Before Takeoff Check

Objective

Upon completion of this lesson, the CFI candidate will demonstrate the ability to teach and evaluate a student pilot’s performance of the before takeoff check procedures in accordance with ACS task HI.VI.D. The candidate will explain the purpose of each checklist item, identify associated risk factors, and demonstrate proper technique while maintaining divided attention and ensuring all systems are configured for safe takeoff.

Content

Purpose of Before Takeoff Checklist Items (HI.VI.D.K1)

The before takeoff check serves as the final verification that your helicopter is configured and ready for safe flight operations. Think of it as your last chance to catch anything that could turn a routine flight into an emergency.

Reasons for Checking Each Item:

Each item on the before takeoff checklist exists for a specific safety reason:

• Engine parameters: Temperature and pressure readings confirm the engine is operating within manufacturer limits and ready for the increased power demands of takeoff
• Flight controls: Full and free movement ensures all control linkages are functioning and not restricted by maintenance safety devices or foreign objects
• Instruments: Proper indications verify navigation, engine monitoring, and flight instruments are operational for the intended flight
• Radios and transponder: Communication and surveillance equipment must function for safe operations in controlled airspace
• Doors and windows: Secure latching prevents in-flight opening that could affect control or create safety hazards

Detecting Malfunctions:

The systematic checklist approach helps identify issues that might be missed during less structured checks:

• Trending parameters: Engine temperatures or pressures that are within limits but higher than normal may indicate developing problems
• Control binding: Subtle restrictions in control movement that weren’t apparent during preflight inspection
• Instrument discrepancies: Cross-checking multiple instruments can reveal failures in individual systems
• Unusual sounds or vibrations: With the engine stabilized, you can better detect abnormal operating characteristics

Manufacturer Configuration:

Following the manufacturer’s checklist ensures:

• All systems are positioned per design specifications
• Critical items aren’t overlooked due to variations between aircraft models
• Proper sequence is followed when system interactions are important
• Liability protection through compliance with approved procedures

Risk Management Considerations

Division of Attention (HI.VI.D.R1):

Managing attention during before takeoff checks requires deliberate technique:

• Use the “eyes inside, ears outside” principle - conduct checklist items methodically while maintaining awareness of surrounding activity
• Pause checklist activities when ground personnel or other aircraft are nearby
• Position the helicopter to maximize visibility of traffic patterns and approach paths
• Develop a consistent scan pattern that alternates between checklist items and external surveillance

ATC Communications (HI.VI.D.R2):

Unexpected or unclear clearances create workload spikes during a critical phase:

• Complete time-critical checklist items before requesting clearance to minimize interruptions
• If an unclear clearance is received, immediately request clarification rather than proceeding with uncertainty
• Have airport diagrams and approach plates readily available to quickly reference unfamiliar instructions
• Use standard phraseology in all transmissions to reduce communication errors

Downwash Hazards (HI.VI.D.R3):

Rotor downwash affects both your aircraft and the surrounding environment:

• Consider wind direction when positioning for run-up - crosswinds can redirect downwash unpredictably
• Be aware of loose objects, personnel, and other aircraft that could be affected by your rotor wash
• In confined areas, plan your departure path to minimize downwash exposure to people and property
• Recognize that increased collective during checks will intensify downwash effects

Teaching Techniques

When instructing before takeoff procedures:

1. Demonstrate the complete process first, explaining each action and its purpose
2. Use the “flow then check” method - establish a logical flow pattern, then verify with the checklist
3. Emphasize the “why” behind each item rather than rote memorization
4. Practice emergency scenarios to reinforce the importance of proper system configuration
5. Integrate airspace and weather considerations to make the lesson realistic and comprehensive

Schedule

Equipment

• Current helicopter flight manual and approved checklist
• FAA-H-8083-4 Helicopter Instructor’s Handbook
• Sample before takeoff checklists for multiple helicopter types
• Airport diagram and relevant approach plates
• Whiteboard or flip chart for flow pattern illustration
• Timer or stopwatch for checklist timing practice
• Audio recording device (optional) for communication practice

Instructor Actions

The CFI candidate will:

1. Explain the systematic approach to before takeoff checks, emphasizing the logical flow from engine parameters through flight controls to communication equipment

2. Demonstrate proper checklist usage by showing both the flow pattern and checklist verification method, explaining how this reduces the chance of missed items

3. Perform a complete before takeoff check while providing continuous explanation of each item’s purpose and acceptable parameters (HI.VI.D.S1)

4. Review relevant performance calculations and emergency procedures specific to the current conditions and helicopter configuration (HI.VI.D.S2)

5. Point out critical engine parameters and explain normal versus abnormal indications, demonstrating how to verify temperatures and pressures are suitable for takeoff (HI.VI.D.S3)

6. Show proper rotor RPM management during the check sequence, explaining how to maintain Nr within limits while accomplishing required tasks (HI.VI.D.S4)

7. Demonstrate attention division techniques by maintaining awareness of traffic and ground activity while conducting checklist items (HI.VI.D.S5)

8. Create realistic scenarios involving ATC communications or environmental hazards to practice risk management decision-making

9. Provide immediate feedback on student performance and offer specific correction techniques for common errors

Student Actions

The student will:

1. Listen actively and ask clarifying questions about checklist item purposes and acceptable parameters

2. Observe the demonstration of proper checklist technique and attention division methods

3. Practice the complete sequence under instructor guidance, verbalizing each action and its significance

4. Respond appropriately to simulated ATC communications and environmental challenges

5. Self-critique their performance and identify areas needing improvement

6. Demonstrate understanding by explaining how they would teach this procedure to their future students

Completion Standards

The CFI candidate successfully completes this lesson when they demonstrate the ability to teach and evaluate before takeoff check procedures per ACS standard HI.VI.D, specifically:

• Explains the purpose of each before takeoff checklist item and demonstrates ability to teach malfunction detection and proper aircraft configuration (addresses HI.VI.D.K1)

• Identifies and discusses risk management strategies for attention division, ATC communication challenges, and downwash hazards (addresses HI.VI.D.R1, R2, R3)

• Demonstrates and teaches completion of appropriate checklists in a logical, systematic manner (meets HI.VI.D.S1)

• Reviews and explains takeoff performance calculations and relevant emergency procedures for current conditions (meets HI.VI.D.S2)

• Verifies and teaches verification of engine temperatures and pressures within acceptable limits for takeoff (meets HI.VI.D.S3)

• Maintains and teaches maintenance of proper Nr and engine RPM throughout the check sequence (meets HI.VI.D.S4)

• Demonstrates and teaches effective attention division between inside checklist items and outside surveillance (meets HI.VI.D.S5)

• Provides clear, constructive feedback on student performance with specific techniques for improvement

• Shows instructional competency through organized presentation, appropriate use of teaching aids, and effective communication of safety-critical concepts