The mysterious high-altitude balloon spotted soaring the Western US Friday was simply a hobbyist device and has already left American airspace, according to a report.. Federal investigators ...

Altitude: All undefined airspace below 18,000 feet; everything above 60,000 feet. The upper fringes of airspace hold a lot of promise for pilotless craft.

John Kirby, a spokesman for the National Security Council, told reporters on Friday that President Biden ordered the military to down another object flying over U.S. airspace. Photo: Andrew Harrer ...

Question: How are flight altitudes determined? — Submitted by reader Mario B. Easley, S.C. Answer: The flight operator files a requested altitude, usually done by the flight dispatcher, based on ...

Canadian Prime Minister Justin Trudeau said he ordered the takedown of "an unidentified object that violated Canadian airspace." "Canadian and U.S. aircraft were scrambled, and a U.S. F-22 ...

• For flight in controlled airspace under IFR, altitude encoders must be tested and re-certified every two calendar years. [91.411(a)] • Encoders typically use a lot of electrical power.

Less than a week after the U.S. shot down a suspected Chinese spy balloon, the White House has confirmed a “high-altitude object” flying over Alaska airspace has been shot down, NBC News reports.

Following an update to Altitude Angel’s airspace data processing, it now publishes the Remarks for all ‘Danger, Prohibited and Restricted Areas.’ These are supplied by the relevant authority and ...