An operating procedure, condition, etc., which is essential
a. This manual covers only maintenance test flight of the RU-
21H(GR-V) avionics upgrade aircraft and in no way supersedes any
information contained in TM 55-1510-215-10-2, or -CL but is to be
used in conjunction with the -10 or -CL. For the purpose of
flights only, this manual satisfies all the requirements of the -CL from
Interior Check through Engine Shutdown.
Crew requirements will be as specified in TM 55-1510-215-
10-2 and AR 95-1.
c. The duration of a general or limited test flight will be in
accordance with the requirements of TM 1-1500-328-25.
Cargo and Passengers. Cargo and passengers are
prohibited on maintenance test flights.
Forms and Records. Forms and records will be checked
prior to the maintenance test flight to determine what maintenance has
been performed and the type of maintenance test flight required (i.e.,
general or limited).
Configuration. The configuration of the aircraft should be
determined prior to each maintenance test flight in order to determine
Post Test Flight Inspection. A thorough visual inspection will
be performed to the extent necessary to assure that deficiencies or
short-comings that may have developed as a result of the maintenance
test flight are detected.