Porterfield CP-50
8 on the U.S. register. Built from 1939 to 1948; half of them date from 1939 or earlier. Washington has the most (1). 25% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the CP-50 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Cont Motor A50 Series (4), Cont Motor A&C65 Series (1), Ama/Expr Unknown Eng (1)
- Seats
- 2
- Cruise speed
- about 76 mph
- Maker on the register
- Porterfield
- Registered
- earliest certificate April 21, 1997; newest June 4, 2022
Where they are owner's state
Who owns them registrant type
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| CP-50 | 8 | 1939 to 1948 | 100.0% |
When they were built by decade · 2 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Airworthiness certificate class
Biggest operators companies, schools and clubs
Fleet pages: Western Antique Aeroplane & Automobile Museum
Accident history NTSB
Each aircraft's own page already shows its NTSB accident and incident record. The model-wide record (accidents per year, fatal and non-fatal, against the number registered) is being added; it will appear here.
Questions people ask answers refresh every morning
How many Porterfield CP-50 aircraft are registered in the U.S.?
8 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Porterfield CP-50s?
Washington, with 1.
Who owns the Porterfield CP-50?
25% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 8
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N25422 | Porterfield CP-50 |
Individual owner Washington |
None on file | 2022-06-04 | Valid |
| N25495 | Porterfield CP-50 |
Shannon Aviation LLC Drexel, Missouri |
Standard | 2020-02-25 | Valid |
| N21994 | Porterfield CP-50 |
Individual owner Iowa |
Standard | 2018-02-12 | Valid |
| N21987 | Porterfield CP-50 |
Co-owned owner California |
Standard | 2016-07-19 | Valid |
| N25437 | Porterfield CP-50 |
Individual owner Arkansas |
None on file | 2015-12-22 | Valid |
| N21973 | Porterfield CP-50 |
Western Antique Aeroplane & Automobile Museum Hood River, Oregon |
Standard | 2015-06-02 | Valid |
| N25436 | Porterfield CP-50 |
Individual owner Michigan |
Standard | 2014-02-24 | Valid |
| N25439 | Porterfield CP-50 |
Individual owner Delaware |
Standard | 1997-04-21 | Valid |
