| J1 to J250 | Dolphin | |
| J251 to J300 | Vimy | |
| J301 to J400 | Sopwith Snipe | |
| J401 to J450 | DH.9A | |
| J451 to J550 | Sopwith Snipe | |
| J551 to J600 | DH.9A | |
| J601 to J650 | FE.2b | |
| J651 to J730 | Sopwith Snipe | |
| J731 to J1230 | Avro 504K | |
| J1231 to J1930 | Bristol F.2B | |
| J1931 to J1933 | Bristol Badger I | |
| J1934 | Handley Page O/400 | |
| J1935 to J1936 | Handley Page V/1500 | |
| J1936 | DH.15 | Not built, compromised previous allocation |
| J1937 | DH.15 | |
| J1938 to J1939 | DH.14 | |
| J1940 | DH.14A | |
| J1941 to J1990 | Vimy | |
| J1991 | Bristol SSF3 | |
| J1992 to J2141 | Martinsyde F.4 Buzzard | |
| J2142 to J2241 | Avro 504K | |
| J2242 to J2291 | Handley Page O/400 | |
| J2292 to J2391 | Bristol F.2B | |
| J2392 to J3341 | Sopwith Snipe | Canx |
| J2403 to J2417 | Nieuport Nighthawk | Re-allocated serials |
| J3342 to J3541 | Martinsyde F.4 Buzzard | |
| J3542 to J3616 | Handley Page O/400 | |
| J3617 to J3916 | Sopwith Dragon | |
| J3917 to J3991 | Sopwith Snipe | |
| J3992 to J4091 | Avro 504K | |
| J4092 to J4591 | Sopwith Snipe | |
| J4592 to J5091 | Reserved | |
| J5092 to J5191 | Avro 504K | |
| J5192 to J5491 | DH.9A | |
| J5492 to J5591 | Avro 504K | |
| J5592 to J5891 | Martinsyde F.4 Buzzard | |
| J5892 to J6491 | Salamander | |
| J6492 | Bristol Badger II | |
| J6493 to J6522 | Sopwith Snipe | |
| J6523 to J6573 | Handley Page V/1500 | |
| J6574 to J6576 | Handley Page O/400 | |
| J6577 | Westland Weasel | |
| J6578 | Handley Page O/400 | |
| J6579 to J6580 | BAT FK.23 | |
| J6581 to J6582 | Westland Wagtail | |
| J6583 | Siskin III | |
| J6584 | Boulton & Paul P.15 Bolton | |
| J6585 | Armstrong Whitworth Tadpole | |
| J6586 to J6800 | Bristol F.2B Fighter Mk.II | |
| J6801 to J6848 | Nieuport Nighthawk | |
| J6849 to J6850 | DH.29 | |
| J6851 | Westland Limousine III | |
| J6852 | Avro Aldershot Mk.IV | |
| J6853 | Avro Aldershot Mk.I | |
| J6854 | Short Silver Streak | |
| J6855 | Vickers Vernon | |
| J6856 to J6857 | Vickers Virginia | |
| J6858 to J6859 | Armstrong Siddeley Sinai | |
| J6860 to J6861 | Vickers Victoria | |
| J6862 to J6863 | Parnall Possum | |
| J6864 to J6893 | Vickers Vernon I | |
| J6894 to J6895 | DH.27 | |
| J6896 | Avro 504K | |
| J6897 to J6898 | Armstrong Whitworth Awana | |
| J6899 to J6900 | DH.18B | |
| J6901 to J6903 | Bristol Bullfinch | |
| J6904 to J6905 | Vickers Vernon | |
| J6906 | Handley Page HP.17 | Converted from DH.9A H9140 |
| J6907 to J6909 | Fairey Fawn | |
| J6910 to J6911 | Boulton & Paul P.12 Bodmin | |
| J6912 to J6913 | Bristol Type 37 | |
| J6914 | Handley Page HP.20 | Converted from DH.9A F1632 |
| J6915 to J6917 | DH.30 | |
| J6918 to J6920 | Hawker Duiker | |
| J6921 to J6923 | Armstrong Whitworth Wolf | |
| J6924 | Vickers Type 62 | |
