AFMAN11-2MH-139V3 — Mh-139 Operations Procedures

AFMAN11-2MH-139V3 governs the safe and effective operation of all MH-139 helicopters employed by the United States Air Force.

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  • Publication number: AFMAN11-2MH-139V3
  • Title: MH-139 OPERATIONS PROCEDURES
  • Date: 2024-04-23

View AFMAN11-2MH-139V3 on armypubs.army.mil


It covers general operating guidance, mission preparation, flight duty periods, crew rest, alert aircraft, and normal operating procedures. It requires current aircraft databases, minimum equipment decisions, and seat belt or restraint device use.

Applies to: This manual applies to all civilian employees and uniformed members of the Regular Air Force, the Air Force Reserve, and those who are contractually obligated to comply with Department of the Air Force (DAF) publications.

Topics covered

  • Flight duty periods
  • Crew rest and compensatory time off
  • Alert aircraft
  • Aircraft databases
  • Minimum aircraft equipment and instrumentation
  • Seat belt and restraint devices
  • Aircraft taxi operations

Questions and answers

How long is the flight duty period when the flight director is not fully operational?

If the flight director (i.e., coupled modes) is not fully operational for the required mission profile, or its use is denied for more than 4 hours, the FDP will be 12 hours. (paragraph 5)

How is post-mission compensatory time off calculated?

Post-mission compensatory time off will be computed at a rate of 1 hour off for every 3 hours of alert or TDY duty, not to exceed 72 hours. (paragraph 5)

Can medical personnel perform lifesaving duties with less than 12 hours of crew rest?

Medical personnel called to duty for urgent SAR/MEDEVAC missions with less than 12 hours of crew rest may perform lifesaving duties. (paragraph 5)

When must aircraft navigation and EGPWS databases be current?

PICs will ensure the Primus Epic navigation and EGPWS databases in the aircraft are current prior to flight. (paragraph 2)

Who makes the final decision about equipment required for a mission?

In accordance with AFMAN 11-202V3, the final decision regarding equipment required for a mission rests with the PIC. (paragraph 2)

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