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SOCATA TB 20 Trinidad — Emergency Procedures

SOCATA TB 20 Trinidad · standard normal

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Aircraft Pilot

Engine Failure on Takeoff — Before or At Liftoff engine_failure_before_rotation

ThrottleMEMORYCLOSE IMMEDIATELY
Brakes — apply firmly to stop within remaining runway lengthMEMORYAPPLIED FIRMLY
MixtureMEMORYIDLE CUTOFF
Ignition switchMEMORYOFF
Master switchMEMORYOFF
Fuel selectorOFF
CAUTIONDo not attempt a turn back to the runway at low altitude. If airborne with insufficient runway remaining, land ahead or on the best available surface within a narrow arc of the departure heading.
Occupants — advise to brace for impactBRACE POSITION

Engine Failure in Flight engine_failure_in_flight

Airspeed — pitch for best glide without delayMEMORYBEST GLIDE SPEED PER POH
Landing area — identify best available field or surface within glide rangeMEMORYSELECTED; COMMIT TO IT
Fuel selector — switch to opposite tankOPPOSITE TANK SELECTED
MixtureRICH
Ignition switchBOTH — confirm ON
Electric fuel pumpON
Throttle — advance if restart is being attemptedAS REQUIRED FOR RESTART ATTEMPT
If restart fails — secure engine and follow Forced Landing checklistPROCEED TO FORCED LANDING

Engine Fire in Flight engine_fire_in_flight

MixtureMEMORYIDLE CUTOFF — starve fire of fuel
Fuel selectorMEMORYOFF
ThrottleMEMORYFULL OPEN — clear residual fuel from induction system
Electric fuel pumpOFF
Master switchOFF — remove electrical ignition source
Airspeed — increase if fire persists to attempt to blow out flames; do not exceed VneINCREASE AS PRACTICABLE PER POH
If fire extinguishes — execute immediate precautionary landing; do not attempt restartPRECAUTIONARY LANDING; NO RESTART
If fire continues — execute forced landing with urgency; follow Forced Landing checklistFORCED LANDING — EXPEDITE

Engine Fire on Ground engine_fire_ground

MixtureMEMORYIDLE CUTOFF
Ignition switchMEMORYOFF
Fuel selectorMEMORYOFF
Master switchOFF
Occupants — evacuate immediately via car-style doors; move upwind of the aircraftALL OCCUPANTS CLEAR; UPWIND
Fire extinguisher — direct at base of fire through cowl openings if accessible without riskAPPLIED IF SAFE
Emergency services — call 911 / ATC / airport fireNOTIFIED

Electrical Fire / Smoke in Cockpit electrical_fire

Master switchMEMORYOFF — isolate all electrical power
Avionics master switchMEMORYOFF
Vents and fresh air — open to ventilate cabin; do not fan smouldering materialsVENTILATED
If smoke and fire subside — identify and isolate the faulty circuit before restoring powerFAULTY CIRCUIT IDENTIFIED AND ISOLATED
Essential avionics — restore selectively and one at a time; monitor for recurrenceRESTORED AS NEEDED FOR SAFE FLIGHT
Land as soon as practicableDIVERT TO NEAREST SUITABLE AIRPORT

Loss of Oil Pressure oil_system_malfunction

Oil pressure gauge — confirm reading and crosscheck oil temperature for trendMEMORYCONFIRMED LOW; OIL TEMP NOTED
Power — reduce to minimum required to maintain safe flightMEMORYPOWER REDUCED
Land as soon as possible — do not operate with low or zero oil pressure; total engine failure may followMEMORYDIVERT IMMEDIATELY TO NEAREST AIRPORT
Suitable landing area — identify in case of sudden engine seizureLANDING AREA IN SIGHT
ATC — declare emergency and advise intentionsATC NOTIFIED; INTENTIONS STATED
If engine seizes — follow Engine Failure in Flight checklistFORCED LANDING PROCEDURES

Induction System Icing (Alternate Air) icing

CAUTIONThe IO-540 is fuel-injected — carburetor ice does not occur. However, impact icing of the primary air inlet is possible in visible moisture. The TB 20 is equipped with an alternate air source; activation bypasses the primary induction inlet.
Symptoms — rough running, loss of power, or unusual RPM/MAP fluctuation in IMC or visible moistureNOTED
Alternate air control — select ALTERNATE AIR (or ALT AIR OPEN per aircraft labelling)MEMORYALTERNATE AIR SELECTED
Engine performance — monitor for recovery; expect slight power reduction on alternate airPOWER RESTORED OR STABILISED
Altitude and routing — avoid continued flight in icing conditions if practicalALTITUDE OR ROUTE ADJUSTED
If power does not recover — treat as engine emergency and prepare for precautionary landingPRECAUTIONARY LANDING INITIATED

Gear Unsafe / Gear Will Not Indicate Down landing_gear_malfunction

Gear handle — confirm in DOWN positionDOWN CONFIRMED
Airspeed — confirm within gear operating speed rangeWITHIN Vlo PER POH
Circuit breakers — check gear-related breakers for tripped conditionBREAKERS CHECKED; RESET IF TRIPPED ONCE
Gear handle — recycle: raise then lower againRECYCLED; INDICATORS CHECKED
If still unsafe — fly-by or request tower visual inspection if availableVISUAL CONFIRMATION SOUGHT
If gear will not extend normally — proceed to Emergency Gear Extension checklistEMERGENCY EXTENSION INITIATED

Emergency Gear Extension landing_gear_malfunction

CAUTIONLocate and review the manual gear extension mechanism in the specific aircraft before flight. Mechanism location and procedure vary by aircraft serial and modification status — always verify against the aircraft POH.
Airspeed — reduce to below maximum gear extension speed and maintainMEMORYAT OR BELOW Vlo PER POH
Landing gear handleDOWN
Gear circuit breaker — check and reset if trippedCHECKED; RESET IF APPROPRIATE
Emergency gear extension — engage manual override per aircraft POH procedureOVERRIDE ENGAGED PER POH
Gear position indicators — verify three green after manual extensionTHREE GREEN CONFIRMED — OR NOTE ANY UNSAFE INDICATION
If any gear does not show green — do not retract; plan for minimum runway landing; notify ATCATC ADVISED; EMERGENCY DECLARED IF NOT ALREADY
After landing — do not taxi; shutdown on runway and await maintenance inspection before any further movementAIRCRAFT STOPPED ON RUNWAY; MAINTENANCE NOTIFIED

Source: authored — no source document

Rights: original_expression CC-BY-4.0

Checklist hash: 4f9d211dcf4a49266dc6769fe07feb77…

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