DEPARTMENT OF THE ARMY TECHNICAL BULLETIN
REVISION TO AVIATION SAFETY ACTION MESSAGE
UH-1-98-ASAM-03, MANDATORY INSPECTION
OF TAIL ROTOR CONTROL TUBES
FOR ALL UH-1 SERIES AIRCRAFT
Headquarters, Department of the Army, Washington, D. C.
21 January 1999
DISTRIBUTION STATEMENT A: Approved for public release, distribution is unlimited.
THIS PUBLICATION IS EFFECTIVE UNTIL RESCINDED OR SUPERSEDED.
THIS PUBLICATION SUPERSEDES TB 1-1520-210-20-40 (UH-1- 98-ASAM-03).
1. Priority Classification. URGENT
See AR 95-1, paragraph 6-6 a., for noncompliance authority of major commanders.
a. Aircraft in Use. Upon receipt of this Technical Bulletin (TB), the condition status symbol of the cited aircraft will
be changed to a Red Horizontal Dash (-). The Red Horizontal Dash (-) may be cleared when the inspection of
paragraph 8 below is completed. The affected aircraft shall be inspected as soon as practical but no later than the
task/inspection suspense date. Failure to comply with the requirements of this TB within the time frame will cause the
status symbol to be upgraded to a Red X.
b. Aircraft in Depot Maintenance . Aircraft will not be issued until compliance with this TB has been completed.
* This TB supercedes USAAMCOM Aviation Safety Action Message (ASAM) 091320Z, DEC 98, UH-1-99-ASAM-02
and TB 1-1520-210-20-40, dated 13 April 1998.