C-17 Halo Jump

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BELOW ARE THE REGULATIONS USAF C-17 AIRCREWS ABIDE BY.

Airdrops conducted from above 3,000 feet AGL to 25,000 feet MSL, are considered high altitude deliveries.

NOTE •The aircraft is not designed to depressurize and conduct routine airdrops above FL 250. MAJCOM approval is required.

T.O. 1C-17A-1-4, page 2-112, para 2-152

HALO are jumps made with an exit altitude of UP TO 35,000 feet MSL and a parachute deployment altitude at or BELOW 6,000 feet AGL. HAHO are jumps made with an exit altitude of up to 35,000 feet MSL and a parachute deployment altitude at or ABOVE 6,000 feet AGL.

Field Manual FM 3-05.211 (FM 31-19) Special Forces MFF Operations April 2005

Oxygen info:

A continuous supply of 100% oxygen will be used by all aircrew personnel during unpressurized operations above 10,000 feet MSL. Parachutists may operate without supplemental oxygen during unpressurized flights up to 13,000 feet MSL provided time above 10,000 MSL does not exceed 30 minutes each sortie. Jumpmasters may operate without supplemental oxygen for an additional 60 minutes within the 10,000 to 13,000 foot envelope provided their duties during this period do not include jumping. Parachutists will transfer from the aircraft oxygen system to their personal oxygen system at approximately one minute before green light.

T.O. 1C-17A-1-4, page 2-112, para 2-161

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