Objective:
To develop the student's cross reference of the aircrafts instruments and recognize unusual flight attitudes.
Elements:
- Explain which instruments are used for pitch, bank, and power control, and how those instruments are used to maintain altitude, heading, and airspeed.
- Demonstrate transition to desired pitch attitude and power setting using proper instrument interpretation and cross-check while maintaining coordinated flight.
- Maintain altitude, ±200 feet (60 meters); maintain a standard rate turns and roll out on the assigned headings, ±20°; and maintain airspeed, ±10 knots.
- Use proper trim technique.
- Describe conditions and situations that may result in unusual flight attitudes.
- The two basic unusual flight attitudes - nose-high (climbing turn) and nose-low (diving spiral).
- Recognize unusual flight attitudes solely by reference to instruments; recover promptly to a stabilized level flight attitude using proper instrument cross-check and interpretation and smooth, coordinated control application in the correct sequence.
- Give reasons why the controls should be coordinated during unusual flight attitude recoveries.
Common Errors:
- "Fixation," "Omission," and "Emphasis" errors during instrument cross-check.
- Improper instrument interpretation.
- Improper control applications.
- Failure to establish proper pitch, bank, and power adjustments during altitude, bank, and airspeed corrections.
- Improper entry or rollout technique.
- Faulty trim technique.
- Failure to recognize an unusual flight attitude.
- Consequences of attempting to recover from an unusual flight attitude by "feel" rather than by instrument indications.
- Inappropriate control applications during recovery.
- Failure to recognize from instrument indications when the airplane is passing through a level flight attitude.
References:
- FAA Private and Commercial Pilot Practical Test Standards
- Instrument Flying Handbook (chapter 5)
- Airplane Flying Handbook, pp 3-3, 16-12
Notes:
Inadvertant flight into IMC is an emergency.
Do 180 degree turn.
Worry about consequences later.
ATC can help, but you have to get yourself out of IMC.
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