(a)

Fitter. — The first period of the course is devoted to acquiring the requisite basic knowledge and skill of hand; the second to applying and extending this skill and knowledge in the running and maintenance of engines used in aircraft and mechanical transport, or the rigging, repair and maintenance of airframes. On successful completion of the course an apprentice is posted to a unit where he exercises his trade under skilled supervision. After a period of satisfactory service at a unit he receives a further advanced course to fit him for supervisory duties and to enable him to undertake the more advanced duties in workshops in connection with the repair of airframes and engines.

(b)

Fitter (Armourer). — The course in this trade is designed to fit an apprentice to undertake the care, maintenance, overhaul, repair and testing of all small arms, machine guns, cannon, gun firing and cocking devices, power operated gun turrets, gun mountings, bombs and bombing equipment and other armament equipment used in the Royal Air Force.

(c)

Radio Mechanic (Air). — These tradesmen are required for the installation, setting up, inspection, testing, fault diagnosis, servicing and repair of airborne wireless and radar equipments and the construction, installation and servicing of aircraft aerial systems. They will also be required to operate the above equipments for functional tests and to transmit and receive morse signals correctly at a minimum speed of 8 words per minute, in accordance with R.A.F. procedure.

(d)

Radio Mechanic (Ground). — These tradesmen are required for the installation, setting up, inspection, testing, fault diagnosis, servicing and repair of ground wireless and radar equipments including high-speed automatic W/T and field telephones; the construction and servicing of land lines associated with the latter and the construction, installation and servicing of aerials and feeders and the daily servicing of teleprinters. They will also be required to operate the above equipment for functional testing and to transmit and receive morse signals correctly at a minimum speed of 8 words per minute in accordance with R.A.F. procedure.

(e)

Electrician. — Instruction in this trade covers installation, overhaul, repair, testing, maintenance, and major inspection of all electrical equipment in use in the Royal Air Force (excluding radio equipment and instruments appropriate to the radio and instrument tradesmen and such electrical equipment as is directly installed and maintained by the airfield construction service).

(f)

Instrument maker. — Instruction in this trade covers the maintenance and repair of . instruments, cameras, bomb-sights, etc.