovery from student-induced deviations while explaining the instructional decisions being made.

Risk Management Standards:

24. Identifies and addresses workload management considerations specific to single-pilot helicopter IFR operations.

25. Explains recognition techniques for spatial disorientation and instrument failures during straight-and-level flight.

26. Demonstrates situational awareness by monitoring for traffic, weather, and systems status while conducting instruction.

The lesson is unsuccessful if the CFII candidate: exceeds PTS altitude, heading, or airspeed tolerances during any demonstration; fails to identify or correct any of the five specified common errors; cannot clearly explain pitch-bank-power relationships; demonstrates unsafe flight operations; or shows inability to teach while maintaining aircraft control. The standard is not perfect flight — it is the ability to teach instrument straight-and-level flight effectively while flying safely and within specified parameters.