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Emergency Procedures

These procedures are derived from the efis-editor checklist file. Update the source JSON and regenerate to modify.

Engine Failures

Engine Failure During Takeoff Run

  • Throttle … IDLE
  • Brakes … APPLY
  • Wing Flaps … RETRACT
  • Mixture … IDLE CUT-OFF
  • Ignition Switch … OFF
  • Master Switch … OFF

Engine Failure Immediately After Takeoff

  • Airspeed … 75 KIAS (FLAPS UP) 70 KIAS (flaps DOWN)
  • Landing Area … WITHIN 30º
  • Fuel Selector Valve … OFF
  • Mixture … IDLE CUT-OFF
  • Ignition Switch … OFF
  • Wing Flaps … AS REQUIRED 40º recommended
  • Master Switch … OFF

Engine Failure During Flight

  • Airspeed … 76 KIAS
  • Landing Area … LOCATE
  • Fuel Selector Valve … BOTH
  • Ignition Switch … **BOTH ** or START if propeller is stopped
  • Forced Landing … EXECUTE as described in Emergency Landing Without Engine Power

Forced Landings

Emergency Landing Without Engine Power

  • SQUAWK … 7700
  • Airspeed … 75 KIAS (FLAPS UP) 70 KIAS (flaps DOWN)
  • Fuel Selector Valve … OFF
  • Mixture … IDLE CUT-OFF
  • Ignition Switch … OFF
  • Wing Flaps … AS REQUIRED (40º RECOMMENDED)
  • Master Switch … OFF
  • Radio Call … MAYDAY 121.5 time permitting
  • Doors … UNLATCH PRIOR TO TOUCHDOWN
  • Touchdown … SLIGHTLY TAIL LOW
  • Brakes … **APPLY HEAVILY **

Precautionary Landing With Engine Power

  • Airspeed … 70 KIAS
  • Wing Flaps … 20º
  • Selected Field … FLY OVER
  • Terrain And Obstructions … NOTE
  • Wing Flaps … RETRACT at safe altitude and airspeed
  • Electrical Switches … OFF
  • Wing Flaps (On Final) … 40º
  • Airspeed … 70 KIAS
  • Avionics Power and Master Switches … OFF
  • Doors … UNLATCH PRIOR TO TOUCHDOWN
  • Touchdown … SLIGHTLY TAIL LOW
  • Ignition Switch … OFF
  • Brakes … APPLY HEAVILY

Ditching

  • Transmit Mayday … 121.5 MHZ, GIVING LOCATION
  • SQUAWK … 7700
  • Heavy Objects … SECURE OR JETTISON
  • Flaps … 20º - 40º
  • Power … SET ESTABLISH 300 FT/MIN DESCENT at 60 KIAS High Winds, Heavy Seas – INTO THE WIND. Light Winds, Heavy Swells – PARALLEL TO SWELLS If no power is available, approach at 70 KIAS with flaps up or at 65 KIAS with 10º flaps.
  • Cabin Doors … UNLATCH
  • Touchdown … LEVEL ATTITUDE AT ESTABLISHED DESCENT
  • Face … CUSHION AT TOUCHDOWN WITH FOLDED COAT
  • Airplane … EVACUATE
  • Life Vests and Raft … INFLATE

Landing With A Flat Main Tire

  • Approach … NORMAL
  • Wing Flaps … FULL DOWN
  • Touchdown … GOOD TIRE FIRST hold airplane off flat tire as long as possible with aileron control

Landing Without Elevator Control

  • Airspeed … 80 KIAS
  • Elevator Trim … LEVEL FLIGHT
  • Elevator Trim … DO NOT CHANGE
  • Glide Angle … CONTROL by adjusting power exclusively
  • Elevator Trim … FULL NOSE UP
  • Power … ADJUST so airplane will rotate to horizontal attitude for touchdown
  • Throttle … CLOSE at touchdown

Fires

Fire During Start On Ground

  • Cranking … CONTINUE
  • Power … 1700 RPM for a few minutes
  • Engine … SHUTDOWN
  • Throttle … FULL OPEN
  • Mixture … IDLE CUT-OFF
  • Cranking … CONTINUE 2-3 min
  • Fire Extinguisher … OBTAIN
  • Fuel Selector Valve … OFF
  • Master Switch … OFF
  • Ignition Switch … OFF
  • Fire … EXTINGUISH
  • Fire Damage … INSPECT

Engine Fire In Flight

  • Fuel Selector Valve … OFF
  • Mixture … IDLE CUT-OFF
  • Master Switch … OFF
  • Cabin Heat and Air … OFF except overhead vents
  • Airspeed … 100 KIAS If fire is not extinguished, increase glide speed to find an airspeed which will provide an incombustible mixture If fire goes out:
  • Glide speed … 76 KIAS
  • Landing Area … LOCATE
  • Forced Landing … EXECUTE as described in Emergency Landing Without Engine Power

Electrical Fire In Flight

  • Master Switch … OFF

  • Avionics Power Switch … OFF

  • All Other Switches … OFF Except Ignition Switch

  • Vents/Cabin Air/Heat … CLOSED

  • Fire Extinguisher … ACTIVATE After discharging an extinguisher within a closed cabin, ventilate the cabin. and electrical power is necessary for continuance of flight:

