BHT-412-MM-2
5-00-00
26 FEB 2013 Rev. 16 Page 189
Export Classification C, ECCN EAR99
5-37. AFTER HARD LANDING
DATA REFERENCE INSPECTION TASK DESCRIPTION
INITIAL
MECH OTHER
DATE: __________________W.O. _____________________
FACILITY: __________________________________________
HELICOPTER S/N: ___________________________________
REGISTRY NO.: _____________________________________
TOTAL TIME:_______________________________________
SIGNATURE:________________________________________
Accomplish after hard landing.
Evaluate components removed from a helicopter
following a hard landing as an interrelated group.
Make entries in component records of each
component removed to cross reference part and
serial numbers of other drive system components
removed for evaluation.
Hard landing is defined as any accident or incident in which
ground impact of helicopter results in yielding or cracking of
mounting lugs of transmission support case or noticeable
yielding or cracking of fuselage pylon support structure,
landing gear, or tailboom attachment structure. This definition
is confined only to those accidents not involving sudden
stoppage of main rotor or tail rotor.
AFTER HARD LANDING
1. If a hard landing is suspected, accomplish the following:
a. Inspect main and tail rotor blades for evidence of strike
damage. If such evidence is found on either rotor, perform
Sudden Stoppage (power on or off).
b. Visually inspect underside of fuselage and tailboom for
evidence of ground contact.
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