Multiservice Helicopter Sling Load: Dual-Point Load Rigging Procedures: Field Manual 4-20.199 (FM 10-450-5), MCRP 4-11.3E, Vol. III, NTTP 3-04.13, AFM (in English)
Marine Corps, U. S. ; Department of the Navy, U. S. Government ; Department of the Air Force, U. S. Gover
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