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SEVERE ICING - E99.08

• 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).
      
  • Main indications:
    
    • Ice covering all/substantial parts of unheated side window (visual cue).
    • Unable to maintain IAS above ICING BUG + 10 kt.
    • Unable to maintain V/S above 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.

• If any severe icing indication:
• SEVERE ICING procedure (E99.08): APPLY

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