Uniforms of His Royal Air Force
Numbered orders of dress
No. 1 (Ceremonial)
No. 1 is the formal uniform worn by His Royal Air Force. It consists of an air force blue coloured tunic and trousers, black tie, and sky blue shirt. A peaked cap is worn with this uniform. It is worn with medals, and while armed.
No. 1A (Ceremonial, Undress)
No. 1A is the formal uniform worn by His Royal Air Force. It consists of an air force blue coloured tunic and trousers, black tie, and sky blue shirt. A peaked cap is worn with this uniform. It is worn with medals, and while unarmed. It is equivalent to No. 1 for males, however, females may exchange the pants and shoes for an air force blue skirt, neutral hose, and black polished heels.
No. 1B (Service)
No. 1B is almost equivalent to No. 1A – and by extension, No. 1 for males – where ribbon bars replace medals, shoulder boards are removed, and a tunic belt is worn.
No. 2A (Barrack)
No. 2A is known as the barrack uniform and consists of air force blue trousers and shoes, or skirt with hose and heels, a sky blue shirt fully buttoned, a black tie, with an air force blue wool pullover.
No. 2B (Service, warm climate)
No. 2B is equivalent to No. 2A, less the pullover. It is worn in warm climates, where the tunic would be too hot.
No. 2C (Service, hot climate)
No. 2B is equivalent to No. 2A, less the pullover and tie, and the shirt is replaced with the short-sleeve equivalent. It is worn in hot climates, where the tunic would be too hot, and a tie with a long sleeve shirt would be too stuffy.
No. 3 (Flying)
No. 3 consists of a wool beret, an optional blue T-shirt, and a blue flying suit.
No. 4 (Mess)
No. 4 is the mess kit uniform, and consists of air force blue pant, a white shirt and black bowtie, a air force blue cummerbund for other ranks or an air force blue waistcoat for non-commissioned officers and commissioned officers. An air force blue mess coat is worn over top. No cap is worn with this order, unless the member will spend time outdoors, where a peaked cap is worn while wearing this uniform. If No. 4W is called, the waistcoat and mess coat is replaced with a white version of the same pattern.
No. 5 (Full, temperate)
This uniform is equivalent to Full dress, except where the jacket and pants are replaced with a white version without collar embellishments, or sleeve braid. Shoulder boards were worn instead.
No. 6 (Service, tropical)
No. 6A (Service, tropical) uniform is equivalent to No. 1B, except where the jacket, shirt, and pants are replaced with a khaki version, 6B and 6C are equivalent to a khaki 2B or khaki 2C.
This uniform consists of a single-breasted jacket in air force blue with a stand-up collar. Rank was indicated in gold braid on the lower sleeve and white gloves were worn. A 1921 pattern Royal Air Force busby is worn.