# N11273: 1931 Waco QCF

- Status: Valid registration
- Airframe: [Waco QCF](https://openairdocs.org/model/waco-qcf) (registry code 9600408, 3 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS ATC 416](https://openairdocs.org/tcds/ATC%20416) (The Waco Aircraft Company) (OpenAirDocs)
- Serial number: 3489
- Year built: 1931
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 8, 1941
- Certificate issued: March 10, 2023
- Expires: March 31, 2030
- Mode S code: A0370A
- Registered owner: [Johnson Terri L](https://openairdocs.org/faa-owner/JOHNSON%20TERRI%20L)
- Location: [Spring Green, WI](https://openairdocs.org/faa-place/WI/Spring%20Green)
- Owner type: Individual
- Owner's area on the map: 43.1892° N, 90.0805° W: Placed by OpenAirDocs at the center of ZIP code 53588, 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=11273
- Page: https://openairdocs.org/aircraft/N11273

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): 0 in force

### Matched by airframe (Waco QCF)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N11273.

## FAA accident and incident reports

None matched to N11273.

## 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) (4)

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 QCF)

- [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 SA4503NM](https://openairdocs.org/stc/SA4503NM): Remove original cloth covering and install Ceconite covering. Ceconite Division of Poly-Fiber Inc
- [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

## Earlier aircraft with N11273

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N11273 before.

- [Cancelled 2013-09-13](https://openairdocs.org/deregistered/N11273-2013-09-13): Cessna 150L, S/N 15075290, built 1973. Registration expired, pending cancellation. Owner: [Elliott Gregory P](https://openairdocs.org/faa-owner/ELLIOTT%20GREGORY%20P), [Longview, TX](https://openairdocs.org/faa-place/TX/Longview)

## Related

- Other Waco QCF aircraft: https://openairdocs.org/model/waco-qcf/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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