Engine Roughness In Flight; Engine Fire During Start; Fire In Flight; Electrical Fire - Piper PA-24-250 COMANCHE Pilot Operating Handbook

AircraR Public~lions
Pipcr Comanche 250 (Early Model)
Section
-
3
Emergency Procedures
ENGINE ROUGHNESS IN FLIGHT
..............................................................................................................
Carburetor Heat Full On
If roughness continues after one minute: Discontinue application of carburetor heat.
In the interim:
Mixture
.............................................................................
Adjust for Maximum Smoothness
...................................................................................
Electric Fuel Pump ......................
. .
On
Fuel Selector Switch Tanks
Engine Gauges ................................................ Check for Indication of Cause of Power Loss
Magnetos
........................................................................
Check Left, Then Right, Then Both
If operation is satisfactory on one magneto: Continue at reduced power and standard mixture to
the nearest airport. Prepare for a Power Off Landing. (Page 3-5)
ENGINE FIRE DURING START
Starter ....................
. .
.......................................................................................... Crank Engine
In the interim, while continuing cranking:
Electric Fuel Pump ...............................
. .
........................................................................ Off
...................
Fuel Selector Off
If Fire Continues .............................................................. Extinguish With Best Available Means
**
NOTE * * Use radio if necessary to call for fire-fighting assistance,
FIRE I N FLIGHT
Determine Source of Fire ...................................
. . . .
................................. Electrical or Engine
1.) Electrical Fire: (Or Smoke in Cabin)
Master Switch ..............................................................................................................
Off
.
.
Generator C ~ r c u ~ t Breaker
..............................................................................................
Pull
Vents ...................
. .
...............................................................................................
Open
.............................................................................
Door (As Required)
Open as an Exhaust
Cabin Heat ...................................................................................................................
Off
Land as soon as possible without flaps. (VMp
=
95 mph or 83 kt) Initiate Manual Gear
Extension procedure @Part 3. (Page 3-8)
2.) Engine Fire:
...................................................................................................
Throttle Full Aft
-
Closed
....................................................................................................
Mixture Idle Cut-Off
Fuel Selector .................................................................................................................
Off
..............................................................................................
Electric Fuel Pump Check Off
................... .........................................
Heater, Defroster and Cabin Vent Controls
. .
Off
Initiate Power-Off Landing procedure. (Page 3-5)
Copyright: 1993
Page 3-3