SECTION 9
PIPER AIRCRAFT CORPORATION
SUPPLEMENTS
PA-28-236, DAKOTA
REPORT: VB-910
ISSUED: AUGUST 1, 1980
9-22
(b) AUTOPILOTWITH STANDARD D.G.
(l) Engage autopilot.
(2) Control wheel movement should correspond to HDG command
input.
(3) Grasp control wheel and override roll servo actuator to assure
override capability.
(4) With HDG bug centered select NAV or APPR mode and note
control wheel movement toward VOR needle offset.
(5) Select REV mode and note control wheel movement opposite
VOR needle offset.
(6) Disengage autopilot.
(7) Check aileron controls through full travel to assure complete
autopilot disengagement.
(c) AUTOPILOT WITH COMPASS SYSTEM (NSD 360A) (For other
compass systems, refer to appropriate manufacturer’s instructions)
(1) Check slaving switch in slave or slave 1 or 2 position, as
appropriate. (Slaving systems with R.M.I. output provide only
slave · and free gyro positions.)
(2) Rotate card to center slaving meter - check HDG displayed with
magnetic compass HDG.
(3) Perform standard VOR receiver check.
(4) Perform Steps (1) - (7) in Section 4 item (b) except in Steps (4)
and (5) substitute course arrow for HDG bug when checking
control wheel movement in relation to L/ R needle. HDG bug is
inoperative with NAV, APPR, or REV mode selected.
(d) IN-FLIGHT PROCEDURE
(1) Trim aircraft for existing flight condition (all axes).
(2) Rotate heading bug to desired heading. Engage autopilot.
(3) During maneuvering flight- control aircraft through use of the
HDG bug. (HDG mode)
(4) For navigation operations select modes as required by the
operation being conducted and in accordance with the mode
description provided in the Century 21 Operator’s Manual.
SECTION 5- PERFORMANCE
No changes to the basic performance provided by Section 5 of this
Pilot’s Operating Handbook are necessary for this supplement.
Summary of Contents for PA-28-236 DAKOTA
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