# Porterfield CP-65

- Type: Aircraft model (FAA registry)
- Registry code: 6480118
- Manufacturer (registry): PORTERFIELD
- Model: CP-65
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Cruise speed: 76 mph
- Certification: Type certificated
- Data sheet: [TCDS A-720](https://openairdocs.org/tcds/A-720) (OpenAirDocs)
- Holder: Bradley Rankin
- Registered aircraft: 19
- Page: https://openairdocs.org/model/porterfield-cp-65

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 44-04-03](https://openairdocs.org/ad/44-04-03): Wings · Rankin, Joe CP-65

## Registered aircraft (19)

- [N25453](https://openairdocs.org/aircraft/N25453): [Yates Cecil R](https://openairdocs.org/faa-owner/YATES%20CECIL%20R), [Westminster, CA](https://openairdocs.org/faa-place/CA/Westminster), built 1940, S/N 651
- [N25499](https://openairdocs.org/aircraft/N25499): [Slinger LLC](https://openairdocs.org/faa-owner/SLINGER%20LLC), [Randolph, WI](https://openairdocs.org/faa-place/WI/Randolph), built 1940, S/N 654
- [N25539](https://openairdocs.org/aircraft/N25539): [Koblenzer F Matt](https://openairdocs.org/faa-owner/KOBLENZER%20F%20MATT), [Key Largo, FL](https://openairdocs.org/faa-place/FL/Key%20Largo), S/N 660
- [N25540](https://openairdocs.org/aircraft/N25540): [1940 Porterfield LLC](https://openairdocs.org/faa-owner/1940%20PORTERFIELD%20LLC), [Santa Paula, CA](https://openairdocs.org/faa-place/CA/Santa%20Paula), built 1940, S/N 661
- [N25542](https://openairdocs.org/aircraft/N25542): [Johnson Daryl E](https://openairdocs.org/faa-owner/JOHNSON%20DARYL%20E), [Garrison, ND](https://openairdocs.org/faa-place/ND/Garrison), built 1940, S/N 663
- [N25590](https://openairdocs.org/aircraft/N25590): [Cable Robert A](https://openairdocs.org/faa-owner/CABLE%20ROBERT%20A), [Upland, CA](https://openairdocs.org/faa-place/CA/Upland), S/N 696
- [N27207](https://openairdocs.org/aircraft/N27207): [N27207 LLC](https://openairdocs.org/faa-owner/N27207%20LLC), [Richland, WA](https://openairdocs.org/faa-place/WA/Richland), S/N 704
- [N27217](https://openairdocs.org/aircraft/N27217): [Case Marion](https://openairdocs.org/faa-owner/CASE%20MARION), [Guthrie, OK](https://openairdocs.org/faa-place/OK/Guthrie), S/N 714
- [N27280](https://openairdocs.org/aircraft/N27280): [Converse Donald A](https://openairdocs.org/faa-owner/CONVERSE%20DONALD%20A), [Los Alamitos, CA](https://openairdocs.org/faa-place/CA/Los%20Alamitos), built 1940, S/N 761
- [N32428](https://openairdocs.org/aircraft/N32428): [Cooley David A](https://openairdocs.org/faa-owner/COOLEY%20DAVID%20A), [Harrod, OH](https://openairdocs.org/faa-place/OH/Harrod), built 1940, S/N 858
- [N34726](https://openairdocs.org/aircraft/N34726): [Port Townsend Aero Museum](https://openairdocs.org/faa-owner/PORT%20TOWNSEND%20AERO%20MUSEUM), [Port Townsend, WA](https://openairdocs.org/faa-place/WA/Port%20Townsend), built 1941, S/N 892
- [N34814](https://openairdocs.org/aircraft/N34814): [Schiermeister Lloyd G](https://openairdocs.org/faa-owner/SCHIERMEISTER%20LLOYD%20G), [La Center, WA](https://openairdocs.org/faa-place/WA/La%20Center), built 1941, S/N 916
- [N37703](https://openairdocs.org/aircraft/N37703): [Taxman Arthur M](https://openairdocs.org/faa-owner/TAXMAN%20ARTHUR%20M), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), built 1941, S/N 932
- [N37708](https://openairdocs.org/aircraft/N37708): [Mann Thomas A](https://openairdocs.org/faa-owner/MANN%20THOMAS%20A), [Ford, WA](https://openairdocs.org/faa-place/WA/Ford), S/N 937
- [N37709](https://openairdocs.org/aircraft/N37709): [Rhinebeck Aerodrome Museum](https://openairdocs.org/faa-owner/RHINEBECK%20AERODROME%20MUSEUM), [Rhinebeck, NY](https://openairdocs.org/faa-place/NY/Rhinebeck), S/N 938
- [N37714](https://openairdocs.org/aircraft/N37714): [Self Mark A](https://openairdocs.org/faa-owner/SELF%20MARK%20A), [Athens, GA](https://openairdocs.org/faa-place/GA/Athens), built 1941, S/N 943
- [N37716](https://openairdocs.org/aircraft/N37716): [Feauto Kevin J](https://openairdocs.org/faa-owner/FEAUTO%20KEVIN%20J), [Saint Cloud, FL](https://openairdocs.org/faa-place/FL/Saint%20Cloud), S/N 945
- [N37743](https://openairdocs.org/aircraft/N37743): [Boast Mark R](https://openairdocs.org/faa-owner/BOAST%20MARK%20R), [Richland, WA](https://openairdocs.org/faa-place/WA/Richland), built 1941, S/N 963
- [N37862](https://openairdocs.org/aircraft/N37862): [Fisher Lance K](https://openairdocs.org/faa-owner/FISHER%20LANCE%20K), [Excelsior, MN](https://openairdocs.org/faa-place/MN/Excelsior), built 1941, S/N 1009

