ROUTINE
TB 1-1520-238-20-62
DEPARTMENT
OF
THE
ARMY
TECHNICAL
BULLETIN
OPTIONAL DEACTIVATION OF MAIN ROTOR AND TAIL
ROTOR BLADE DE-ICE CAPABILITY
AH-64A HELICOPTER
Headquarters, Department of the Army, Washington, D. C.
30 June 1995
DISTRIBUTION STATEMENT A: Approved for public release; distribution is unlimited.
NOTE
THIS PUBLICATION IS EFFECTIVE UNTIL SUBJECT AH-64A AIRCRAFT HAVE BEEN
INSPECTED, UNLESS SOONER RESCINDED OR SUPERSEDED.
1. Priority Classification. Routine
a. All aircraft shall comply with this Technical Bulletin (TB) at the Commander's discretion. No
suspense date shall be enforced..
b. Aircraft in stock including war reserves at all levels (Depot/others) - N/A.
2. Task/Inspection Suspense Date. N/A.
3. Reporting Compliance Suspense Date. N/A.
4. Summary of the Problem.
a. As a result of new Operator's Manual requirements limiting flights into light icing conditions only, it is
no longer necessary to maintain the Rotor De-ice System.
b. For manpower/down time and funding impact, refer to paragraph 12.
c. The purpose of this TB is to provide instructions for deactivating the Rotor De-ice System, if so
chosen, and to provide requisitioning information for Main Rotor Blades with operable and inoperable heater
blankets.
5. End Items to be Inspected. All AH -64A aircraft.
6. Assembly Components to be Inspected. N/A.
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