Engine and Related Systems
T-45C TS, ADV & IUT ENG-04
1.
Gas turbine starter (GTS)
a.
Location: airframe-mounted on central fuselage
above engine
b.
Description: self-contained, two-stage air-
starting system, powers the air turbine starter
which provides engine rotation
2.
Air turbine starter (ATS)
Sg 1, fr 7
a.
Location: mounted to external engine gearbox
Engine Start System
b.
Description: consists of a turbine driven by air
from the GTS. Air turbine starter drives engine
provides assistance until approximately 45%
rpm has been achieved
3.
Sub-idle fuel control unit (SIFCU)
a.
Location: mounted to engine gearbox assembly
b.
Description: meters fuel to spray nozzles
during start cycle to ensure proper initial
Original (9-98)
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