Belfort AWOS, Maintenance Manual

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Belfort AWOS Annual Maintenance Form, Jan 2013
BELFORT
INSTRUMENT
Proprietary Information
5.
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 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 _____________________________
6. Visibility Sensor (refer to Maintenance Manual section 5.4)
Review the past years maintenance log and verify that no replacement of the Visibility sensor was
made. If a replacement was made, verify that P/N and Revision installed is acceptable to current
authorized VDD baseline.
Yes

No

Record any configuration difference(s) identified _____________________________
7. Perform the Annual Wind Speed Sensor confidence validation (refer to Maintenance Manual section
5.5) Pass

Fail

Review the past years maintenance log and verify that no replacement of the Wind Speed sensor was
made. If a replacement was made, verify that P/N and Revision installed is acceptable to current
authorized VDD baseline.
Yes

No

Record any configuration difference identified __________________________________
8. Perform the Annual Wind Direction Sensor confidence validation (refer to Maintenance Manual
section 5.6)
Pass

Fail

Review the past years maintenance log and verify that no replacement of the Wind Direction sensor
was made. If a replacement was made, verify that P/N and Revision installed is acceptable to current
authorized VDD baseline.
Yes

No

Record any configuration difference identified ______________________________