CSP
−
902RFM207E
−
1
ROTORCRAFT FLIGHT MANUAL
MD900 (902 Configuration with PW 207E)
Optional Equipment
Smoke Detector
Original
10
−
91
FAA Approved
Reissue 2
PART V
PERFORMANCE DATA
No change.
PART VII
SYSTEM DESCRIPTION
The smoke detector is a photoelectric device specifically developed for aircraft cargo
bay applications and is located on the upper right hand wall of the baggage compart
ment adjacent to the baggage compartment door. The detector incorporates specific
design features that virtually eliminate the reliability problems typically associated
with aircraft smoke detectors. The detector is a dual-channel, ratio-comparing de
vice in which one channel detects the presence of smoke and the second channel
serves as a reference. By comparing smoke and reference ratios, the detector is
able to operate reliably despite dust, moisture, temperature changes, and aging.
The detector provides an alarm signal (sweeping tone) to the aircraft ICS system
when the output from the smoke channel exceeds a predetermined ratio to the output
from the reference channel. The warning tone is heard through the headset. A test
input activates a complete through-the-lens check of electronic and optical func
tions. The press-to-test button is located on the lower right hand corner of the
right avionics bus.
The smoke detector system receives power from the battery bus and is protected
by a 5 amp. circuit breaker.
Summary of Contents for MD900 Explorer
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