Piper SARATOGA II HP PA-32R-301 Pilot Operating Handbook page 433

SECTION9
SUPPLEMENT 23 PA-32R-301, SARATOGA II HP
•
SECTION 3 ·EMERGENCY PROCEDURES (continued)
Failure of Alterpator • General
WARNING
Compass error may exceed 10 degrees with alternator
inoperative.
CAUTION
Any power interruption will result in loss of attitude
information from the PFD until the unit can be reinstated on
the ground.
NOTE
Consider using the autopilot to reduce workload. Using the
GPSS mode can assist in maintaining a flight-planned route.
NOTE
LO BUS VOLTAGE annunciator will be illuminated.
Anticipate complete electrical failure. Duration of battery
power available will be dependent on electrical load and
battery condition prior to failure.
NOTE
lf both the primary and standby alternator are not functioning
and the battery is depleted, the landing gear must be lowered
using the emergency extension procedure. The gear position
lights will be inoperative. The flaps will also be inoperative
and a flaps up landing will be required.
Reduce electrical loads by switching OFF or pulling circuit breakers for all
non-essential equipment to include the following:
• Reduce PFD and MFD brightness as part of overall electrical system
management
• Pitot heat (unless required)
• Airconditioner and ventilation fan (if installed)
• Landing light (use sparingly)
• Strobe lights
• Recognition lights (if equipped)
• Cabin/flood lights
• No. 2 nav/com/GPS
• Autopilot
• Electric trim
• DME (unless required for published approach)
• Stormscope (if equipped)
• Skywatch (if equipped)
Land as soon as practical.
REPORT: VB-1669
9-190,
14 of34
ISSUED: JUNE 30, 1997
REVISED: OCTOBER 17,2005