# N7446: Waco CTO - Status: Valid registration - Airframe: [Waco CTO](https://openairdocs.org/model/waco-cto) (registry code 9601214, 3 seats) - Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000) - Data sheets: [TCDS ATC 257](https://openairdocs.org/tcds/ATC%20257) (The Waco Aircraft Company) (OpenAirDocs) - Serial number: A-19 - Type: Fixed wing single engine - Engine type: Reciprocating - Certificate issued: February 9, 2019 - Expires: February 28, 2029 - Mode S code: AA0490 - Registered owners: [Bowe Walter C Trustee](https://openairdocs.org/faa-owner/BOWE%20WALTER%20C%20TRUSTEE), [Mendieta Carlene A Trustee](https://openairdocs.org/faa-owner/MENDIETA%20CARLENE%20A%20TRUSTEE) - Location: [Sonoma, CA](https://openairdocs.org/faa-place/CA/Sonoma) - Owner type: Co-owned - Owner's area on the map: 38.2558° N, 122.4609° W: Placed by OpenAirDocs at the center of ZIP code 95476, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7446 - Page: https://openairdocs.org/aircraft/N7446 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 CTO) None in force. ### Matched by engine (NONE) None in force. ## 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 CHI05CA172](https://openairdocs.org/ntsb/CHI05CA172), Aug 7, 2005: Waco CTO (N7446), Shelbyville, IL, substantial damage. Probable cause: The loss of engine power during cruise due to carburetor ice. A factor was conditions conducive to carburetor icing. ## FAA accident and incident reports (2) 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 20050807024699A](https://openairdocs.org/incident/20050807024699A), Aug 7, 2005: Waco CTO (N7446), Kirksville, IL, Substantial damage. (-23) While on a personal pleasure flight at about 11:15 am CDT the appropriately certificated and qualified pilot and sole occupant of the aircraft… - [Incident 19910622029359I](https://openairdocs.org/incident/19910622029359I), Jun 22, 1991: Waco CTO (N7446), Ocala, FL, Minor damage. Pilot ground looped the aircraft on landing rollout. ## 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) (5) 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 CTO) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. 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 SA01406NY](https://openairdocs.org/stc/SA01406NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing. Airwolf Filter Corporation - [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 SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International ## Earlier aircraft with N7446 The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N7446 before. - [Cancelled 1972-12-05](https://openairdocs.org/deregistered/N7446-1972-12-05): Grumman G-164A, S/N 952. Exported to Zambia. Owner: [International Ag-Cat Distributors Inc](https://openairdocs.org/faa-owner/INTERNATIONAL%20AG-CAT%20DISTRIBUTORS%20INC), [Arlington, VA](https://openairdocs.org/faa-place/VA/Arlington) - [Cancelled 1968-01-29](https://openairdocs.org/deregistered/N7446-1968-01-29): Vickers VISCOUNT 745-D, S/N 202. Owner: [Airmotive Inc](https://openairdocs.org/faa-owner/AIRMOTIVE%20INC), [Burbank, CA](https://openairdocs.org/faa-place/CA/Burbank) ## Related - Other Waco CTO aircraft: https://openairdocs.org/model/waco-cto/aircraft.md - The NONE engine: https://openairdocs.org/engine/none.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.