T-45C TS, ADV & IUT EMFP-01
Start, Ground, and Takeoff Emergency Procedures
(3) Ground personnel giving fire signal
b.
Procedures - See NATOPS
c.
Reasons for procedures: during ground
operations, immediately shutting down the
engine without verification may save the aircraft
from damage
3.
Engine overtemp/overspeed 1.8.1.1.4.2
?
What is the maximum continuous engine operating
temperature?
ANSWER: 550 degrees C
NOTE: The probable cause of this malfunction is
engine damage or uncontrolled fuel flow due to a
malfunctioning engine control amplifier (ECA). If
both lanes have failed, the ECA caution light will
illuminate prior to the below-mentioned indications.
Failure of one lane will illuminate the ECA advisory
light.
a.
Indications
(1) Start: EGT exceeds 550 degrees C
Sg 2, fr 7
Engine Operating
(overshoot of 20 degrees for 10 seconds)
Limitations
(2) Idle: EGT exceeds 450 degrees C
ENGINE OPERATING LIMITATIONS
Condition
Maximum N2 RPM (%)
Maximum EGT (C)
TimeLimit
(3) Maximum (MRT): EGT exceeds
MilitaryRatedThrust
104
610
30 Min/FlightHour
(MRT)
Transient /Acceleration
104
645
Lessthan20sec.
600 degrees C (30 minutes per flight hour)
Maximum Continuous
100
550
---
Idle
55 +/- 2
450
---
(Note1)
GroundStart
---
550
(Note2)
Airstart
---
600
(Note3)
1.
Bleed valve closed. This nominal RPM increases 1% for every
1,500 feet above sea level and will vary depending on engine
loading, air bleed, and ambient conditions.
2.
Maximum overshoot of 20 degrees C for 10 seconds.
3.
Maximum overshoot of 50 degrees C for 10 seconds (NOTE: The
EGT/RPM warning light will operate at 650 +/- 8 degrees C)
Change 1 (9-98)
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