Porterfield CP-65
19 on the U.S. register. Built from 1940 to 1941; half of them date from 1940 or earlier. Washington has the most (5). 21% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the CP-65 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Cont Motor A&C65 Series (16), Leblond 70 Series (1)
- Fuel
- 100LL avgasUnleaded: 100R under STC SA04652CH; UL94 under STC SA01757WI; UL91 under STC SA01831WI; car gasoline under STC SA01944CH (1 OF 2) and 1 more
- Seats
- 2
- Cruise speed
- about 76 mph
- Built of
- steel tube, wood and fabric · A steel-tube fuselage and wooden wings under fabric.
- Maker on the register
- Porterfield
- Registered
- earliest certificate February 24, 1992; newest October 2, 2025
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 13 | 68% |
| LLC | 3 | 16% |
| Co-owned | 2 | 11% |
| Corporation | 1 | 5% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| CP-65 | 19 | 1940 to 1941 | 100.0% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 17 | 89% |
| None on file | 2 | 11% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Slinger LLC | 1 |
| Port Townsend Aero Museum | 1 |
| N27207 LLC | 1 |
| 1940 Porterfield LLC | 1 |
Fleet pages: Slinger LLC · Port Townsend Aero Museum
Accident history NTSB records · 3 cases since 1982, 2 fatal
The 3 most recent of 3 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Porterfield CP-65 aircraft are registered in the U.S.?
19 as of November 12, 2026, counting 1 version the FAA records separately.
Which state has the most Porterfield CP-65s?
Washington, with 5.
Who owns the Porterfield CP-65?
21% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Porterfield CP-65s on the register built?
Between 1940 and 1941; half of them in 1940 or earlier.
How many Porterfield CP-65 accidents has the NTSB recorded?
3 accidents and incidents since 1982, 2 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Porterfield CP-65 made of?
A welded steel-tube fuselage and wooden wings, all covered in fabric: the construction of the 1930s and 1940s, which makes wood rot and fabric age the inspection items. A steel-tube fuselage and wooden wings under fabric. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Porterfield CP-65 the component layer
A welded steel-tube fuselage and wooden wings, all covered in fabric: the construction of the 1930s and 1940s, which makes wood rot and fabric age the inspection items. A steel-tube fuselage and wooden wings under fabric. The design is held under 1 type certificate (A-720, held by Bradley Rankin). The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this model, most of them about airframe structure. 28 approved modifications exist for it, the most by Swift Fuels LLC.
FAA orders 1 airworthiness directives · newest first
By system
Orders by system, as a table
| orders | share | |
|---|---|---|
| Airframe structure | 1 | 100% |
Approved replacement parts 3 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: safestart starting (1), fuel quantity (1), fuel placard (1).
Approved modifications 28 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the CP-65 links to the rest of the register
- Porterfield 77 aircraft on the register
- Porterfield CP-65 19 registered
- Built of steel tube, wood and fabric · A steel-tube fuselage and wooden wings under fabric.
- Continental A65 / C65 series 16 of these aircraft · 65 hp
- Leblond 70 series 1 of these aircraft · 70 hp
- Washington 5 of these aircraft
- California 4 of these aircraft
- Florida 3 of these aircraft
- Wisconsin 1 of these aircraft
- Oklahoma 1 of these aircraft
- Slinger LLC 1 of these aircraft
- Port Townsend Aero Museum 1 of these aircraft
- N27207 LLC 1 of these aircraft
- 1940 Porterfield LLC 1 of these aircraft
- NTSB accidents and incidents involving the CP-65 3 cases since 1982 · 2 fatal
- FAA orders naming the CP-65 1 airworthiness directives
- Approved modifications for the CP-65 28 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/porterfield/cp-65.json.
Aircraft newest certificates first · 19
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N37703 | Porterfield CP-65 |
Individual owner Florida |
Standard | 2025-10-02 | ValidFAA registration status code V: Valid registration. All codes |
| N27217 | Porterfield CP-65 |
Co-owned owner Oklahoma |
Standard | 2025-02-15 | ValidFAA registration status code V: Valid registration. All codes |
| N34814 | Porterfield CP-65 |
Co-owned owner Washington |
Standard | 2024-01-05 | ValidFAA registration status code V: Valid registration. All codes |
| N32428 | Porterfield CP-65 |
Individual owner Ohio |
Standard | 2023-06-13 | ValidFAA registration status code V: Valid registration. All codes |
| N25540 | Porterfield CP-65 |
1940 Porterfield LLC Santa Paula, California |
Standard | 2023-05-24 | ValidFAA registration status code V: Valid registration. All codes |
| N27207 | Porterfield CP-65 |
N27207 LLC Richland, Washington |
Standard | 2022-09-28 | ValidFAA registration status code V: Valid registration. All codes |
| N25590 | Porterfield CP-65 |
Individual owner California |
None on file | 2022-08-17 | ValidFAA registration status code V: Valid registration. All codes |
| N25499 | Porterfield CP-65 |
Slinger LLC Randolph, Wisconsin |
Standard | 2021-07-28 | ValidFAA registration status code V: Valid registration. All codes |
| N37743 | Porterfield CP-65 |
Individual owner Washington |
Standard | 2020-07-07 | ValidFAA registration status code V: Valid registration. All codes |
| N37716 | Porterfield CP-65 |
Individual owner Florida |
Standard | 2020-06-16 | ValidFAA registration status code V: Valid registration. All codes |
| N37709 | Porterfield CP-65 |
Individual owner New York |
Standard | 2020-06-01 | ValidFAA registration status code V: Valid registration. All codes |
| N25453 | Porterfield CP-65 |
Individual owner California |
Standard | 2016-12-14 | ValidFAA registration status code V: Valid registration. All codes |
| N37714 | Porterfield CP-65 |
Individual owner Georgia |
Standard | 2015-12-05 | ValidFAA registration status code V: Valid registration. All codes |
| N37708 | Porterfield CP-65 |
Individual owner Washington |
None on file | 2011-01-10 | ValidFAA registration status code V: Valid registration. All codes |
| N34726 | Porterfield CP-65 |
Port Townsend Aero Museum Port Townsend, Washington |
Standard | 2010-11-02 | ValidFAA registration status code V: Valid registration. All codes |
| N25542 | Porterfield CP-65 |
Individual owner North Dakota |
Standard | 2006-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N37862 | Porterfield CP-65 |
Individual owner Minnesota |
Standard | 1999-06-11 | ValidFAA registration status code V: Valid registration. All codes |
| N25539 | Porterfield CP-65 |
Individual owner Florida |
Standard | 1994-11-29 | ValidFAA registration status code V: Valid registration. All codes |
| N27280 | Porterfield CP-65 |
Individual owner California |
Standard | 1992-02-24 | ValidFAA registration status code V: Valid registration. All codes |