Special Instructions.

TM 55-1510-218-MTF

tated with a specific reading. Also a check ( ) 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).

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