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at76 severe icing

• IAS: ICING BUG + 30 KT (or ICING BUG IF FLAPS 15 EXTENDED)

• PWR MGT: MCT

• PL 1+2: ADJUST

• CL 1+2: 100% OVRD

• DETECTION:

  • Weather conditions that can result in severe in-flight icing:
    
    • Visible rain at temperatures close to 0 °C (SAT).
      
    • Droplets that splash or splatter on impact at temperature close to 0 °C (SAT).
      
  • First indications:
    
    • Ice covering all/substantial parts of unheated side window (visual cue).
    • Unable to reach or maintain target speed of IAS > ICING BUG + 10 kt.
    • Unable to maintain VS (climb rate) > 100 ft/min average at ICING BUG + 10 kt.
      
    • Abnormal vibrations.
  • Secondary indications (visual cues):
    
    • Water splashing/streaming on the windshield.
      
    • Unusual extensive ice accreted on the airframe in areas not normally observed to collect ice.
      
    • Accumulation of ice on the lower surface of the wing aft of the protected areas.
      
    • Accumulation of ice on propeller spinner farther aft than normally observed.

Uncontrolled! - Check your up to date ATR and company documentation!

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