| J6925 to J6929 | Nieuport Nighthawk | |
| J6930 to J6941 | Nieuport Nightjar | |
| J6942 to J6956 | Avro Aldershot III | |
| J6957 to J6968 | DH.9A | |
| J6969 to J6971 | Nieuport Nighthawk | |
| J6972 | Nieuport Nightjar | |
| J6973 | English Electric Wren | |
| J6974 to J6975 | Short Springbok I | |
| J6976 to J6980 | Vickers Vernon | |
| J6981 to J6983 | Siskin III | |
| J6984 to J6985 | Boulton & Paul P.25 Bugle I | |
| J6986 | Westland Dreadnought Postal Monoplane | f/f 03/05/1925, w/o 03/05/1925 |
| J6987 to J6988 | Hawker Woodcock | |
| J6989 | Hawker Heron | |
| J6990 to J6991 | Fairey Fawn II | |
| J6992 to J6993 | Vickers Virginia IIIDC | |
| J6994 | Hyderabad | |
| J6995 to J6996 | Hawker Duiker | |
| J6997 | Bristol Type 79 | |
| J6998 to J7003 | Siskin III | |
| J7004 | Bristol Type 36 | |
| J7005 to J7007 | DH.42 | |
| J7008 to J7127 | DH.9A | |
| J7128 | Peyret Tandem Glider | |
| J7129 to J7132 | Vickers Virginia III | |
| J7133 to J7144 | Vickers Vernon | |
| J7145 to J7181 | Siskin III | |
| J7182 to J7231 | Fairey Fawn | |
| J7232 | Junkers F.13 | |
| J7233 | Handley Page HP.22 | |
| J7234 | Gloster Bamel I | |
| J7235 | Boulton & Paul P.25 Bugle I | |
| J7236 to J7237 | Bristol Type 84 | |
| J7238 to J7247 | Vimy IV | |
| J7248 | Bristol Type 84 | |
| J7249 to J7258 | DH.9A | |
| J7259 to J7260 | Boulton & Paul P.25 Bugle | |
| J7261 to J7264 | Avro Andover | |
| J7265 | Handley Page HP.23 | |
| J7266 to J7267 | Boulton & Paul P.25A Bugle II | |
| J7268 to J7273 | DH.53 | |
| J7274 to J7275 | Vickers Virginia IV | |
| J7276 | Dornier Komet | |
| J7277 to J7282 | Vickers Type 94 | |
| J7283 to J7294 | Gloster Grebe II | |
| J7295 to J7300 | Short Springbok II | |
| J7301 | Avro 504N | |
| J7302 to J7321 | DH.9A | |
| J7322 | Avro Type 560 | |
| J7323 to J7324 | Parnall Pixie | |
| J7325 to J7326 | DH.53 | |
| J7327 to J7356 | DH.9A | |
| J7357 to J7402 | Gloster Grebe II | |
| J7403 to J7405 | Bristol Type 90 | |
| J7406 to J7417 | Gloster Grebe | |
| J7418 to J7439 | Vickers Virginia V | |
| J7440 to J7454 | Vimy IV | |
| J7455 to J7496 | Flycatcher | |
| J7497 | Gamecock | |
| J7498 to J7500 | Handley Page HP.28 | |
| J7501 to J7503 | Gloster Gorock | |
| J7504 to J7505 | Gloster II | |
| J7506 | ANEC 1 | |
| J7507 | Breguet 19 | |
| J7508 to J7510 | Westland Yeovil | |
| J7511 | Hawker Horsley | |
| J7512 to J7517 | Hawker Woodcock II | |
| J7518 | Raynham Monoplane | |
| J7519 to J7538 | Gloster Grebe III | |
| J7539 to J7548 | Vickers Vernon III | |
| J7549 to J7554 | Siskin III | |
| J7555 to J7556 | Avro 504K | |
| J7557 | Beardmore Inflexible | |
| J7558 to J7567 | Vickers Virginia VI | |
| J7568 to J7603 | Gloster Grebe | |
| J7570 | Bristol F.2B Mk.II | Serial compromised one previously issued to a Gloster Grebe |
