# N29368: 1940 Waco UPF-7

- Status: Valid registration
- Airframe: [Waco UPF-7](https://openairdocs.org/model/waco-upf-7) (registry code 9601302, 2 seats)
- Engine: [Continental R670-SERIES series](https://openairdocs.org/engine/continental-r670-series-series) (registry code 17016)
- Data sheets: [TCDS A-642](https://openairdocs.org/tcds/A-642) (The Waco Aircraft Company) (OpenAirDocs)
- Serial number: 5395
- Year built: 1940
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 29, 2023
- Certificate issued: February 16, 2021
- Expires: February 29, 2028
- Mode S code: A303EA
- Registered owner: [Marden Thomas C](https://openairdocs.org/faa-owner/MARDEN%20THOMAS%20C)
- Location: [Erwinna, PA](https://openairdocs.org/faa-place/PA/Erwinna)
- Owner type: Individual
- Owner's area on the map: 40.4930° N, 75.0867° W: Placed by OpenAirDocs at the center of ZIP code 18920, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=29368
- Page: https://openairdocs.org/aircraft/N29368

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. The registry lists only the engine series, so ADs for every Continental R670-SERIES model are included.

## ADs that may apply (OpenAirDocs): 1 in force

### Matched by airframe (Waco UPF-7)

None in force.

### Matched by engine (Continental R670-SERIES series)

- [AD 95-21-15](https://openairdocs.org/ad/95-21-15): Aviation Gasoline · Continental Motors A-65-8, C85-12F, C85-12FJ and 77 more. Effective Nov 28, 1995

### Historical (superseded or no longer in force)

- [AD 94-14-12](https://openairdocs.org/ad/94-14-12) (historical): Octane Aviation Gasoline · Teledyne Continental Motors A-65-8, C85-12, E185-11 and 68 more

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

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 MIA88LA106](https://openairdocs.org/ntsb/MIA88LA106), Feb 14, 1988: Waco UPF-7 (N29368), St Petersburg, FL, substantial damage

## 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.

- [Accident 19880214002409A](https://openairdocs.org/incident/19880214002409A), Feb 14, 1988: Waco UPF7 (N29368), St Petersburg, FL, Substantial damage. Rough engine. Tried to land rwy 36 overshot tried for rwy 24. Engine quit. Wing stalled. Acft hit and cartwheeled.

## 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) (32)

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 airframe (Waco UPF-7)

- [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 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 SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [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 SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA02498CH](https://openairdocs.org/stc/SA02498CH): Installation of Cleveland Wheel and barke Kit 199-64 (including 30-28D brake assembly and 40-40B wheel assembly). Rare Aircraft Ltd
- [STC SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments
- [STC SA01807NY](https://openairdocs.org/stc/SA01807NY): Increase the maximum certified weight to 2880 lbs. Rare Aircraft Ltd
- [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley
- [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc
- [STC SA01669CH](https://openairdocs.org/stc/SA01669CH): Installation of Challenger Reusable Air Filter. Challenger Aviation Products Inc
- [STC SA00556SE](https://openairdocs.org/stc/SA00556SE): Replacement of airplane fuselage frame structure with The WACO Aircraft Co. Inc. fuselage. Rare Aircraft Ltd
- [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments
- [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments
- [STC SA02237SE](https://openairdocs.org/stc/SA02237SE): Installation of Cleveland Wheel 40-40B and Brake 30-28D (Kit No. 199-64). Kevin Kreiter
- [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 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 SA00068LA](https://openairdocs.org/stc/SA00068LA): Installation of tail wheel adapter ring. R-R-R-Russ Aircraft
- [STC SA00373LA](https://openairdocs.org/stc/SA00373LA): Installation of engines, modified with addition of a Jacobs shielded ignition harness. Aero Engines Inc
- [STC SA2081CE](https://openairdocs.org/stc/SA2081CE): Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Intermixing with aviation gasoline also approved. Petersen Aviation Inc
- [STC SA1351WE](https://openairdocs.org/stc/SA1351WE): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12). Ceconite Inc
- [STC SA4-1210](https://openairdocs.org/stc/SA4-1210): Installation of Eonnex cover on aircraft surfaces. Ceconite, Inc
- [STC SA471NW](https://openairdocs.org/stc/SA471NW): Installation of a metalized fuselage covering. Stark, Robert C
- [STC SA4-1567](https://openairdocs.org/stc/SA4-1567): Ceconite 101 covering of complete aircraft. Cooper Engineering Corporation

### Approved for the engine (Continental R670-SERIES series)

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC. Lists R-670-B
- [STC SA4005NM](https://openairdocs.org/stc/SA4005NM): Precise Flight Inc. Pulselite Control System. Precise Flight Inc. Lists R-670-B
- [STC SE5879SW](https://openairdocs.org/stc/SE5879SW): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. Phillips Petroleum Co

## Related

- Other Waco UPF-7 aircraft: https://openairdocs.org/model/waco-upf-7/aircraft.md
- The Continental R670-SERIES series engine: https://openairdocs.org/engine/continental-r670-series-series.md

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