Instrument Flight - Beechcraft C-12C Operator And Technical Reference Manual

TM 1-1510-218-10
8. VENT and AFT VENT BLOWER switch –
AUTO.
9. BATT condition – Check. Battery charge
light should be extinguished.
illuminated, note loadmeter reading, turn the
battery switch off momentarily, and turn the
battery switch ON and wait approximately
90 seconds. Turn the battery switch off and
note loadmeter reading. Battery condition is
unsatisfactory if the battery charge light
remains illuminated and charge current fails
to decrease between checks.
10. ITT/TGT – Check. Must be 750 or below for
1 minute prior to shutdown.
CAUTION
Monitor ITT/TGT during shutdown.
sustained combustion
proceed immediately
procedure, Paragraph 8A-24.
11. CONDITION levers – FUEL CUTOFF.
12. PROP levers – FEATHER.
WARNING
Do not turn off exterior lights until
propeller rotation has stopped.
13. AVIONICS MASTER POWER – OFF.
14. MASTER PANEL LIGHTS – Off.
15. EXTERIOR LIGHTS – OFF.
16. MASTER SWITCH – Off.
17. Key lock switch – OFF.
18. Oxygen system – OFF.
8A-47. GENERAL.
This aircraft is qualified for operation in
instrument flight meteorological conditions.
handling, stability characteristics, and range are the
same during instrument flight conditions as when
under visual flight conditions.
8A-49. STALLS.
A pre-stall warning in the form of very light
buffeting can be felt when a stall is approached. A
8A-20
If it is
If
is observed,
to Abort Start
Section III. INSTRUMENT FLIGHT
Flight
Section IV. FLIGHT CHARACTERISTIC
19. Chocks – As required.
20. Parking brake – As required.
21. Control locks – As required.
8A-46. BEFORE LEAVING AIRCRAFT.
1. Wheel chocks – As required.
Brakes should be released after chocks are
in place, ramp conditions permitting.
2. Parking brake – As required.
3. Flight controls – As required.
4. OVERHEAD FLOOD LIGHT – OFF.
5. STANDBY PUMPS – Off.
6. MAP lights – OFF.
7. Windows – As required.
8. Emergency exit lock – As required.
9. Galley power switches – OFF.
10. Aft cabin light – OFF.
11. Door light – OFF.
CAUTION
If strong winds are anticipated while the
aircraft is unattended, the propellers shall
be secured to prevent windmilling with
zero engine oil pressure.
12. Walk-around inspection – Complete.
13. Aircraft forms – Complete.
14. Aircraft secured – Check.
8A-48. INSTRUMENT FLIGHT PROCEDURES.
Refer to FM 1-240, FM 1-230, FLIP, AR 95-1, FC
1-218, FAR 91 (subparts A and B), applicable foreign
government regulations, and procedures described in
this manual. Accomplish all instrument flight tasks in
accordance with the appropriate ATM.
mechanical warning is also provided by a warning
horn. The warning horn starts to alarm approximately
5 to 10 knots above stall speed with the aircraft in any
configuration. If correct stall recovery technique is
NOTE