checklist - ERAU ETA - Embry-Riddle Aeronautical University

56 PA-28R-201 SOP
- The Vertical Speed Indicator (VSI) should indicate zero, or if an
error is noted, note the error and use as the zero reference point.
Gyroscopic Instruments
- The Attitude Indicator should indicate no more than 5° of
precession in pitch and bank.
- The Turn Coordinator should indicate a bank in the direction of
turn, with the ball (inclinometer) to the outside of the turn. The Off
flag should not appear.
- The Heading Indicator Compass Card must indicate a change in
heading consistent with the direction the aircraft is turning.
Horizontal Situation Indicator (HSI)
To test the HSI:
- Select “Free” mode
- Flip the CW/CCW switch to CW and verify that the HSI turns clockwise
- Flip the CW/CCW switch to CCW and verify that the HSI turns
counter-clock-wise
- Continue the CCW turn past a known heading
- Return the switch to the “Slave” mode (the HSI heading should
automatically correct to the magnetic heading.
Magnetic Compass
- The Magnetic Compass housing should contain full fluid, swing
freely, and indicate known headings.
- The Compass Deviation Card must be in place and readable.
4. AUX VACUUM PUMP ON/VERIFY/OFF
Turn on the AUX VACCUM PUMP and verify that the AUX ON light is
illuminated and an electrical load increase of approximately 15 amps on the
ammeter. Turn off the AUX VACCUM PUMP and verify that the AUX ON
light has extinguished.
5. AVIONICS SET
SET the AVIONICS as follows:
- Marker Beacon: Test the Anunciators and set to the L (low sensitivity)
position.
Revised 07-01-2012 © Embry-Riddle Aeronautical University Rev 06