PIPER AIRCRAFT CORPORATION
SECTION 9
PA-28-236, DAKOTA
SUPPLEMENT 11
ISSUED: OCTOBER 14, 1986
REPORT: VB-910
9-83
a. Autopilot is disconnected by:
(1.) Pressing AP OFF bar on pilot’s trim switch.
(2.) Pressing the AP ON-OFF switch on the programmer OFF.
(3.) Depressing master disconnect switch.
b. Autotrim is disconnected by:
(1.) Any action in step a. above, or
(2.) Pushing the trim master OFF.
After failed system has been identified, leave system circuit
breaker open and do not operate until the system failure has been
identified and corrected.
c. Altitude Loss During Malfunction:
(1.) An autopilot malfunction during climb, cruise or descent
with a 3 second delay in recovery initiation could result in
as much as 60° of bank and 250 foot altitude loss. Maximum
altitude loss was recorded at 180 KIAS during descent.
(2.) An autopilot malfunction during an approach with a 1
second delay in recovery initiation could result in as much
as 22° bank and 100 foot altitude loss. Maximum altitude
loss measured with 2 notches flaps extended, gear down
and operating either coupled or uncoupled.
2. COMPASS SYSTEM
a. Emergency Operation with Optional NSD 360A (HSI) Slaved and/
or Non-Slaved:
1. Appearance of HDG flag:
(a.) Check air supply gauge (vacuum or pressure) for
adequate air supply (4.8 in. Hg. min.).
(b.) Check compass circuit breaker.
(c.) Observe display for proper operation.
2. To disable heading card - pull circuit breaker and use
magnetic compass for directional data.
NOTE
If heading card is not operational, autopilot
should not be used.
Summary of Contents for PA-28-236 DAKOTA
Page 1: ......
Page 4: ......
Page 5: ...REPORT VB 910 ISSUED JUNE 1 1978 b...
Page 25: ...REPORT VB 910 ISSUED JUNE 1 1978 viii this page intentionally left blank...
Page 27: ...REPORT VB 910 ISSUED JUNE 1 1978 1 ii BLANK PAGE...
Page 41: ...REPORT VB 910 ISSUED JUNE 1 1978 2 ii BLANK PAGE...
Page 69: ...THIS PAGE INTENTIONALLY LEFT BLANK...
Page 99: ...THIS PAGE INTENTIONALLY LEFT BLANK...
Page 101: ...REPORT VB 910 ISSUED JUNE 1 1978 5 ii BLANK PAGE...
Page 197: ...REPORT VB 910 ISSUED JUNE 1 1978 7 ii THIS PAGE INTENTIONALLY LEFT BLANK...
Page 360: ...REPORT VB 910 ISSUED JUNE 1 1978 10 ii THIS PAGE INTENTIONALLY LEFT BLANK...
Page 363: ......
Page 364: ......
Page 365: ......
Page 366: ......
Page 367: ......