TM 10-1670-300-20&P
TO 14D1-2-469-2
NAVAIR 13-1-42
1-12. EQUIPMENT DATA.
a. Free-fall Parachutist Helmet.
Sizes: Small, Medium, Large
Type I: without communications equipment
Type II: with communications equipment
b. Goggles.
Sizes: one only
c. Equipment Lowering Line.
Length: 8 ft
1-13. EQUIPMENT CONFIGURATION. Exact usage of Ancillary Equipment for Military Free-Fall System is
indicated by the mission. Refer to applicable field manual for guidance.
Section III. PRINCIPLES OF OPERATION
1-14. GENERAL. The Ancillary Equipment for Military Free-fall System is used on High Altitude Low Opening
(HALO) and High Altitude High Opening (HAHO) parachute operations. The equipment is to provide safety to
parachutists, a means of communication between parachutists and supporting aircraft, determination of
jump/opening altitude, and a means of lowering personal equipment prior to landing. The FF-2 release
automatically activates ripcord when altitude reaches that set in advance.
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