## NTSB investigations (5)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB GAA19CA147](https://openairdocs.org/ntsb/GAA19CA147), Feb 23, 2019: Porterfield CP 65 (N37716), Aberdeen, SD, substantial damage. Probable cause: The pilot's selection of unsuitable terrain for landing, which resulted in a nose-over.
- [NTSB IAD05CA086](https://openairdocs.org/ntsb/IAD05CA086), Jun 24, 2005: Porterfield CP-65 (N37709), Jaffrey, NH, substantial damage. Probable cause: The student pilot's inadequate compensation for wind conditions and his failure to maintain directional control. A factor in the accident was the drop off/descending embankment at the runway's edge.
- [NTSB LAX99FA261](https://openairdocs.org/ntsb/LAX99FA261), Aug 2, 1999: Porterfield CP-65 (N32409), Johnson Valley, CA, destroyed, 1 fatal. Probable cause: The failure of the pilot to maintain adequate airspeed while attempting to make a precautionary landing, which resulted in a stall/spin and collision with the terrain. A factor in his failure to…
- [NTSB NYC77FFJ15](https://openairdocs.org/ntsb/NYC77FFJ15), Apr 12, 1977: Porterfield CP-65 (N37716), Hilton, NY, substantial damage
- [NTSB OAK73DVG73](https://openairdocs.org/ntsb/OAK73DVG73), Jun 23, 1973: Porterfield CP-65 (N27280), Esparto, CA, substantial damage