| J7592 to J7595 | Hawker Woodcock II | Serials allocated in error, compromising some Gloster Grebes |
| J7604 to J7615 | DH.9A | |
| J7616 to J7699 | Bristol F.2B Mk.II | |
| J7700 | DH.9A | |
| J7701 to J7705 | Vimy II | |
| J7706 to J7720 | Vickers Virginia VI | |
| J7721 | Hawker Horsley | |
| J7722 to J7723 | Gloster Guan | |
| J7724 to J7737 | Hawker Woodcock II | |
| J7738 to J7752 | Hyderabad | |
| J7753 to J7755 | Armstrong Whitworth Ape | |
| J7756 to J7757 | Gamecock | |
| J7758 to J7764 | Siskin III | |
| J7765 to J7766 | Westland Westbury | |
| J7767 | Bristol Type 95 | |
| J7768 to J7779 | Fairey Fawn III | |
| J7780 to J7781 | DH.56 | |
| J7782 | Hawker Hornbill | |
| J7783 | Hawker Woodcock | |
| J7784 to J7786 | Gloster Grebe | |
| J7787 to J7819 | DH.9A | |
| J7820 to J7822 | Siskin III | |
| J7823 to J7890 | DH.9A | |
| J7891 to J7920 | Gamecock I | |
| J7921 to J7935 | Vickers Victoria III | |
| J7936 to J7937 | Boulton & Paul P.31 Bittern | |
| J7938 to J7939 | Boulton & Paul P.29 Sidestrand | |
| J7940 | Gloster Goldfinch | |
| J7941 to J7958 | Fairey Fox | |
| J7959 | Gamecock | |
| J7960 to J7977 | Hawker Woodcock | |
| J7978 to J7985 | Fairey Fawn III | |
| J7986 | Fokker F.VIIA/3m | |
| J7987 to J8026 | Hawker Horsley I | |
| J8027 to J8028 | Armstrong Whitworth Starling | |
| J8029 | Avro 504K | |
| J8030 to J8032 | DH.60 Moth | |
| J8033 to J8047 | Gamecock I | |
| J8048 to J8060 | Siskin IIIA | |
| J8061 to J8066 | Vickers Victoria IIIA | |
| J8067 | Pterodactyl IA | |
| J8068 | Avro Type 574 | |
| J8069 to J8095 | Gamecock I | |
| J8096 to J8225 | DH.9A | |
| J8226 to J8235 | Vickers Victoria III | |
| J8236 to J8241 | Vickers Virginia VII | |
| J8242 to J8291 | Bristol F.2B Mk.IIIA | |
| J8292 to J8316 | Hawker Woodcock II | |
| J8317 to J8324 | Hyderabad | |
| J8325 | Hawker Harrier | |
| J8326 to J8330 | Vickers Virginia VIII | |
| J8331 to J8380 | Avro 504K | |
| J8381 to J8404 | Siskin IIIA | |
| J8405 to J8422 | Gamecock I | |
| J8423 to J8427 | Fairey Fox | |
| J8428 | Siskin IIIA | |
| J8429 to J8458 | Bristol F.2B Mk.III | |
| J8459 | Boulton & Paul P.33 Partridge | |
| J8460 to J8494 | DH.9A | |
| J8495 | Wapiti | |
| J8496 to J8595 | Avro 504N | |
| J8596 | Westland Witch | |
| J8597 to J8621 | Hawker Horsley III | |
| J8622 | Handley Page HP.34 Hare | |
| J8623 to J8672 | Siskin IIIA | |
| J8673 | Gloster G.22 Goral | |
| J8674 | Gloster G.25 Goring | |
| J8675 | Armstrong Whitworth Atlas | |
| J8676 to J8775 | Avro 504N | |
| J8776 | Hawker Hawkfinch | |
| J8777 to J8801 | Armstrong Whitworth Atlas 1 | |
| J8802 to J8803 | Armstrong Whitworth Ajax | |
| J8804 | Gamecock II | |
| J8805 to J8815 | Hyderabad | |
| J8816 to J8821 | DH.60 Cirrus Moth | |
| J8822 to J8905 | Siskin IIIA | |
| J8906 | Vickers Vellore I | |
