Aircraft Registry Lookup
376,706 registrations (as of July 2026) from the FAA, Transport Canada, CASA, ILT, Luftfartstilsynet, AESA and CAACI — search an identifier, or browse by category.
8 registrations across the 7 registries we track · for-sale page →
| Registration | Serial (MSN) | Year | Model | Registry | Status |
|---|---|---|---|---|---|
| N21973 | 559 | 1939 | PORTERFIELD CP-50 | FAA | active |
| N21987 | 570 | 1939 | PORTERFIELD CP-50 | FAA | active |
| N21994 | 574 | 1939 | PORTERFIELD CP-50 | FAA | active |
| N25436 | 606 | 1940 | PORTERFIELD CP-50 | FAA | active |
| N25437 | 607 | — | PORTERFIELD CP-50 | FAA | active |
| N25439 | 609 | 1948 | PORTERFIELD CP-50 | FAA | active |
| N25495 | 624 | 1940 | PORTERFIELD CP-50 | FAA | active |
| N25422 | 596 | — | PORTERFIELD CP-50 | FAA | deregistered |