Squadron leader

Squadron leader (Sqn Ldr in the RAF ; SQNLDR in the RAAF and RNZAF; formerly sometimes S/L in all services) is a commissioned rank in the Royal Air Force[1] and the air forces of many countries which have historical British influence. It is also sometimes used as the English translation of an equivalent rank in countries which have a non-English air force-specific rank structure.

Squadron leader
An RAF squadron leader's command flag
Shoulder and sleeve insignia of a squadron leader from the Royal Air Force
Service branchAir forces
AbbreviationSqn Ldr / SQNLDR
NATO rankOF-3
Non-NATO rankO-4
Formation1 April 1918 (1918-04-01) (RAF)
Next higher rankWing commander
Next lower rankFlight lieutenant
Equivalent ranks
Related articles
HistoryRoyal Naval Air Service
Comparative military ranks in English
Armies Navies Air forces
Commissioned officers
Field marshal or
General of the army		 Admiral of
the fleet		 Marshal of
the air force
General Admiral Air chief marshal
Lieutenant general Vice admiral Air marshal
Major general Rear admiral Air vice-marshal
Brigadier or
brigadier general		 Commodore Air commodore
Colonel Captain Group captain
Lieutenant colonel Commander Wing commander
Major or
commandant		 Lieutenant
commander		 Squadron leader
Captain Lieutenant Flight lieutenant
Lieutenant or
first lieutenant		 Lieutenant
junior grade or
sub-lieutenant		 Flying officer
Second lieutenant Ensign or
midshipman		 Pilot officer
Officer cadet Officer cadet Flight cadet
Enlisted grades
Warrant officer or
sergeant major		 Warrant officer or
chief petty officer		 Warrant officer
Sergeant Petty officer Sergeant
Corporal or
bombardier		 Leading seaman Corporal
Private or
gunner or
trooper		 Seaman Aircraftman or
airman

An air force squadron leader ranks above flight lieutenant and immediately below wing commander and it is the most junior of the senior officer ranks. The air force rank of squadron leader has a NATO ranking code of OF-3, equivalent to a lieutenant-commander in the Royal Navy or a major in the British Army or the Royal Marines. The equivalent rank in the Women's Auxiliary Air Force, Women's Royal Air Force (until 1968) and Princess Mary's Royal Air Force Nursing Service (until 1980) was "squadron officer".

Squadron leader has also been used as a cavalry command appointment (UK) and rank (France) since at least the nineteenth century. In Argentina it is used as a command appointment by both the army's cavalry and by the air force's flying units. The cavalry rank of squadron leader in France is also an OF-4 equivalent to a major, and the cavalry appointment of squadron leader in the UK generally corresponds to this rank as well.

Origins

The rank originated in the British Royal Air Force and was adopted by several other air forces which use, or used, the RAF rank system.

On 1 April 1918, the newly created RAF adopted its officer rank titles from the British Army, with Royal Naval Air Service lieutenant commanders and Royal Flying Corps majors becoming majors in the RAF. In response to the proposal that the RAF should use its own rank titles, it was suggested that the RAF might use the Royal Navy's officer ranks, with the word "air" inserted before the naval rank title. For example, the rank that later became squadron leader would have been air lieutenant commander. However, the Admiralty objected to this modification of their rank titles. The rank title squadron leader was chosen as squadrons were typically led by RAF majors and the term squadron commander had been used in the Royal Naval Air Service. The rank of squadron leader has been used continuously since 1 August 1919.

RAF usage

From 1 April 1918 to 31 July 1919, the RAF used major as the equivalent rank to squadron leader. Royal Naval Air Service lieutenant-commanders and Royal Flying Corps majors on 31 March 1918 became RAF majors on 1 April 1918. On 31 August 1919, the RAF rank of major was superseded by squadron leader which has remained in continuous usage ever since. Promotion to squadron leader is strictly on merit, and requires the individual to be appointed to a Career Commission, which will see them remain in the RAF until retirement or voluntary resignation.

Before the Second World War, a squadron leader commanded a squadron of aircraft. Today, however, a flying squadron is usually commanded by a wing commander, with each of the two flights under a squadron leader. However, ground-operating squadrons which are sub-divisions of a wing are ordinarily commanded by a squadron leader. This includes squadrons of the RAF Regiment and University Air Squadrons.

Insignia and command flag

The rank insignia consists of a thin blue band on a slightly wider black band between two narrow blue bands on slightly wider black bands. This is worn on both the lower sleeves of the tunic or on the shoulders of the flying suit or the casual uniform.

Squadron leaders are the lowest ranking officers that may fly a command flag. The flag may be depicted on the officer's aircraft or, should the squadron leader be in command, the flag may be flown from a flagpole or displayed on an official car as a car flag. If the squadron leader is in command of a numbered squadron, then the number of the squadron is also shown on the flag.

  • An RAF squadron leader's sleeve/shoulder insignia
  • An RAF squadron leader's sleeve mess insignia
  • An RAF squadron leader's sleeve on No.1 service dress uniform

Other air forces

The rank of squadron leader is also used in a number of the air forces in the Commonwealth, including the Bangladesh Air Force (BAF), Ghana Air Force, Indian Air Force (IAF), Namibian Air Force, Sri Lanka Air Force (SLAF), Pakistan Air Force (PAF), Royal Australian Air Force (RAAF), Nigerian Air Force (NAF), and Royal New Zealand Air Force (RNZAF). It is also used in the Egyptian Air Force, Hellenic Air Force, Royal Air Force of Oman the Royal Thai Air Force and the Air Force of Zimbabwe

The Royal Canadian Air Force (RCAF) used the rank until the unification of the Canadian Forces in 1968, when army-type rank titles were adopted. Canadian squadron leaders were retitled as majors. In official French Canadian usage, a squadron leader's rank title was commandant d'aviation. The Chilean Air Force equivalent rank, in Chilean Spanish, is comandante de escuadrilla or squadron commander.

  • An RAAF squadron leader's sleeve/shoulder insignia
  • A RNZAF squadron leader's sleeve/shoulder insignia
  • A Hellenic Air Force Episminagos (squadron leader's) rank insignia
  • An Indian Air Force squadron leader's rank insignia
  • A Namibian Air Force squadron leader's rank insignia
  • A RTAF squadron leader's rank insignia
  • A PAF squadron-leader's shoulder rank insignia.
  • A FACh squadron commander's shoulder rank insignia.
  • An EAF squadron leader's rank insignia.

Land forces

In the British Household Cavalry and Royal Armoured Corps, "squadron leader" is the title (but not the rank) often given to the commander of a squadron (company) of armoured fighting vehicles. The squadron leader is usually a major, although in the Second World War the post was often held by a captain.

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See also

References
  1. "Ranks and Badges of the Royal Air Force". Royal Air Force. 2007. Archived from the original on 9 July 2011. Retrieved 1 December 2007.
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