Evaluation of Digital Altimeter Setting Indicators.
Robert Frack, Ernest E. Schlatter, Jack Bernstein · Defense Technical Information Center (DTIC) · 1975
Altimeter setting values disseminated to the pilot are currently obtained from nonelectronic (aneroid) dial and pointer indicators. Electronic systems with potential for continuous sensing of ambient atmospheric pressure and subsequent conversion to altimeter setting values and remoting to multiple digital displays were tested for warmup, accuracy, temperature, line voltage, and stability. Data on the results obtained and the test procedures are presented.