T-45A UJPT, E2-C2, ADV, & IUT Eng-19
Flight Instruments
e.
Interface with wheels warning system
lost upon loss of generator; actual
Mach/airspeed display is pneumatic/
mechanical and generator loss has no
effect
C.
Vertical speed indicator (VSI)
Sg 2, fr 4
1.
Location: both instrument panels, left of
ADI
2.
Function: provides indication of rate of
descent and rate of climb in feet per minute
(ft/min)
VERTICAL SPEED INDICATOR (VSI)
a.
Measures rate of change of static
pressure through conventional drum
mechanism with mechanical pointer
b.
Gauge with fixed dial calibrated from
0 to +/- 6,000 ft/min (both ascending
and descending)
3.
Controls/switches/indicators: none in
cockpit
4.
Subsystem interface: both indicators use
same pitot static system and provide lead-in
indications for altimeter movements
D.
Pitot tube
Sg 2, fr 5
1.
Location: nose of aircraft
2.
Function: provides ram air pressure and
static air pressure to pitot static system
3.
Controls/switches/indicators: PITOT HEAT
switch, on right console forward and
PITOT TUBE
outboard in fwd cockpit only, for ice
protection
Page 19-6
(8-03) Original
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