# N11480: 1931 Waco QCF-2 - Status: Valid registration - Airframe: [Waco QCF-2](https://openairdocs.org/model/waco-qcf-2) (registry code 9600409, 3 seats) - Engine: [Continental W670-6N](https://openairdocs.org/engine/continental-w670-6n) (registry code 17318) - Data sheets: [TCDS E-162](https://openairdocs.org/tcds/E-162) (Air Repair Inc.) (OpenAirDocs) - Serial number: 3556 - Year built: 1931 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, normal - Airworthiness date: February 2, 2015 - Certificate issued: January 10, 2022 - Expires: January 31, 2029 - Mode S code: A03E98 - Registered owners: [Slocum James E](https://openairdocs.org/faa-owner/SLOCUM%20JAMES%20E), [Slocum Valerie Thal](https://openairdocs.org/faa-owner/SLOCUM%20VALERIE%20THAL) - Location: [Poplar Grove, IL](https://openairdocs.org/faa-place/IL/Poplar%20Grove) - Owner type: Co-owned - Owner's area on the map: 42.4006° N, 88.8370° W: Placed by OpenAirDocs at the center of ZIP code 61065, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11480 - Page: https://openairdocs.org/aircraft/N11480 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): 1 in force ### Matched by airframe (Waco QCF-2) None in force. ### Matched by engine (Continental W670-6N) - [AD 50-12-01](https://openairdocs.org/ad/50-12-01): Propeller Blade · Hamilton Standard Propeller Blades, W670-16, W670-6A and 1 more ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N11480. ## 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 20160306007599I](https://openairdocs.org/incident/20160306007599I), Mar 6, 2016: Waco QCF-2 (N11480), Groveland, CA, Minor damage. Aircraft nosed over, coming to rest inverted, after the main wheels sunk into soft dirt at the edge of the runway. There were no injuries to either of the… ## Reports on N11480 not matched to an aircraft (1) They name N11480, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 19790106001199I](https://openairdocs.org/incident/19790106001199I), Jan 6, 1979: Cessna 150 (N11480), Omaha, NE, Minor damage. Student pilot lost directional control after touchdown, hit snowbank off side of runway. ## 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) (15) 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 W670-6N) - [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 - [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 SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc. Lists W670 Series - [STC SE7492SW](https://openairdocs.org/stc/SE7492SW): Install Delco starter P/N 1108684 or Eclipse/Bendix Utica model E80 starters. Rare Aircraft Ltd - [STC SE01144SE](https://openairdocs.org/stc/SE01144SE): Installation of Olde Thyme Aviation, Inc. pistons, P/N OTA-4032-T6 or Air Repair, Inc. pistons, P/Ns AR4177 (5 each) and AR4177-1 (2 each), to replace Teledyne Continental Motors pistons P/N 4177. Air Repair Inc - [STC SE01243WI](https://openairdocs.org/stc/SE01243WI): Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision. Barron Aviation - [STC SE01145SE](https://openairdocs.org/stc/SE01145SE): Option 1) Installation of Olde Thyme Aviation Inc. crankshaft bearings OTA-21201-AB (rear) and OTA-21301-FB (front) Option 2) Installation of Olde Thyme Aviation Inc. replacement intake valve guides P/N OTA-20241-IG Option 3) Installation of Olde Thyme Aviation Inc. replacement exhaust valve guides P/N OTA-20406-EG. Air Repair Inc - [STC SE01146SE](https://openairdocs.org/stc/SE01146SE): Option 1) Installation of Gold Coast Aviation crankshaft bearings GCA-21201-AB (rear) and GCA-21301-FB (front) Option 2) Installation of Gold Coast Aviation replacement intake valve guides P/N GCA-20241-IG Option 3) Installation of Gold Coast Aviation replacement exhaust valve guides P/N GCA-20406-EG. Gold Coast Aviation Service Inc - [STC SE00946LA](https://openairdocs.org/stc/SE00946LA): Installation of engine crankshaft front and rear bearings. Holloway Engineering Co - [STC SE00372LA](https://openairdocs.org/stc/SE00372LA): Installation of a Jacobs shielded ignition harness on Teledyne Continental Motors engine models. Aero Engines Inc - [STC SE7491SW](https://openairdocs.org/stc/SE7491SW): Install Scintilla VNM-7DFA magnetos on W-670-6A and -6N engines. Air Repair. Lists W670 Series - [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. Lists W670 Series - [STC SE2028CE](https://openairdocs.org/stc/SE2028CE): Add the following approved fuel: 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 SE5WE](https://openairdocs.org/stc/SE5WE): Compression ratio tank pistons. Salinas Engine Works - [STC SE03079AT](https://openairdocs.org/stc/SE03079AT) (historical): Modify the Teledyne Continental W670 Series aircraft engines by replacing the crankshaft front and rear main ball bearings with higher capacity roller bearings. Air Repair Inc ## Earlier aircraft with N11480 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N11480 before. - [Cancelled 1935-04-14](https://openairdocs.org/deregistered/N11480-1935-04-14): Waco QDC, S/N 3516. Owner: [Jones Rabun](https://openairdocs.org/faa-owner/JONES%20RABUN), [Leland, MI](https://openairdocs.org/faa-place/MI/Leland) ## Related - Other Waco QCF-2 aircraft: https://openairdocs.org/model/waco-qcf-2/aircraft.md - The Continental W670-6N engine: https://openairdocs.org/engine/continental-w670-6n.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.