T-45C TS, ADV, & IUT CO-02
Engine Start and Poststart
E. NATOPS step 10. Pressing the switch to TONE
TEST generates the four audio tones in the
following sequence:
warning,
caution,
wheels up, and
weapons release
F. NATOPS step 11. HYD 1 and HYD 2 pressure
indicators - ZERO: The HYD 1 and 2 pressure
gauges in the cockpit show system pressure,
not accumulator pressure like the HYD 1 and 2
flight control accumulator pressure gauges
checked during the exterior preflight
G. NATOPS step 12. BRAKE pressure indicator -
1,250 PSI MINIMUM: The BRAKE pressure
indicator should show a pressure close to the
pressure on the wheel brake/emergency flap
accumulator pressure gauge in the right main
landing gear wheelwell that you checked on
preflight
H. NATOPS step 13. FLAP position lights -
MATCH FLAP POSITION: Between flights the
flaps may bleed down partially or to full down.
On start as HYD 1 pressure comes up the flaps
will retract
I.
NATOPS step 14. Landing gear position
indicator lights - ON (GREEN): The DOOR light
is on because the plane captain opens the
forward nose and outer main landing gear doors
during the turn around inspection. On start, as
HYD 1 pressure comes up, the doors with close
and the DOOR light will go out
J.
NATOPS step 15. COMM 1/COMM 2 transfer
switches - AS REQUIRED: Press the button to
select between FWD or AFT. The illuminated
legend indicates the cockpit exercising control of
the COMM 1 or COMM 2 radio
(10-99) Original
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