Warrant officer.

Chief petty officer,1st grade.

1. Chief master mechanic.

2. Master clerk.*

3. Sergeant major, 1st class.

Sergeant major, 1st class.

Quartermaster sergeant.

Chief petty officer, 2nd grade.

1. Master mechanic.

2. Master clerk.†

3. Sergeant major, 2nd class.

Sergeant major, 2nd class.

Flight sergeant.

Chief petty officer, 3rd grade.

Chief petty officer, aircraftman.

1. Chief mechanic.

2. Flight clerk.

3. Flight sergeant.

Flight sergeant.

Sergeant.

Petty officer.

Petty officer, aircraftman.

1. Sergeant mechanic.

2. Sergeant clerk.

3. Sergeant.

Sergeant.

Corporal.

Leading mechanic.

Leading aircraftman.

1. Corporal mechanic.

2. Corporal clerk.

3. Corporal.

Corporal.

Air mechanic, 1st class.

Air mechanic, 1st class.

1. Air mechanic, 1st class.

2. Clerk, 1st class.

3. Leading aircraftman.‡

Leading aircraftman.

Air mechanic, 2nd class.

Acting air mechanic, 1st class.

Aircraftman, 1st grade.

1. Air mechanic, 2nd class.

2. Clerk, 2nd class.

3.Private, 1st class.

Aircraftman, 1st class.

Air mechanic, 3rd class.

Air mechanic, 2nd class.

Aircraftman, 2nd grade.

1. Air mechanic, 3rd class.

2. Clerk, 3rd class.

3.Private, 2nd class.

Aircraftman, 2nd class.

* Re-named chief master clerk, 28th November, 1918.

† Introduced from 28th November, 1918.

‡ Inroduced 5th April, 1919. Appilicable to all privates, 1st Class, who were on that date in receipt of a daily rate of not less than 2s.

The above table and data is an extract from Air Ministry Weekly Order 109 of 1921, as reprinted in May 1923.