If you’ve ever seen the cockpit of an airplane, you’ve probably noticed the round ball that shows your attitude, and if you are like us, you’ve wondered exactly how the Attitude Direction Indicator ...

[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 ...

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 ...

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 - ...