DAFI21-103_AETCSUP governs equipment inventory, status, and utilization reporting for mission-essential systems and equipment.
View DAFI21-103_AETCSUP on armypubs.army.mil
It covers aerospace vehicle maintenance status, communications equipment downtime, weather equipment status, and asset change reporting. It requires specified information for movement, termination, possession PIC, configuration, relocation, and condition code messages.
The MESL does not determine airworthiness or "safety-of-flight": Do not use the MESL to gauge "go/no-go" decisions. (paragraph 2)
The maintenance status NMC flyable (Condition status codes K, L, M, N, P) will be used when an aerospace vehicle cannot accomplish the unit’s wartime, training, or test mission, but is still flyable (safe for flight). (paragraph 2)
A NMC flyable aerospace vehicle may be deployed as long as it can be returned to MC status (FMC or PMC) at the deployed site. (paragraph 2)
If the data acquisition unit (data logger) is inoperative, report system NMC (Red). (paragraph 1-3)
Radar system is able to detect and display current meteorological targets locally but cannot transmit imagery or data to other users (for example, Operational Weather Squadron), report system PMC (Amber). (paragraph 1-3)