T-45C TS, ADV & IUT ENG-19
Flight Instruments
(3) Barometric set window and knob
3.
Controls/switches/indications: barometric set knob
used to set local pressure in window (system has
remote calibration screw for maintenance use)
4.
Subsystem interfaces: both standby altimeters use
same pitot static system inputs
a.
Power: 28 VDC generator bus vibrator power
b.
Forward standby altimeter provides barometric
pressure for the entire system and Mode C
altitude information to DEU then to IFF
B.
Standby airspeed indicator
Sg 2, fr 4
Fig 5: Standby
Airspeed Indicator
Movable
Needle
.6
8
7
1
6
5
4
KNOTS
1.5
x 100
3
Airspeed
2
Scale
Figure 5: STANDBY AIRSPEED INDICATOR
1.
Location: left instrument panel, both cockpits
2.
Function: provides standby airspeed from 60 to 850
KIAS
a.
Airspeed measures relationship between pitot
RAM pressure and static pressure
Original (9-98)
Page 19-13
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