MIL-DTL-85110B(AS)
(2) That speed which will cause a maximum load in the holdback bar, during buffing,
equal to the minimum release load as specified in MIL-A-8863.
i. The RRHB shall be incapable of being installed on an aircraft other than that on an
aircraft other than that of which it was designed.
j. The RRHB shall be capable of absorbing internally any strain energy stored in the unit
through a self-contained snubber.
k. The RRHB shall incorporate a mechanical override feature to permit manual release up to
load P. The manual release load, P in pounds, in the RRHB is:
P = (T + 0.2W) divided by cos 2
where:
T = idle thrust on 59°F day
W = airplane maximum gross weight
2 = angle between holdback axis and the deck
l. The RRHB shall automatically reset itself for subsequent reuse after final release from the
aircraft holdback fitting within twenty seconds.
m. The RRHB shall be free of any external adjustments that could permit inadvertent or
unauthorized variation in release load. An adjustment feature shall be provided which
will permit periodic calibration of the release load as required.
n. The RRHB shall incorporate a counter to record automatically the number of cycles of
operation for the purpose of determining remaining service life.
o. The RRHB shall be capable of being installed on or removed from an aircraft by one
crewman.
p. An overload control section shall be provided either on the aircraft holdback fitting or on
the aircraft end of the RRHB, as dictated by the aircraft design and approved by the
acquiring activity. The design of the overload control section shall be such that failure at
this point shall not impair normal functions of the nose landing gear, or otherwise cause
damage to the aircraft.
q. The RRHB shall provide a visual indication of having reset itself.
r. The RRHB shall provide a visual indication of correct installation to the airplane catapult
holdback fitting.
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