# N9923P: 1975 Piper PA-36-285

- Status: Valid registration
- Airframe: [Piper PA-36-285](https://openairdocs.org/model/piper-pa-36-285) (registry code 7103610, 1 seats)
- Engine: [Continental 6-285-A](https://openairdocs.org/engine/continental-6-285-a) (registry code 17038)
- Data sheets: [TCDS E12CE](https://openairdocs.org/tcds/E12CE) (Continental Aerospace Technologies, Inc.) (OpenAirDocs)
- Serial number: 36-7560033
- Year built: 1975
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: April 29, 1975
- Certificate issued: April 1, 2020
- Expires: April 30, 2030
- Mode S code: ADDCE0
- Registered owners: [Mundell Terry D Trustee](https://openairdocs.org/faa-owner/MUNDELL%20TERRY%20D%20TRUSTEE), [Mundell Lola F Trustee](https://openairdocs.org/faa-owner/MUNDELL%20LOLA%20F%20TRUSTEE)
- Location: [Rosston, OK](https://openairdocs.org/faa-place/OK/Rosston)
- Owner type: Co-owned
- Owner's area on the map: 36.8747° N, 99.8530° W: Placed by OpenAirDocs at the center of ZIP code 73855, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9923P
- Page: https://openairdocs.org/aircraft/N9923P

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 17 in force

### Matched by airframe (Piper PA-36-285)

- [AD 2021-11-16](https://openairdocs.org/ad/2021-11-16): Wings · Piper PA-36-285, PA-36-300 and PA-36-375. Effective Jul 15, 2021
- [AD 2001-23-17](https://openairdocs.org/ad/2001-23-17): GNS 430 units · Cessna 172, 182, 206 and 209 more. Effective Dec 28, 2001
- [AD 85-02-05 R1](https://openairdocs.org/ad/85-02-05-R1): Piper P/N s 81090-02, 683-107 Placard Installation · Lavia Argentina PA-25, PA-25-235, PA-25-260 and 32 more. Effective Nov 21, 1997
- [AD 81-24-01](https://openairdocs.org/ad/81-24-01): Rudder Control And Harness Cable Assemblies · Piper PA-36-285, PA-36-300 and PA-36-375. Effective Nov 19, 1981
- [AD 76-05-07 R2](https://openairdocs.org/ad/76-05-07-R2): Rudder Control System · Piper PA-36-285, PA-36-300 and PA-36-375. Effective Nov 16, 1981
- [AD 79-12-09](https://openairdocs.org/ad/79-12-09): Engine Mount Attach Brackets · Piper PA-36-285. Effective Jun 19, 1979
- [AD 78-26-05](https://openairdocs.org/ad/78-26-05): Elevator And Aileron Control Systems · Piper PA-36-285, PA-36-300 and PA-36-375. Effective Dec 26, 1978
- [AD 77-21-03](https://openairdocs.org/ad/77-21-03): Rudder Spar Cracks · Piper PA-36-285. Effective Oct 18, 1977
- [AD 77-04-02](https://openairdocs.org/ad/77-04-02): Directional Control · Piper PA-36-285. Effective Feb 21, 1977
- [AD 77-02-06](https://openairdocs.org/ad/77-02-06): Wing Attachment Fittings · Piper PA-36-285. Effective Jan 28, 1977
- [AD 75-20-07](https://openairdocs.org/ad/75-20-07): Front Bearing Plate Bolt · Piper PA-36-285. Effective Sep 22, 1975
- [AD 75-01-02](https://openairdocs.org/ad/75-01-02): Elevator Control Forces · Piper PA-36-285. Effective Jan 6, 1975
- [AD 74-21-02](https://openairdocs.org/ad/74-21-02): Stall Warning System · Piper PA-36-285. Effective Oct 4, 1974
- [AD 74-14-06](https://openairdocs.org/ad/74-14-06): Wing Spar · Piper PA-36-285. Effective Jul 8, 1974
- [AD 74-13-07](https://openairdocs.org/ad/74-13-07): Fuel Shutoff Lever Placard · Piper PA-36-285. Effective Jun 25, 1974

### Matched by engine (Continental 6-285-A)

- [AD 2012-03-06](https://openairdocs.org/ad/2012-03-06): Fuel servo diaphragm · Continental Motors 6-260-A, 6-285-A, 6-285-B and 482 more. Effective Feb 24, 2012
- [AD 91-19-03](https://openairdocs.org/ad/91-19-03): Oil Filter · Continental Motors 6-285-A, 6-285-B, 6-285-BA and 169 more. Effective Sep 29, 1991

### Historical (superseded or no longer in force)

- [AD 83-20-03](https://openairdocs.org/ad/83-20-03) (historical): Structural Components Replacements · Piper PA-36-285, PA-36-300 and PA-36-375. Effective Nov 11, 1983
- [AD 79-01-03](https://openairdocs.org/ad/79-01-03) (historical): Wing Spar Carry Thru Assembly · Piper PA-36-285. Effective Jan 2, 1979

## Information bulletins (advisory) (3 in force)

- [SAIB NE-16-13](https://openairdocs.org/saib/NE-16-13): Powerplant - Prohibited use of sealant. Issued Mar 8, 2016
- [SAIB NE-13-04](https://openairdocs.org/saib/NE-13-04): Continental Motors, Inc. (CMI) Connecting Rod Piston Pin Bushing Inspection. Issued Oct 31, 2012
- [SAIB NE-02-31](https://openairdocs.org/saib/NE-02-31): . Issued Jun 10, 2002

## NTSB investigations

None matched to N9923P.

## FAA accident and incident reports (1)

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 19800606055469I](https://openairdocs.org/incident/19800606055469I), Jun 6, 1980: Piper PA36285 (N9923P), Imperial, CA. Pilot given runway 32 for landing which he refused due to crosswind, elected landing on frequently used taxiway

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (7)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Continental 6-285-A)

- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH): Installation of Challenger cleanable oil filter assembly. Challenger Aviation Products Inc
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM): Installation of Precise Flight standby vacuum system (SVS III). Precise Flight Inc
- [STC SE09513SC](https://openairdocs.org/stc/SE09513SC): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. Exxon Company USA
- [STC SE1445SO](https://openairdocs.org/stc/SE1445SO): Use of Aero-blend oil additive in Teledyne (non turbocharged) aircraft engines. ProTec

## Related

- Other Piper PA-36-285 aircraft: https://openairdocs.org/model/piper-pa-36-285/aircraft.md
- The Continental 6-285-A engine: https://openairdocs.org/engine/continental-6-285-a.md

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