Standby Altimeter
The mechanical standby altimeter is a panel mounted, direct reading altitude indicator. This silent companion provides the pilot with the traditional mechanical display that can be relied on to get home should all else fail.
The instrument's two (2) aneroid capsules sense the static air pressure external to the aircraft and show the altitude in feet on the counter pointer display
Barometric Adjustment Display: single counter in inches-Hg, mB, or HPA
Barometric range: 28.10 to 30.99 in.-hg. 950 to 1050 MB