AA.I.A.K13FAA-S-ACS-11A · Nov 2023Knowledge
Pitot-static system–associated instruments and the power source for those flight instru...
Pitot-static system–associated instruments and the power source for those flight instruments. Operation and power sources for other flight instruments.
Bottom line
The pitot-static system supplies the pressure that operates the airspeed indicator, the vertical speed indicator (VSI), and the altimeter. Blockage of the pitot-static system adversely affects instrument operation. If a pitot-static system malfunction is suspected, the pilot should confirm it by opening the alternate static source, and this should be done while the airplane is climbing or descending.
FAA references
- AFH ch. 18 (pp. 18-14–18-15) — FAA-H-8083-3C
- AFH ch. 13 (p. 13-9) — FAA-H-8083-3C
- AC 91-78 ch. 20 , Electronic Aeronautical Chart Display. — AC No: 91-78A
- AC 120-76, paras. 10.3, 10.3.1, 10.3.2 — AC No: 120-76D
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