Mechanical altimeters, despite their ingenious design, are susceptible to various instrument errors including mechanical wear, scale inaccuracies, installation/position effects, and hysteresis, which ...

FAA regulations (FAR 91.411 and 91.413) mandate periodic recertification of pitot-static systems (for IFR operations) and transponders (for all aircraft), separate from annual inspections. These ...

Mid-Continent Instruments has received TSO certification and started delivering two new instruments, the MD15 two-in. altimeter and the MD25 two-in. airspeed indicator. “The MD15 altimeter and MD25 ...

NASA's 'ICESat-2' satellite, featuring a single-instrument laser altimeter payload, has launched from California's Vandenberg Air Force Base and is said to be "healthy" on arrival in orbit, with its ...