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Page Title:
Helicopter Changes and Adjustments |
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| MIL-D-23222A(AS)
3.1.7
HELICOPTER CHANGES AND ADJUSTMENTS. - Subse-
quent to release of helicopters for demonstra-
tion tests at NAVAIRTESTCEN, no replacements, alterations, changes,
or adjustments other than those required by normal maintenance pro-
cedures shall be made unless approved by the COMNAVAIRTESTCEN and/or
NAVAIR subject to the requirements specified below. When a
replacement, alteration, change, or adjustment, which would not be
required by normal maintenance procedures, becomes necessary, or
appears to the contractor or the COMMAVAIRTESTCEN to be necessary,
because of a dangerous or damaging occurrence (such as a violent
response of the helicopter or control surface, or yielding, excessive
wear, or failure of a region of the structure or excessive or un-
usual vibration), or because of any malfunction (such as the failure
of an engines or of the transmission, or some other item of equipment
necessary to continue to operate normally), or for any other reason
during the tests at NAVAIRTESTCEN, the contractor shall submit
Concurrently to NAVAIR and to the COMNAIRTESTCEN:
(1) A realistic technical evaluation of the signi-
ficance of the disclosed design and construction
deficiency, or other mason for the occurrence.
(2) A record of tests at the contractor's plant which
disclosed the deficiency or, if applicable, an
explanation as to why the deficiency was not
disclosed and/or reported during tests at the
contractor's plant.
(3) Description of proposed corrective action in-
cluding recommendation of interim operating
restrictions for helicopters of the same design.
(4) Technical justification of proposed corrective
action.
(5) Schedules for changes to contract design data
and changes to helicopters consistent with the
proposed corrective action.
(6)
Engineering change proposal including tests to be
repeated to satisfactorily demonstrate the changed
helicopter.
3.1.8
FLIGHT PLAN RELEASE. - The contractor shall
prepare flight plans covering tests and
procedures to be followed by the flight crew during the demonstration,
for approval by NAVPRO. The flight plans shall include operating
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