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Turns – Unusual Attitude Recovery Protection – Autopilot Usage

in Airplane Basic Flight Maneuvers - Electronic Flight Display

The autopilot is equipped with inputs from a turn coordinator installed behind the MFD screen. This turn coordinator is installed solely for the use of the autopilot to facilitate the roll mode, which is simply a wing leveler. This protection is always available, barring a failure of the turn coordinator (to aid the pilot if the aircraft attains an unusual attitude).


NOTE: The pilot is not able to gain access to the turn coordinator. This instrument is installed behind the MFD panel. [Figure 7-75]

Figure 7-75. This autopilot requires roll information from a turn coordinator.

Figure 7-75. This autopilot requires roll information from a turn coordinator.

Most EFD equipped aircraft are coming from the factory with autopilots installed. However, the purchaser of the aircraft can specify if an autopilot is to be installed. Extreme caution should be utilized when flying an EFD equipped aircraft without an autopilot in IMC with an AHRS and ADC failure.

The autopilot should be utilized to reduce workload, which affords the pilot more time to monitor the flight. Utilization of the autopilot also decreases the chances of entry into an unusual attitude.

Flying an EFD-equipped aircraft without the use of an autopilot has been shown to increase workload and decrease situational awareness for pilots first learning to flying the new system.

 

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