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Non-discrete mode A code reserved use in mode S radar/ADS-B environment where the aircraft identification will be used to correlate the flight plan instead of the mode A code. [1] US: Used exclusively by ADS-B aircraft to inhibit mode 3A transmission. [3] US: Non-discrete code assignments in accordance with FAA Order JO 7110.65, 5-2.
The civilian aircraft frequency for voice distress alerting is 121.5 MHz. Military aircraft use 243 MHz (which is a harmonic of 121.5 MHz, and therefore civilian beacons transmit on this frequency as well). Aircraft can also signal an emergency by setting one of several special transponder codes, such as 7700.
The Runway Awareness and Advisory System (RAAS) is an electronic detection system that notifies aircraft flight crews on the ground of their position relative to their allocated runway. It is a type of Runway Situation Awareness Tool (RSAT). [1]
Scripps News spoke with aviation expert Kit Darby who explained why certain technologies may have been disabled before the deadly crash near Reagan National Airport on Wednesday.
This is often used by the controller to locate the aircraft amongst others by requesting the ident function from the pilot, e.g., "Cessna 123AB, squawk 0363 and ident". [ 6 ] [ 7 ] Ident can also be used in case of a reported or suspected radio failure to determine if the failure is only one way and whether the pilot can still transmit or ...
WASHINGTON (Reuters) -Air traffic control audio recorded the moments before and after an American Airlines regional passenger jet crashed with a U.S. Army Black Hawk helicopter in a midair ...
On Wednesday, an American Airlines passenger jet and a military helicopter collided near Ronald Reagan Washington National Airport, killing 67 people, the first fatal U.S. passenger airline crash ...
There is an airshow being held at Oshkosh airport with aircraft flying 5,000 feet and below within a 5 nautical mile radius. Avoidance is advised from 2000 UTC on July 15, 2007, until 2200 on July 15, 2007.