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pattern (go-around) or until the aircraft reaches the IAF for another approach (IFR).
Usage Notes:
• A holding procedure executed at the IAF is included in the ENROUTE phase.
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LANDING (LDG)
From the beginning of the landing flare until aircraft exits the landing runway, comes to a
stop on the runway, or when power is applied for takeoff in the case of a
touch-and-go landing.
This phase of flight includes the following sub-phases:
• Flare: Transition from nose-low to nose-up attitude just before landing until touchdown.
• Landing Roll: After touchdown until aircraft exits the landing runway or comes to a stop,
whichever occurs first.
• Aborted Landing After Touchdown: When an attempt is made to get airborne after
touchdown (successful or not). This does not include the take-off portion of a touch-and-go.
Usage Notes:
• For Rotorcraft, includes both vertical and running landings.
EMERGENCY DESCENT (EMG)
A controlled descent during any airborne phase in response to a perceived
emergency situation.
UNCONTROLLED DESCENT (UND)
A descent during any airborne phase in which the aircraft does not sustain
controlled flight.
POST-IMPACT (PIM)
Any of that portion of the Flight which occurs after impact with a person, object, obstacle
or terrain.
Usage Notes:
• While not a Phase of Flight per se, this phase is added to permit accurate sequence of event
reconstruction for occurrences. For example, to capture post impact fire.
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UNKNOWN (UNK)
Phase of flight is not discernable from the information available.
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PHASE OF FLIGHT DEFINITIONS AND USAGE NOTES(5)
