What is an aircraft unusual situation?


What is an aircraft unusual situation? An abnormal situation is one in which it is no longer possible to continue the flight using normal procedures however the safety of the aircraft, or persons on board, or on the ground are not in danger.


What are the 5 distress signals?

The most important are: (1) visual signals, such as a flame, a red flare, an orange smoke signal, or a square flag displayed with a ball below; (2) sound signals, such as a gun or rocket fired at regular intervals, or a continuous sounding of a fog-signal apparatus; and (3) radio signals such as the Morse group SOS, ...


What is the most common plane emergency?

1 Syncope or near-syncope is the most commonly experienced in-flight medical problem, followed by respiratory symptoms and nausea or vomiting.


Why do planes squawk 7700?

The most well know of these is the code 7700. This is used to indicate an emergency of any kind. A pilot will enter this when in an emergency situation - either instructed by ATC after declaring an emergency or without communication if there is no time.


Why do pilots say Roger?

(In 1957, the English phonetic alphabet changed the R to Romeo, but by that time, Roger was deeply embedded in the minds of pilots.) So, in short, Roger means r which stands for received. The word Roger means nothing more.


What are the categories of aircraft emergencies?

Aircraft emergencies are broken down into three categories: Alert 1, Alert 2 and Alert 3. These categories are defined by the Federal Aviation Administration (FAA) to provide standard descriptions and terminology for aircraft emergencies.


What are the 5 types of stress on an aircraft?

The fuselage of an aircraft is subject the fives types of stress—torsion, bending, tension, shear, and compression.


Why do pilots say heavy?

The word heavy means a larger aircraft type, with a Maximum Takeoff Weight of 160 tonnes or more. These aircraft create wake turbulence from their wings and require extra separation between following aircraft, and the use of heavy reminds other pilots of that fact.