## FAA accident and incident reports (6)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20240810010679I](https://openairdocs.org/incident/20240810010679I), Aug 10, 2024: Porterfield CP-65 (N32428), Lamoni, IA, Minor damage. Aircraft nosed over during take off roll resulting in propeller ground strike and engine damage.
- [Accident 20190223010479A](https://openairdocs.org/incident/20190223010479A), Feb 23, 2019: Porterfield CP-65 (N37716), Aberdeen, SD, Substantial damage. Pilot opted to perform a touch & go maneuver on the frozen lake richmond 8 miles nw of Aberdeen, SD. Snow was deeper than expected. Upon touchdown, wheels sank…
- [Accident 20050624012479A](https://openairdocs.org/incident/20050624012479A), Jun 24, 2005: Norwst CP65PORTFLD (N37709), Jaffrey, NH, Substantial damage. (-23) On 6-24-2005, at 1330 EDT, a porterfield CP-65, N37709, piloted by [privacy data omitted] during landing on rwy 34 at jaffery, NH (afn), lost directional…
- [Accident 19990802010609A](https://openairdocs.org/incident/19990802010609A), Aug 2, 1999: Norwst CP65PORTFLD (N32409), Yucca Valley, CA, Destroyed, 1 fatal. Acft crashed on take-off under unknown circumstances and was destroyed, the pilot/sole occupant suffered fatal injuries. (.19) on August 2, 1999, approximately…
- [Accident 19770412007949A](https://openairdocs.org/incident/19770412007949A), Apr 12, 1977: Norwst CP65PORTFLD (N37716), Hilton, NY, Substantial damage. Pilot/pax each weigh 200LBS. Acft failed to climb after takeoff.
- [Accident 19730623016689A](https://openairdocs.org/incident/19730623016689A), Jun 23, 1973: Norwst FP65PORTFLD (N27280), Esparto, CA, Substantial damage

## STCs that may be installed (OpenAirDocs) (22)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA00079NY](https://openairdocs.org/stc/SA00079NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Airwolf Filter Corporation
- [STC SA00081NY](https://openairdocs.org/stc/SA00081NY): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. Alcor LLC
- [STC SA7965SW](https://openairdocs.org/stc/SA7965SW): Application of fabric and polyurethane finishing system. Shady Aviation LLC
- [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC
- [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc
- [STC SA01734SE](https://openairdocs.org/stc/SA01734SE): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. Andrew D. Humphrey
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system. Champion Aerospace LLC
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. M-20 Oil Separators LLC
- [STC SA01944CH](https://openairdocs.org/stc/SA01944CH): Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or D-4818 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. Experimental Aircraft Association Inc
- [STC SA848GL](https://openairdocs.org/stc/SA848GL): Superseded by STC SA01944CH. Modify airplane to fly unleaded automotive gasoline, 87 minimum antiknock index, STC SE634GL approved. EAA Aviation Foundation
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc
- [STC SA1008WE](https://openairdocs.org/stc/SA1008WE): Installation of Poly-Fiber covering material. Poly-Fiber Inc
- [STC SA489EA](https://openairdocs.org/stc/SA489EA): Installation of ARP Inc. carburetor ice detection system. Aircraft & Rotorcraft Products (ARP) Inc
- [STC SA1264GL](https://openairdocs.org/stc/SA1264GL): Surrendered and incorporated into STC SA00478CH. Cooper Aviation Supply Company, Inc
- [STC SA02520AT](https://openairdocs.org/stc/SA02520AT): Installation of M-20 Oil Separator, model 600-WP. M-20 Oil Separators LLC
- [STC SA5159NM](https://openairdocs.org/stc/SA5159NM): Installation of chip detector system. Northwest Aircraft Inc
- [STC SA5755NM](https://openairdocs.org/stc/SA5755NM): Installation of a propeller anti theft device. Davis Ray G
- [STC SA4-302](https://openairdocs.org/stc/SA4-302): Installation of BN-1 propeller spinner. ACS Products Co, Inc
- [STC SA308EA](https://openairdocs.org/stc/SA308EA): Installation of carburetor ice detection system 105AP in single and twin engine aircraft and single engine helicopters powered by Continental, Franklin, and Lycoming type engines equipped with Marvel-Schebler MA-2, MA-3, MA-4, MA-4-5, MA-6 and HA-6 series carburetors. (Normal,Utility and Acrobatic Category airplanes and helicopters equipped with engines and carburetors as described.). Alfred R Puccinelli

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Porterfield-Rankin CP-65](https://openairdocs.org/model/porterfield-rankin-cp-65): 1 registered aircraft, registry code 6480119

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