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Classification of individual track and inflight ejection tests |
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|  MIL-S-18471G(AS)
APPENDIX
(7) Peak amplitude and base duration of escape path clearing
pulses shall be measured by the deviations of aSEAT from
the approved catapult pressure baseline.
30.4 Classification of individual track and inflight ejection tests.
Individual DT-IB track and inflight ejection tests and individual DT-IIB
track tests shall be assigned one of the classifications listed below, based
upon criteria in accordance with 30.4.1.
a.
No test.
b.
System failure.
c.
Limited success.
System success.
d.
30.4.1
Criteria for individual test classification.
"No test" criteria shall be defined by the contractor and
a.
included in the test plan prepared for procuring activity
written approval. "No test" criteria shall be defined in
terms of test condition limits, test support equipment
failures, instrumentation and camera failures, and other
conditions and actions which could negate or invalidate
test results. Tests in which one or more failures occur shall
not be classified "no test" unless subsequent formal failure
analysis confirms that "no test" conditions were the cause
of failure.
b. "System failure" classification shall apply to those tests in
which the recovery subsystem parachute canopy fails to achieve
initial opening prior to ground impact.
c. "Limited success" classification shall apply to those tests
which are not classified as a "system failure" or a "no test"
and in which one or more of the following conditions occurred:
(1) Component or subsystem failure.
(2) Failure to meet system performance requirements of 3.3.
(3) Marginal success demonstrated by MOS analysis.
(4) A condition that caused system failure can be readily
demonstrated through component test.
"System success" classification shall apply to those tests
d.
in which the performance requirements of 3.3 were met, no
component or subsystem failures occurred, no marginal success
was demonstrated by the MOS analysis and the "no test"
classification did not apply.
30.4.2 Acceptability of test series. For each of the
test series
(DT-IB track tests, DT-IB inflight ejection tests and DT-IIB
track tests),
successful completion shall consist of the completion of the
test series
where all individual tests are either "system success" tests
or accepted
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