Originally Posted by
Lima Juliet
Chug, your insistence to keep calling a flying badge a brevet just reinforces your errant point of view. A brevet is a certificate, ticket or diploma - .
If I may quote myself from the 'Observer' thread in 2012
Interestingly MOD call the
Pilots wings a 'Badge' and the
rear crew wing a 'Brevet' 
Qualification Badges
0712. Flying & Parachute Badges. This section deals with those flying badges (QR J727 & 728) and Parachute badges (QR 434 436)
currently in issue
BADGE DESCRIPTION
Pilot. Wings of drab silk embroidery with monogram 'RAF' in centre, surrounded by laurel leaf of brown silk and
surmounted by a crown on dark blue melton cloth.
Navigator. The letter 'N' of drab silk surrounded by a laurel leaf of brown silk with an outspread drab silk wing 2½" (6.35 cm)
long on dark blue melton cloth.
Air Electronics Officer ]
or Operator (AE) ] As for Navigator, but with alternative letters, in brackets. (See Note)
Air Engineer (E) ]
Air Loadmaster (LM) ]
Note. With effect 1 Apr 03 the range of 5 aircrew brevets for rear crew personnel were replaced by the single rear crew brevet (see below).
Those aircrew who were already qualified to wear old style individual brevets can opt to wear the new brevet or retain the old style but there will
be no further provisioning of the current brevet.
Rear Aircrew Brevet. The monogram RAF in drab silk surrounded by a laurel leaf of brown silk, surmounted by a crown with an
outspread drab silk wing 2½" (6.35 cm) long on dark blue melton cloth. Introduced 1 Apr 03 to replace
Navigator, Air Electronics Officer/Operator, Air Engineer and Air Loadmaster. (See Note Above).
Fighter Controller (FC). The letters FC of drab silk surrounded by a laurel leaf of brown silk with an outspread drab silk wing 2½" (6.35
cm) long on dark blue melton cloth.
Airborne Technician (AT). The letters AT of drab silk surrounded by a laurel leaf of brown silk with an outspread drab silk wing 2½" (6.35
cm) long on dark blue melton cloth.