IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This instrument, manufactured by Lear ...

[Ken] recently obtained an attitude indicator—sometimes called an artificial horizon—from an F-4 fighter jet. Unlike some indicators, the F-4’s can rotate to show pitch, roll, and yaw, so it moves in ...

A AC -- Advisory circular ACARS -- Airline communications addressing and reporting system ACAS -- Aircraft collision avoidance system ADC -- Air data computer ADI -- Attitude direction indicator ADS - ...