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5.1
Mechanical Instrument Replacement
Approval is granted to replace legacy mechanical instrumentation as
follows:
Installation of the AV-30-C (Dedicated AI mode) as the primary
source for attitude and slip. Installation replaces the existing
stand-alone vacuum or electrically powered attitude indicator.
Installation of the AV-30-C (Dedicated DG mode) as the primary
source for direction-of-flight. Installation replaces the existing
stand-alone vacuum or electrically powered non-slaved directional
gyro indicator.
Note that when installed as a DG, a reversionary AI is available for
display. This functionality is supplemental only and does not satisfy
requirements for a backup or standby attitude, turn and slip, or turn
coordinator.
5.2
Non-Required Instrument Addition
Approval is granted to install the AV-30-C as a non-required
instrument, augmenting existing required instrumentation. In this
configuration, the AV-30-C must not replace an existing required
instrument.
5.3
Vacuum System Removal
The aircraft's vacuum system typically may be removed under a field
approval process (FAA form 337) if no other systems or equipment
requires it. The AV-30-C installation approval does not address this
alteration.
UAV-1003947-001, AV-30-C, Installation Manual
12
Revision C
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