. Que en ▁Mary ▁- ▁Lar ge ▁tra iler ▁used ▁to ▁transport ▁aircraft ▁or ▁their ▁parts . Que ens ▁E y eb rows ▁- ▁You ▁will ▁sh ave ▁your ▁own ▁e y eb rows ▁off ▁as ▁a ▁pun ishment . ▁U sed ▁in ▁conj unction ▁with ▁" Double ▁Gen " ▁and ▁similar ▁to ▁" Rob oc op ". Q FE , ▁Q N H ▁ ▁- ▁C odes ▁for ▁alt imeter ▁settings . ▁( examples ▁of ▁the ▁Q ▁code ▁system , ▁originally ▁mor se ▁for ▁ships ). Q FI ▁( ab bre viation ) ▁- ▁Qual ified ▁F lying ▁Inst ruct or ▁( fixed ▁wing ). ▁( A ▁rot ary ▁wing ▁instruct or ▁becomes ▁a ▁Q HI ). ▁ ▁R AF ▁Q FI ' s ▁are ▁above ▁average ▁experienced ▁pil ots ▁who ▁have ▁completed ▁the ▁relevant ▁advanced ▁courses ▁with ▁the ▁R AF s ' ▁C FS . ▁ ▁Q FI ' s ▁ear n ▁a ▁specific ▁instruct or ▁category ▁( cat ), ▁r anging ▁from ▁the ▁lowest ▁of ▁B 2 , ▁to ▁B 1 , ▁A 2 , ▁and ▁the ▁rarely ▁awarded ▁A 1 ▁cat . Q R ' s ▁- ▁Queen ' s ▁Reg ulations Q SL ▁- ▁C oded ▁request ▁for ▁acknowled g ement ▁of ▁message ▁sent ▁- ▁usually ▁tele pr inter . ▁▁ ▁R ▁ ▁In cluded ▁are ▁the ▁World ▁War ▁II ▁' R ▁code ' ▁flight ▁and ▁attack ▁design ations : . RA F ▁Web end ▁- ▁A ▁fict ional ▁R AF ▁Station . ▁Your ▁negative ▁choice ▁of ▁posting