MCO 1326.2H governs temporary flight orders and incentive pay for enlisted members and certain officers participating in aerial flights.
View MCO 1326.2H on armypubs.army.mil
It covers HDIP eligibility, flight-order allocation and issuance, aircrew requirements, and flight-order classifications. It requires minimum flight requirements, voluntary assignment, timely orders, and monthly Flight Order Audit Boards.
Specifically, temporary crewmembers will meet all aircrew training and physical requirements. (paragraph 3)
Minimum flight requirements cannot be waived. (paragraph 3)
Assignment of personnel to duty involving flying is on a temporary and strictly voluntary basis. (paragraph 1)
Temporary flight orders must be issued to the individual prior to the time that person enters upon such duty. (paragraph 2)
In accordance with reference (h), a monthly Flight Order Audit Board will be conducted to ensure unit accountability. (paragraph 3)