  • Master Switch … ON

    Note: monitor ammeter

  • Circuit Breakers … CHECK for faulty circuit, do not reset

  • Radio Switches … OFF

  • Avionics Power Switch … ON

  • Radio/Electrical Switches … ON one at a time, with delay after each until short circuit is localized

  • Vents/Cabin Air/Heat … OPEN when it is ascertained that fire is completely extinguished

Cabin Fire

  • Master Switch … OFF
  • Vents/Cabin Air/Heat … CLOSED
  • Fire Extinguisher … ACTIVATE After discharging an extinguisher within a closed cabin, ventilate the cabin
  • Land … AS SOON AS POSSIBLE
  • Airplane … INSPECT FOR DAMAGE

Wing Fire

  • Navigation Light Switch … OFF
  • Strobe Light Switch … OFF
  • Pitot Heat Switch … OFF Perform a sideslip to keep the flames away from the fuel tank and cabin, and land as soon as possible using flaps only as required for final approach and touchdown.

Icing

Inadvertent Icing Encounter

  • Pitot Heat Switch … ON
  • Icing Conditions … EXIT Turn back or change altitude to obtain an outside air temperature that is less conducive to icing
  • Cabin Heat … ON
  • Defroster Control … MAX AIRFLOW
  • Engine Speed … INCREASE to minimize build up on propeller blades
  • Land … NEAREST AIRPORT With an extremely rapid ice build-up, select a suitable “ off airport“ landing site With an ice accumulation of 1/4 inch or more on the wing leading edges, be prepared for significantly higher stall speed
  • Wing Flaps … LEAVE RETRACTED
  • Windshield Ice … REMOVE Open left window and if practical scrape ice from a portion of the windshield for visibility in the landing approach
  • Forward Slip … PERFORM if necessary during landing approach, for improved visibility
  • Approach … 80 TO 90 KIAS depending upon the amount of ice accumulation
  • Land … AT LEVEL ATTITUDE

Static Source Blockage

  • Alternate Static Source Valve … PULL ON
  • Airspeed … REFERENCE Consult appropriate table in Section 5
  • Cruise … 50 FT HIGHER THAN NORMAL
  • Approach … 30 FT HIGHER THAN NORMAL

Electrical / Oil Malfunctions

Ammeter Shows Excessive Rate Of Charge

  • Alternator … OFF
  • Non-Essential Electrical Equipment … OFF
  • Flight … TERMINATE as soon as practical

Ammeter Shows Discharge

  • Avionics Power Switch … OFF
  • Master Switch … ALT OFF (LEFT)
  • Check ALT Breakers … RESET ONCE
  • Master Switch … ALT ON attempt only one reset
  • Master Switch … ALT OFF
  • Avionics Power Switch … ON
  • Electrical Equipment … MINIMIZE
  • Flight … TERMINATE as soon as practical

Low-Voltage Light Illuminates During Flight

Illumination of the low-voltage light may occur during low RPM conditions with an electrical load on the system such as during a low RPM taxi. Under these conditions, the light will go out at higher RPM. The master switch need not be recycled since an over-voltage condition has not occurred to deactivate the alternator system.
  • Avionics Power Switch … OFF
  • Master Switch … OFF (BOTH SIDES)
  • Master Switch … ON
  • Low-Voltage Light … CHECK OFF
  • Avionics Power Switch … ON
  • Alternator … OFF
  • Non-Essential Radio and Electrical Equipment … OFF
  • Flight … TERMINATE as soon as practical

High Oil Temperature

  • Mixture … ENRICH
  • If Climbing … STOP CLIMB
  • RPM … DECREASE
  • Airspeed … INCREASE

Emergency Operation In Clouds

Executing A 180º Turn In Clouds

  • Compass Heading … NOTE
  • Time … NOTE
  • Standard Rate Turn … INITIATE maintain for 60 seconds
  • Level Flight … MAINTAIN
  • Turn Accuracy … CHECK compass heading should be the reciprocal of the original heading
  • Heading … ADJUST AS NECESSARY Using rudder
  • Altitude and Airspeed … MAINTAIN

Emergency Descent Through Clouds

  • Heading … EAST OR WEST to minimize compass card swings due to changing bank angles In addition, keep hands off the control wheel and steer a straight course with rudder control by monitoring the turn coordinator. Occasionally check the compass heading and make minor corrections to hold an approximate course.
  • Mixture … FULL RICH
  • Power … REDUCE for 500 to 800 FPM descent
  • Elevator and Rudder Trim … ADJUST for stabilized descent at 80 KIAS
  • Turn Coordinator … MONITOR Make corrections by rudder alone
  • Normal Cruising Flight … RESUME

Recovery From A Spiral Dive

  • Throttle … CLOSE
  • Turn … STOP by using coordinated aileron and rudder control
  • Elevator … APPLY BACK PRESSURE cautiously to slowly reduce the indicated airspeed to 80 KIAS
  • Elevator Trim … ADJUST to maintain an 86 KIAS glide Keep hands off the control wheel, using rudder control to hold straight heading. Use rudder trim to relieve unbalanced rudder force, if present.
  • Engine … CLEAR OCCASIONALLY
  • Normal Cruising Flight … RESUME
  • Throttle … IDLE
  • Ailerons … NEUTRAL
  • Rudder … FULL OPPOSITE DIRECTION OF ROTATION
  • Elevator Control … FORWARD Briskly to break stall
  • Control Inputs … HOLD Until Rotation Stops
  • Normal Flight … RESUME