Piper ARCHER III Pilot Operating Handbook page 337

PA-28-181, ARCHER
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SECTION 4 - NORMAL PROCEDURES
4.Se BEFORE T AXllNG
A VION MASTER Switch ....... , ... , ......................................................... ON
Ao A Indicator. ......................... , ............................... VERIFY SELF TEST
AoA Indication ............................................. lights illuminated (not blank)
4.Si BEFORE TAKEOFF
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AoA Reference Marker ..................................................... SET (if desired)
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ISSUED: December 22, 2017
REVISED: March 27, 2020
m
If AoA indications are suspected to not be accurate,
discontinue use of the AoA Indicator.
If the AoA Indicator screen turns off after
the power-on self-test, check that the AOA
INDICATOR circuit breaker is pushed in.
NOTE
NOTE
SECTION9
SUPPLEMENT 9
REPORT: VB-2749
3 of 8, 9-59