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|  MIL-S-18471G(AS)
4,5.2 .5.1 Reliability assessment. The contractor shall prepare a system
reliability assessment for inclusion in the pre DT-IIB design review to
demonstrate compliance with the requirements of 3.2.1.7.1. The assessment
shall reflect the allocations, predictions, and reliability growth data
documented in implementing the reliability program plan of MIL-STD-2067.
The contractor shall include the following in the documentation of the system
reliability assessment:
a.
The achieved constructed system reliability.
b.
Using the block diagram format, the block-by-block
comparison of the allocated or predicted reliabilities
and demonstrated reliabilities.
4.5.2.5.2 Systems tests. System tested reliability shall be demonstrated
by the successful completion of the tests of 4.4.2, 4.4.3, and 4.6.1.
4.5.3 Pre DT-IIB design review. The procuring activity will conduct a
pre DT-IIB design review to ensure that the escape system design is compatible
with the aircraft and the fully-equipped aircrewmember, and is in accordance
with the specification requirements. The contractor shall prepare a
summary (see 4.7.3.4) of all significant findings and results of the following:
DT-IB tests (see 4.4).
a.
DT-IIA tests (see 4.5.1 and 4.5.2).
b.
c.
Final functional configuration audit (see 4.5.3.1).
The procuring activity will determine, from the data presented, the design
compliance to this specification and the suitability of the escape system
design for commencement of the DT-IIB tests (see 4.6). Completion of this
review is a prerequisite for the commencement of the system track tests (see
4.6.1).
4.5.3.1 Final functional configuration audit (FFCA). A FFCA of the escape
system shall be conducted by the contractor in accordance with MIL-STD-1521
within forty-five days of the completion of the DT-IB tests (see 4.4).
The results of the DT-IB tests shall be summarized and made available to
representatives of the procuring activity. The objective of the FFCA
be to verify that the performance and functional characteristics of the escape
system and its components and subsystems comply with "the requirements of this
specification
4.6 System full-scale development, DT-IIB. The contractor shall demon-
strate compliance with the escape system performance and design requirements
of section 3 by successful completion of the system track tests (see 4.6.1)
and the physical configuration audit (see 4.6.2). The DT-IIB tests shall
not commence until completion of all DT-IB tests, DT-IIA tests, and the pre
DT-IIB design review.
4.6.1 System track tests. Six system track tests shall be conducted in
accordance with the detailed test requirements of the appendix to demonstrate
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