TB 55-9150-200-24
Table 3-1. Lubricating Oils, Turbine Engine Aircraft (Cont)
(UTE)
Above -40 (40 )
U-21A/G
T74'-CP-700
C
F
None
use MIL-L-23699
Below -40 (-40F)
C
use MI L-L-7808
RU-21A
Same
Same
None
RU-21 D
Same
Same
None
RU-21E/H
Same
Same
None
EU-21A
Same
Same
None
RU-21 B/C
T74-CP-702
Same
None
U-21F
PT6A-28
Same
None
Rotary Wing Aircraft
(COBRA)
Above -32 (-25 )
AH-1G/Q
T53-L-13/
C
F
Same as engine oil
A/B
use MIL-L-23699
system
Below -32 (-25 )
C
F
use MIL-L-7808
TH-1G
Same
Same
Same
(IROQUOIS)
UH-1 B
T53-L-11/
Same
Same
B/C/D
UH-IC
T53-L-11/
Same
Same
B/C/D
UH-LD
T53-L-11/
Same
Same
B/C/D
UH-LH
T53-L-13/
Same
Same
A/B
UH-LM
Same
Same
Same
(CAYUSE)
OH-6A
T63-A-700
Same
Same
(CHINOOK)
(TARHE)
Above -1.0 (+30 )
CH-54A
T73-P-1
C
F
For main, intermediate,
use MIL-L-23699
tail, and cargo hoist
Below -1 (+30 )
C
F
gear boxes
use MIL-L-7808
use MIL-L-23699 as primary
(see Note 3)
oil, and NATO Standard 0-149
and MIL-L-7808 as alternates
(see Note 4)
For tail rotor use MIL-
L-21260A, Type 1,
Grade 30
3-6