| J8907 to J8914 | Vickers Virginia IX | |
| J8915 to J8929 | Vickers Victoria III | |
| J8930 | Cierva C.8 | |
| J8931 | Cierva C.9 | |
| J8932 | Hawker Horsley | |
| J8933 to J8974 | Siskin IIIA | |
| J8975 to J9024 | Avro 504N | |
| J9025 to J9028 | Fairey Fox | |
| J9029 | Wibault 12c2 | |
| J9030 to J9036 | Handley Page Hinaidi | |
| J9037 | Armstrong Whitworth Aries | |
| J9038 | Cierva C.10 | |
| J9039 to J9050 | Armstrong Whitworth Atlas 1 | |
| J9051 | Bristol Bullpup | |
| J9052 | Hawker Hart | |
| J9053 to J9077 | Fairey IIIF Mk.IV | |
| J9078 to J9102 | Wapiti I | |
| J9103 to J9121 | DH.60X | |
| J9122 | Vickers Jockey | |
| J9123 | Hawker Interceptor | |
| J9124 | Westland F20/27 | |
| J9125 | Gloster SS.18 | |
| J9126 | Handley Page HP.35 | |
| J9127 | DH.65 | |
| J9128 | Armstrong Whitworth Ajax II | |
| J9129 | Armstrong Whitworth Atlas | |
| J9130 | Heyford | |
| J9131 | Vickers Vannock I | |
| J9132 to J9174 | Fairey IIIF Mk.IV | |
| J9175 | Avro 504R | |
| J9176 to J9181 | Boulton & Paul P.29 Sidestrand III | |
| J9182 | Avro Avian IIIA | |
| J9183 | Avro Antelope | |
| J9184 | DH.72 | |
| J9185 to J9189 | Boulton & Paul P.29 Sidestrand III | |
| J9190 to J9236 | Siskin IIIA | |
| J9237 to J9246 | Wapiti II | |
| J9247 | Wapiti IIA | |
| J9248 | Gamecock | |
| J9249 | Avro 613 | |
| J9250 | Vickers Victoria IV | |
| J9251 | Pterodactyl | |
| J9252 | Westland Wizard | |
| J9253 to J9292 | Avro 504N | |
| J9293 to J9303 | Hyderabad | |
| J9304 to J9379 | Siskin IIIA | |
| J9380 to J9414 | Wapiti IIA | |
| J9415 to J9434 | Avro 504N | |
| J9435 to J9477 | Armstrong Whitworth Atlas | |
| J9478 | Handley Page Hinaidi II | |
| J9479 | Fairey Long Range Monoplane | |
| J9480 | Bristol Bulldog II | |
| J9481 to J9514 | Wapiti IIA | |
| J9515 | Fairey Fox | |
| J9516 to J9564 | Armstrong Whitworth Atlas I | |
| J9565 | Westland COW Gun Fighter | |
| J9566 | Vickers 161 | |
| J9567 to J9591 | Bristol Bulldog II | |
| J9592 to J9636 | Wapiti IIA | |
| J9637 to J9681 | Fairey IIIF Mk.IV | |
| J9682 | Hawker Fury | |
| J9683 to J9707 | Avro 504N | |
| J9708 to J9724 | Wapiti IIA | |
| J9725 to J9759 | Wapiti IIV | |
| J9760 to J9766 | Vickers Victoria V | |
| J9767 to J9770 | Boulton & Paul P.29 Sidestrand III | |
| J9771 | DH.77 | |
| J9772 to J9782 | Hawker Tomtit | |
| J9783 | Avro Avian IVM | |
| J9784 to J9831 | Fairey IIIF Mk.IV | |
| J9832 | Gloster Goshawk | |
| J9833 | Handley Page HP.43/51 | |
| J9834 | Fairey Fox IIM | |
| J9835 to J9871 | Wapiti IIA | |
| J9872 to J9896 | Siskin IIIA | |
| J9897 to J9911 | Siskin IIIB | |
| J9912 to J9921 | Siskin IIIA | |
| J9922 to J9932 | DH.60G | |
| J9933 to J9947 | Hawker Hart | |
| J9948 to J9949 | Handley Page HP.35 | |
| J9950 | Boulton & Paul P.32 | |
| J9951 to J9999 | Armstrong Whitworth Atlas I |