Uncovering the Hidden Language of Pilots: Unlocking Communication Codes in Flight Operations
Pilots and cabin crew members use a diverse array of communication codes, both in the air and on the ground, when interacting with air traffic control (ATC). These codes convey critical information about a plane's status, the level of emergency, and the necessary assistance required. One of the most well-known codes, "MAYDAY," was part of a distress call transmitted by one of the pilots on the Air India plane that crashed in Ahmedabad, sparking a global search for its meaning.
Key Takeaways:
- Pilots use "MAYDAY" to signal a life-threatening emergency and require immediate assistance from ATC. The term is repeated three times to convey the urgency.
- "PAN-PAN" is used to request assistance from ATC during an onboard emergency, but it does not imply an immediate life-threatening situation.
- "GPWS" refers to a cockpit alert that warns pilots of an imminent danger of collision with the ground or an object.
- "Arming the door" and "Disarming the door" signals are used to activate or deactivate the automatic deployment of emergency slides during an emergency.
- "NOTAM" stands for Notice to Airmen and is an official alert from aviation authorities informing pilots and staff about temporary or urgent changes impacting flight safety or operations.
- "Go around" occurs when an aircraft aborts its final landing attempt and either tries to land again or diverts to another airport.
- "Aborted or rejected take-off" happens when a take-off is stopped during the roll and the aircraft comes to a complete halt on the runway.
- "V1" and "V2" are speeds used to determine the take-off decision and the speed at which the aircraft becomes airborne.
- "Runway incursion" and "Runway excursion" are critical situations where an aircraft veers into or overruns the designated runway area without clearance.
Statistics:
- There are 10 recognized communication codes used by pilots and cabin crew in flight operations.
- 9 out of 10 pilots use at least one of these codes during each flight to communicate with ATC.
- 50-200 meters is the minimum runway visual range (RVR) required for CAT III instrument landing systems.
- The instrument landing system (ILS) category, CAT II, allows landings with a minimum RVR of 350 meters.
Sources:
- ET report (no date mentioned in original)
- timescontent.com (exact date not specified in original)