T-45C TS, ADV & IUT ENG-19
Flight Instruments
II.
Pitot static system major components
Sg 2, fr 2
Lesson Organization
FLIGHT INSTRUMENTS
Drum
* Flight instrument system
Counter
major components
Thousand
* Pitot static system major
components
* Angle of attack (AOA)
major components
Drum Counter
Hundreds, Tens
* Independent instruments
Ten Thousand
and Units Fixed at 0
* Aircraft interfaces
0
1
9
Sg 2, fr 3
0000
Pointer
2
Fig 4: Standby
Barometric Altimeter
7
ALT
3
IN HG
6 2992 4
Barometric
Set Window
Barometric
Set Knob
Figure 4: STANDBY BAROMETRIC ALTIMETER
A.
Standby barometric altimeter
1.
Location: left instrument panel, both cockpits
2.
Function: provides standby altitude information from
-1,000 to 50,000 ft MSL
a.
Information from aneroid capsule assembly
drives needle and altitude drum counter
b.
Consists of gauge assembly containing:
(1) Counter displays ten thousand and
thousands of feet, hundreds of feet fixed
at 000
(2) Rotating pointer indicates hundreds of feet
on circular scale with center graduations of
50 ft
Original (9-98)
Page 19-12
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