T-45A UJPT, E2-C2, ADV, & IUT Eng-19
Flight Instruments
(1) Counter displays thousands of feet
and drum indicates hundreds of
feet
(2) Face scale indicates hundreds of
feet on circular scale with center
graduations of 50 ft
(3) Barometric set window and knob
(4) Pointer
(5) CODE OFF flag indicates 28 VDC
generator bus power failure to that
altimeter
3.
Controls/switches/indicators: barometric
set knob used to set local barometric
pressure in window (system has remote
calibration screw for maintenance use)
4.
Subsystem interfaces: both altimeters use
same pitot static system inputs
a.
Power: 28 VDC generator bus
NOTE: Powers vibrator to eliminate
pointer friction error and to allow output
of IFF Mode C.
b.
Forward altimeter provides Mode C
altitude information to IFF; aft cockpit
IFF encoder is disabled
B.
Mach/airspeed indicator
Sg 2, fr 3
1.
Location: both instrument panels, left
of ADI
2.
Function: provides airspeed from 50 to
580 KIAS and Mach number from 0.3 to 1.2
MACH/AIRSPEED INDICATOR
(8-03) Original
Page 19-4
Previous Page
