Leading aircraftman (LAC) or leading aircraftwoman (LACW) is a junior rank in some

air force An air force – in the broadest sense – is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an ...

s. It sits between

aircraftman Aircraftman (AC) or aircraftwoman (ACW) is the lowest rank in the British Royal Air Force (RAF) and the air forces of several other Commonwealth countries. In RAF slang, aircraftmen are sometimes called "erks". Aircraftman ranks below leading ...

and senior aircraftman, and has a

NATO The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two N ...

rank code of OR-2. The rank badge is a horizontal two-bladed propeller. The rank was renamed air specialist (class 2) (AS2) in the Royal Air Force in July 2022.

History

The rank originated in the

Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...

, when it was formed in 1918. It replaced the

Royal Flying Corps "Through Adversity to the Stars" , colors = , colours_label = , march = , mascot = , anniversaries = , decorations ...

rank of air mechanic 1st class (which wore the same badge). It was only a trade classification until 1 January 1951, when it became a rank, although it is non-supervisory.

Countries

Australia

Leading aircraftman is also a rank in the

Royal Australian Air Force "Through Adversity to the Stars" , colours = , colours_label = , march = , mascot = , anniversaries = RAAF Anniversary Commemoration ...

(which uses a single chevron rather than a propeller device) where it is the senior aircraftman rank.

Bangladesh

Bangladesh Air Force The Bangladesh Air Force (BAF) ( bn, বাংলাদেশ বিমান বাহিনী, Bangladesh Biman Bahini) is the aerial warfare branch of the Bangladesh Armed Forces. The Air Force is primarily responsible for air defence of ...

Canada

It was a rank until 1968 in the

Royal Canadian Air Force The Royal Canadian Air Force (RCAF; french: Aviation royale canadienne, ARC) is the air and space force of Canada. Its role is to "provide the Canadian Forces with relevant, responsive and effective airpower". The RCAF is one of three environm ...

being replaced by the army rank of private after unification, which then in 2015 was replaced by aviator (basic).

Ghana

Ghana Air Force

India

Indian Air Force The Indian Air Force (IAF) is the air force, air arm of the Indian Armed Forces. Its complement of personnel and aircraft assets ranks third amongst the air forces of the world. Its primary mission is to secure Indian airspace and to conduct ...

New Zealand

In the

Royal New Zealand Air Force The Royal New Zealand Air Force (RNZAF) ( mi, Te Tauaarangi o Aotearoa, "The Warriors of the Sky of New Zealand"; previously ', "War Party of the Blue") is the aerial service branch of the New Zealand Defence Force. It was formed from New Zeal ...

, the rank is awarded after three years of service or completion of a senior trade course, whichever comes first. Leading air cadet (LAC) in the New Zealand Air Training Corps also uses the propeller badge. It is not technically a rank (although many units regard it as a very junior NCO rank), and may be awarded to cadets who have attended a minimum of thirty parades, or completed one year in a unit. The rank is generally awarded to those cadets who show obvious leadership skill.

Sri Lanka

Sri Lanka Air Force The Sri Lanka Air Force (SLAF) ( si, ශ්‍රි ලංකා ගුවන් හමුදාව, Śrī Laṃkā guwan hamudāva; ta, இலங்கை விமானப்படை, Ilaṅkai vimāṉappaṭai) is the air arm and the yo ...

Zimbabwe

Air Force of Zimbabwe.