| C1 to C200 | Sopwith Camel | |
| C201 to C550 | Sopwith Pup | |
| C551 to C750 | Sopwith Camel | Order cancelled, serial numbers re-allocated |
| C551 to C750 | Avro 504 | |
| C751 to C1050 | Bristol F.2B Fighter | |
| C1051 to C1150 | SE.5a | |
| C1151 to C1450 | DH.9 | |
| C1451 to C1550 | Sopwith Pup | |
| C1551 to C1700 | Sopwith Camel | |
| C1701 to C1750 | BE.2e | |
| C1751 to C1950 | SE.5a | |
| C1951 to C2150 | DH.6 | |
| C2151 to C2230 | DH.9 | |
| C2231 to C3080 | RE.8 | |
| C3081 to C3280 | BE.12 | |
| C3281 to C3380 | Sopwith Camel | |
| C3381 to C3480 | Handley Page O/400 | |
| C3481 to C3530 | RE.8 | Order cancelled, serial numbers re-allocated |
| C3481 to C3483 | Grahame White Ganymede | |
| C3484 to C3486 | Nieuport BN.1 | |
| C3487 to C3498 | Handley Page O/400 | |
| C3499 | Maurice Farman S.11 | |
| C3500 to C3503 | Sopwith Pup | |
| C3504 | Allocation unknown | |
| C3505 | Avro 504 | |
| C3506 | DH.6 | |
| C3507 to C3706 | Armstrong Whitworth FK.8 | |
| C3707 to C3776 | Sopwith Pup | |
| C3777 to C4276 | Dolphin | |
| C4277 | Curtiss JN-3 | |
| C4278 | Maurice Farman S.11 | |
| C4279 | Maurice Farman S.7 | |
| C4280 | Reservation | |
| C4281 | DH.6 | |
| C4282 | RE.8 | |
| C4283 | DH.10 | |
| C4284 to C4289 | Sopwith Snail | |
| C4290 | Avro 504 | |
| C4291 to C4293 | Westland Wagtail | |
| C4294 | RE.8 | |
| C4295 | Sopwith Pup | |
| C4296 | Braemar I | |
| C4297 | Braemar II | |
| C4298 | Pullman | To G-EASP |
| C4299 | Avro 504 | |
| C4300 | Sopwith 1½ Strutter | |
| C4301 to C4500 | Avro 504J | |
| C4501 to C4540 | DH.4 | |
| C4541 to C4546 | Siskin | |
| C4547 | Vickers FB.14D | |
| C4548 | Bristol F.2B | |
| C4549 | Avro 504 | |
| C4550 | Armstrong Whitworth FK.8 | |
| C4551 to C4600 | RE.8 | |
| C4601 to C4900 | Bristol F.2B | |
| C4901 to C5025 | Bristol M.1C | |
| C5026 to C5125 | RE.8 | |
| C5126 to C5275 | DH.6 | |
| C5276 to C5300 | Caudron G.3 | |
| C5301 to C5450 | SE.5a | |
| C5451 to C5750 | DH.6 | |
| C5751 to C6050 | Avro 504J | |
| C6051 to C6350 | DH.9 | |
| C6351 to C6500 | SE.5a | |
| C6501 to C6700 | DH.6 | |
| C6701 to C6800 | Sopwith Camel | |
| C6801 to C6900 | DH.6 | |
| C6901 to C7200 | BE.2e | |
| C7201 to C7900 | DH.6 | |
| C7901 to C8000 | Sopwith Cuckoo | Re-serialled as N7000 to N7099 |
| C8001 to C8200 | Dolphin | |
| C8201 to C8400 | Sopwith Camel | |
| C8401 to C8651 | Armstrong Whitworth FK.8 | |
| C8652 to C8654 | Boulton & Paul P.5 Hawk | Serials re-allocated |
| C8652 | Avro 504 | |
| C8653 to C8654 | Sopwith Pup | |
| C8655 to C8657 | Boulton & Paul P.3 Bobolink | |
| C8658 to C8660 | DH.10 | |
| C8661 to C9310 | SE.5a | |
| C9311 to C9335 | Maurice Farman S.7 | |
| C9336 to C9485 | DH.6 | |
| C9486 to C9635 | SE.5a | |
| C9636 to C9785 | Handley Page O/400 | |
| C9786 to C9835 | FE.2b | |
| C9836 to C9985 | Bristol F.2B | |
| C9986 | Avro 504 | |
| C9987 | BE.2e | |
| C9988 to C9989 | BE.2d | |
| C9990 to C9991 | Sopwith Pup | |
| C9992 | BE.12b | |
| C9993 | Sopwith Pup | |
| C9994 | DH.6 | |
| C9995 | BE.2d | |
| C9996 | BE.2e | |
| C9997 | Armstrong Whitworth FK.8 | |
| C9998 to C9999 | Avro 504 |