Category II Desert Test of the HH-53C Helicopter. Appendix 3. Volume 3.
Technical rept. 14 Jun-7 Aug 1971
AIR FORCE FLIGHT TEST CENTER EDWARDS AFB CA
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This run presents data for inflight operation at very high ambient temperature 49C120F combined with high gross weight 41,000 lb and high power operation. Engine topping power checks were accomplished. The usual engine oil and engine nose gearbox oil overheat occurred during hover operations.