Summary: Tb-20

Read the summary and the most important questions on TB-20

• 1 QRH

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• Unintentional flight into icing

  Go to QRH checklist

• Electrical equipment failure

  Go to QRH checklist

• Radio master switch failure

  Go to QRH checklist

• Autopilot failure or Electric trim failure

  In case of autopilot failure or electric trim failure, accomplish the following two items simultaneously
  

  1. Airplane control wheel GRASP FIRMLY
  2. AP DISC TRIM INT switch PRESS AND HOLD
  3. Airplane attitude MAINTAIN/REGAIN AIRPLANE CONTROL
  4. Trim RETRIM AIRPLANE MANUALLY 
  5. TRIM circuit breaker PULL
  6. AP DISC TRM INT switch RELEASE

• Emergency landing without engine power

  1. Seats, seat belts, shoulder harnesses ADJUSTED AND SECURE
     
  2. Confirm that all persons on board are prepared

  Final approach
  

  1. Advise all persons on board: BRACE FOR IMPACT 2x
  2. Fuel selector CLOSED
  3. Mixture IDLE CUT-OFF
  4. Fuel pump OFF
     
  5. Magneto selector OFF
     
  6. Landing gear lever AS REQUIRED
  7. Flaps AS REQUIRED
  8. Main switch OFF

  Prior to touchdown
  

  1. Maintain airspeed at Vref. Flare the airplane to achieve the minimum rate of descent at touchdown. Keep nose high. Avoid obstacles
  2. Touchdown WITH THE LOWEST POSSIBLE AIRSPEED

  Immediately after the airplane has come to a rest
  Go to evacuation checklist

• Engine failure in flight

  1. Glide speed 92 KIAS
     
  2. Fuel selector SWITCH TANKS
  3. Mixture FULL RICH
  4. Fuel pump ON
  5. Alternate air AS REQUIRED
  6. Magneto selector BOTH
  7. Engine instruments CHECK
  8. Fuel quantity CHECK

  
  
  If the engine does not start:
  

  1. Mixture IDLE CUT-OFF
  2. Throttle 1/2 OPEN

  If propeller is stopped
  

  1. Starter ENGAGE

  If propeller is turning
  

  1. Mixture SLOWLY ENRICH UNTIL RE-START

• Electrical fire in flight

  1. Visually detect smoke and/or flames
     
  2. Main switch OFF
  3. Cabin air cooling & demisting FIRE CUT-OFF
  4. Disengage pull-off type circuit breaker of BUS bar 1, BUS bar 2 and BUS bar 3

  If fire is in cabin
  

  1. ALTr FLD switch breaker OFF
  2. All electrical switches (except magnetos) OFF
  3. Fire extinguisher ACTIVATE
  4. Confirm fire is out

  
  
  Go to QRH checklist

• Engine fire during start

  1. Visually detect smoke and/or flames
     
  2. Starter CONTINUE STARTING (MAX. 10 SEC.)
  3. Fuel selector OFF
  4. Mixture IDLE CUT-OFF
  5. Throttle FULL OPEN
  6. Fuel pump OFF
  7. Cabin air cooling & demisting FIRE CUT-OFF

  If fire continues
  Go to evacuation checklist

• Engine fire during take-off

  1. Visually detect smoke and/or flames
     

  If during ground roll
  

  1. Abort take-off 
  2. Throttle IDLE
  3. Rudder MAINTAIN DIRECTIONAL CONTROL
  4. Brakes AS REQUIRED
  5. Fuel selector CLOSED
  6. Mixture IDLE CUT-OFF
  7. Throttle FULL OPEN
  8. Fuel pump OFF
  9. Cabin air cooling & demisting FIRE CUT-OFF

  Go to RTO follow-up checklist
  If after lift-off
  

  1. Consider safest course of action

  
  If engine shutdown is necessary
  

  1. Fuel selector OFF
     
  2. Mixture IDLE CUT-OFF
  3. Throttle FULL OPEN
  4. Fuel pump OFF
  5. Cabin air cooling & demisting FIRE CUT-OFF

  Go to engine failure after take-off checklist

• Engine fire in flight

  1. Visually detect smoke and/or flames
     
  2. Consider safest course of action

  If engine shutdown is necessary
  

  1. Fuel selector OFF
  2. Mixture IDLE CUT-OFF
  3. Throttle FULL OPEN
  4. Fuel pump OFF
  5. Cabin air cooling & demisting FIRE CUT-OFF

  After engine has stopped
  

  1. Magneto selector OFF
  2. ALTr FLD switch breaker OFF
  3. Confirm fire is out

  If fire continues 
  

  1. Consider increasing speed as much as possible in an attempt to blow out the fire

  
  Go to emergency landing without engine power checklist