tated with a specific reading. Also a check ( ü ) for sat-
isfactory performance, or a (X) for problem detected
wiII be recorded and a short statement entered in the
remarks block of the check sheet.
An (O) prior to a check indicates a require-
ment if the equipment is installed.
Maintenance Test Flight Check Sheet. The
check sheet contained in Section V will be used for all
test flights. When a test flight is performed to deter-
mine if specific equipment or systems are operating
properly, completion of only that portion of the main-
tenance test flight check sheet applicable to the specific
equipment or systems being tested is required. The air-
craft test flight check sheets may be locally reproduced.
Continuation sheets may be used when necessary.
ltems that prove to be unsatisfactory during the test
flight and require corrective action, shall be listed in
the remarks block during flight and transferred to DA
Form 2408-13 immediately after termination of the
flight. The sheet will be attached to the DA Form
2408-13 upon completion. After accumulation of two
or more sheets, the data should be reviewed to deter-
mine if trends are developing.
i. Free Air Temperature (FAT) and Outside Air
Temperature (OAT). For the purposes of this manual,
free air temperature (FAT) is to be considered the
same as outside air temperature (OAT).