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Porterfield CP-40
N18743 is a Porterfield CP-40, a fixed-wing airplane with one motor with a piston engine. It has 2 seats. It is registered to Airpower Museum INC, a corporation in Ottumwa, Iowa. The registration is valid: it was issued on April 14, 2014 and expires on April 30, 2030. It holds a standard airworthiness certificate, dated April 15, 1956.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Porterfield
- Model
- CP-40
- Serial number
- 529
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Cont Motor A40 SERIES · 40 hp
- Fuel
- 100LL avgas
- Seats
- 2
- Year built
- Not given
- Cruising speed
- 76 mph
- Transponder code
- A15DAD (octal 50256655)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- April 14, 2014
- Expires
- April 30, 2030
- Last FAA action
- October 20, 2023
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · April 15, 1956
- FAA region
- CentralFAA region code 3 (the FAA regional office that handles the record). All codes
- FAA record id
- 00232750
Owner as the FAA publishes it
- Name
- Airpower Museum INC
- Type
- CorporationFAA type of owner code 3 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 22001 Bluegrass Rd
Ottumwa, IA 52501-8569
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Connections how N18743 links to the rest of the register
- Porterfield 77 aircraft on the register
- Continental A40 series 112 aircraft with this engine series · 40 hp
- Airpower Museum INC 32 aircraft in the fleet
- Ottumwa, IA 72 aircraft registered in this town
- Ottumwa Regional · OTM
- Iowa 4,513 aircraft registered
The whole map of how records connect · these connections as data: /graph/aircraft/N18743.json.
Records check free · 0 to understand · 4 clear
The public federal record on N18743, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Airpower Museum INC, a corporation, certificate issued April 14, 2014, expires April 30, 2030. No fractional interest recorded. [1]
Standard certificate; the FAA file gives no certificate date and no manufacture year. [1]
No earlier tail number is recorded against serial 529 for this model in the deregistered file. [2]
No other airframe has carried N18743 according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N18743. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of November 9, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 9, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 9, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, November 9, 2026. See this record on the FAA site · This record as data