Aircraft Icing - National Weather Service Southern Region ...

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ATOMS – Aircraft Icing – December 2004 ATR Icing Accident On October 31, 1994, ATR-72 crashed near Roselawn, Indiana, killing 64 passengers and 4 crew. NTSB tied the aircraft's loss of control to a unexpected movement of an aileron after a ridge of ice formed behind the deice boots. The plane went into an uncommanded roll that resulted in a rapid decent. The aircraft had been in a holding pattern with autopilot engaged. Result of SLD!!
ATOMS – Aircraft Icing – December 2004 Weather Map Clues Or, where you might find likely areas of ice by just looking at the weather maps Some Terms: 1. Frontal Systems 2. Overrunning 3. Lake Effect 4. Wrap Around
Page 1 and 2: Aircraft Icing December 9, 2004 Nat
Page 3 and 4: We Will Cover Types Types of icing
Page 5 and 6: Fact: Ice can form on the surface o
Page 7 and 8: Quick (trick?) Question It will be
Page 9 and 10: Fact: Nearly ALL icing happens in c
Page 11 and 12: Ice forms first on the “Shortest
Page 13 and 14: Ice forms first on the “Shortest
Page 15 and 16: Definition Four classes of intensit
Page 17 and 18: Clear Icing - Big Drops ATOMS - Air
Page 19 and 20: Fact: The kind of cloud plays a big
Page 21 and 22: More Ice, Less Water = Good ATOMS -
Page 23 and 24: Big Drops Water = Bad ATOMS - Aircr
Page 25 and 26: Fact: Snow Snow ATOMS - Aircraft Ic
Page 27 and 28: ATOMS - Aircraft Icing - December 2
Page 29 and 30: Strategy Preflight planning What is
Page 31 and 32: Effects of Icing Are “Cumulative
Page 33 and 34: Icing Effects Accumulate ATOMS - Ai
Page 35 and 36: Icing Effects Accumulate ATOMS - Ai
Page 37 and 38: Rules of Thumb There is no rule of
Page 47 and 48: 33 33o F to -4o F Warmer - No Ice A
Page 49: Thunderstorm - Severe Icing 20 mile
Page 57 and 58: Frontal System ATOMS - Aircraft Ici
Page 59 and 60: Pick a Safe Route ATOMS - Aircraft
Page 61 and 62: Overruning ATOMS - Aircraft Icing -
Page 63 and 64: Lake Effect ATOMS - Aircraft Icing
Page 65 and 66: Wrap Around Clouds ATOMS - Aircraft
Page 67 and 68: More Information Sources 1. PIREPs
Page 73 and 74: We Covered Types Types of icing A A

Aircraft Icing - National Weather Service Southern Region ...

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