TM 10-1670-305-23&P
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TEST CHAMBER ASSEMBLY, MODEL 452
0024 00
DIRECT SUPPORT MAINTENANCE
CALIBRATION
WARNING
Calibration of the AAU-31/A aviation altimeter may be done only by an authorized
calibration laboratory or repair facility with proper altitude-measuring standard
instrument.
For AAU-31/A aviation altimeter calibration procedures, refer to the applicable technical
documentation covering altimeters.
