TB 55-4920-346-34
b. When all parameters are within tolerance, annotate and affix DA Label 80 (US Army Calibrated Instrument).
When the TI receives limited or special calibration, annotate and affix DA Label 163 (US Army Limited or Special
Calibration). When the TI cannot be adjusted within tolerance, repair the TI in accordance with the maintenance manual.
When repair is delayed for any reason or the TI cannot be repaired with local resources, annotate and affix DA Form
2417 (US Army Calibration System Rejected Instrument)and inform the owner/user accordingly in accordance with TB
750-25.
By Order of the Secretary of the Army:
JOHN A. WICKHAM, JR.
General, United States Army
Official:
Chief of Staff
R. L. DILWORTH
Brigadier General, United States Army
The Adjutant General
Distribution:
To be distributed in accordance with DA Form 12-34B, Calibration Test Set requirements for all Fixed and
Rotary Wing Aircraft.
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