Senior Aircraftman or Senior Aircraftwoman (SACW), is a rank in the Royal Air Force

Royal Air Force

The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...

, ranking between Leading Aircraftman

Leading Aircraftman

Leading aircraftman Leading aircraftman (LAC) Leading aircraftman (LAC) (or leading aircraftwoman (LACW) is a rank in some air forces, between aircraftman and senior aircraftman and having a NATO rank code of OR-2. The rank badge is a horizontal two-bladed propeller....

 and Senior Aircraftman Technician

Senior Aircraftman Technician

Senior aircraftman technician is a rank in the Royal Air Force, ranking between senior aircraftman and corporal and having a NATO rank code of OR-2. It is also subordinate to the Army and RAF Regiment rank of lance corporal, although SACs and junior technicians require a Corporal rank or above to...

 (SAC(T)) (although SACs in non-technical trades progress directly to Corporal

Corporal

Corporal is a rank in use in some form by most militaries and by some police forces or other uniformed organizations. It is usually equivalent to NATO Rank Code OR-4....

) and having a NATO rank code of OR-2. The rank, which is non-supervisory, was introduced on 1 January 1951. The rank badge is a three-bladed propeller

Propeller (aircraft)

Aircraft propellers or airscrews convert rotary motion from piston engines or turboprops to provide propulsive force. They may be fixed or variable pitch. Early aircraft propellers were carved by hand from solid or laminated wood with later propellers being constructed from metal...

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Senior Aircraftman/Aircraftwoman (Technician)

From March 2005, SACs in technical trades who had attained the Operational Performance Standard were promoted to Senior Aircraftman Technician

Senior Aircraftman Technician

Senior aircraftman technician is a rank in the Royal Air Force, ranking between senior aircraftman and corporal and having a NATO rank code of OR-2. It is also subordinate to the Army and RAF Regiment rank of lance corporal, although SACs and junior technicians require a Corporal rank or above to...

 SAC(T) and given a new badge of rank, consisting of the three-bladed propeller inside a circle. This new rank was introduced, to distinguish airmen trained to work unsupervised from those who were not, and is equivalent to the old Junior Technician

Junior Technician

Junior Technician is a junior non-commissioned rank in the Royal Air Force and the Pakistan Air Force. In the RAF it ranks equal to Senior Aircraftman Technician , above Senior Aircraftman and below Corporal and has a NATO rank code of OR-2...

rank.