The following are examples of the various
Model Indicator
designations:
The model indicator consists of a dash and a
MIL-STD-879
model number, or a dash and a model number
F401-PW-400
with a suffix letter you assign, and a model
number for each configuration of a given engine.
F = Turbofan
Each service has a block of numbers they use
401 = Second Navy turbofan in new designa-
consecutively, just like the type indicator number.
tion system
The following is the beginning number for each
service.
PW = Pratt and Whitney Aircraft Division,
United Aircraft Corporation
100 . . . . . . . . . . . . . . . . . . . . . . . . . . .. Air Force
400 = First Navy model of this particular
engine
400 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Navy
Mixed designation
700 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Army
T56-A-416
NOTE: Should any service use another's
416 = Shows the incorporation of configura-
designated engine, the designation remains
tion and performance changes to the
the same unless there is a model change.
T56-A-16
In this case, only the model indicator is
Table 1-1 lists by engine type some of the
changed, showing the engine has been
more common designations and their associated
modified.
Table 1-1.-Navy Aircraft and Associated Engines
ENGINE TYPE
DESIGNATION
AIRCRAFT
TURBOJET
J85-GE-13
F-5, T-38, T-2C
F-4
J79-GE-10
K F I R(2) ( F - 2 1 A )
()
J79-JIE l
J60-P-6
T-2B
J57-P-10
A-3
J52-P-8
A-6E, EA-6B, KA-6D, A-4, TA-4
F404-GE-400
TURBOFAN
F/A- 18
F402-RR-404
TAV-8A, AV-8C
F110-GE-400
F- 14D
TF41-A-2
A-7E, TA7C
TF34-400A
S-3A, US-3A
TF30-P-414
F14-A
1)
TC-4C
TURBOPROP
T-76-GE-10/12
OV-10
T-56-A- 14
P-3, C-130, C-2, E-2
T - 3 4(2)
H-60
TURBOSHAFT
T700-GE-401
T400-CP-400
H-l J
T64-GE-413
H-53
T58-GE-10
H-3 , H-2, H-46
T53-L-13
H-1
(1)
ENGINES UNDER CONTRACT MAINTENANCE
(2)
AIRCRAFT UNDER CONTRACT MAINTENANCE
1-11
