3 ms·
> Apparently on the old avionics in the helicopter, the altimeter is calibrated by manual entry of barometric pressure to the nearest 0.1 inch Hg. That's how i
by loeg 2y ago
> Apparently on the old avionics in the helicopter, the altimeter is calibrated by manual entry of barometric pressure to the nearest 0.1 inch Hg.
That's how it's done in all aircraft.
- rlpb 2y agoAll US aircraft. The rest of the world uses modern units :-)
- dghlsakjg 2y agoThe thoroughly modern Pascal system from the 1600s?
- rlpb 2y agoThe metric system. "The name pascal was adopted for the SI unit newton per square metre (N/m2) by the 14th General Conference on Weights and Measures in 1971"
- loeg 2y agoinHg, hPa, it doesn't change that the input is manual.