Belfort AWOS, Maintenance Manual

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BELFORT
INSTRUMENT
Proprietary Information
Runways: _____________.
Sensor Elevation: _____________.
Field Elevation: _____________.
Magnetic Variation: _____________.
FBO Name: _____________.
FBO/Unicom Frequency: _____________.
Site Password: _____________.
RF Transmit Power: _____________.
Visibility Sensor Type: _____________.
Visibility Sensor Baud Rate: _____________.
Configuration Values saved in EEprom: Pass______ Fail:_____.
Complete Air Nav Document attached to this sheet: Yes ______ No:_____.
DCP Enclosure cover screws fully tightened: Yes ______ No:_____.
3.
Barometric Pressure Sensor (refer to Maintenance Manual section 5.2)
DCP S/N: Reference Belfort AWOS Acceptable Adjustment Value
_________ Standard (A) Reading (B) Tolerance Required? After
PN: _______ Adjustment
BP1 _________ _________ ±0.02 in Hg Y ___ N ___ _________
BP2 _________ _________ ±0.02 in Hg Y ___ N ___ _________
Review the past year maintenance log to see if the DCP (with pressure sensors) had been
replaced. If it was replaced, indicate that fact here.
DCP Replaced Yes

No

From the maintenance logs, review the previous measured pressure sensors values and
document any change in the measured sensor values since the last altimeter check.
Sensor Drift BP1_________ BP2 _________ < +- .02 in Hg.
Record any configuration difference(s) identified _____________________________
4. Visibility Sensor (refer to Maintenance Manual section 5.4)
Visibility Sensor PN: __________________ Serial Number: __________
A. Clean visibility and ambient sensor windows Completed

B. Perform sensor calibration if the ExtCo difference is > +-5%: Acceptable
Sensor Reference % Diff Tolerance: ± 5%
ExtCo ExtCo
Initial __________ __________ ______ Pass

Fail

After Cal. __________ __________ ______ Pass

Fail

5. Tower/DCP Mounting Assembly Visual Inspection:
A. Check for obvious mechanical damage to system and repair or replace as needed
