MOONEY
M20TN - MODEL TYPE-S
SECTION III
EMERGENCY PROCEDURES
3 -- 19
AIRPLANE FLIGHT MANUAL
ORIGINAL ISSUE -- 04-02-2008
The following systems on the non-essential bus will be unpowered:
S
Com 2
S
Nav 2 / GPS 2
S
All lighting on the Overhead Panel
S
Fuel Pumps
S
Autopilot
S
Electric Trim
S
Landing Gear Motor and Indicators
S
Defrost Blower
S
WX Stormscope
S
ADF/DME/DATA LINK
S
TRAFFIC ALERT
S
SKYWATCH
5. TERMINATE FLIGHT AS SOON AS PRACTICABLE.
6.
On approach, the pilot may engage the “BAT” circuit breaker to reestablish power to all sys-
tems if necessary.
7.
If using battery power only and the primary battery has been depleted (minimum of 18 VDC),
the pilot may select the alternate battery using the main battery selection switch. There will
be no change in available equipment when changing battery sources. All equipment pow-
ered previously will remain powered
AVIONICS EMERGENCIES
PFD OR MFD DISPLAY FAILURE
1.
DISPLAY BACKUP button on audio panel
PUSH
. . . . .
AHRS FAILURE
NOTE:
Failure of the Attitude and Heading Reference System (AHRS) is indicated by a
removal of the sky/ground presentation and a red X and a yellow “AHRS FAIL-
URE” shown on the PFD. The digital heading presentation will be replaced with a
yellow “HDG” and the compass rose digits will be removed. The course pointer
will indicate straight up and course may be set using the digital window.
1.
Use Standby Attitude Indicator and Magnetic compass.
2.
Course Set using digital window
3. LAND AS SOON AS PRACTICABLE.
AIR DATA COMPUTER (ADC) FAILURE
NOTE:
Complete loss of the Air Data Computer is indicated by a red X and yellow text
over the airspeed, altimeter, vertical speed, TAS and OAT displays. Some FMS
functions, such as true airspeed and wind calculations, will also be lost.
1.
Use Standby Airspeed Indicator and Altimeter
2. LAND AS SOON AS PRACTICABLE
at a suitable airport