# N1826: 1927 Waco ASO - Status: Valid registration - Airframe: [Waco ASO](https://openairdocs.org/model/waco-aso) (registry code 9601202, 3 seats) - Engine: [Wright WWJ series](https://openairdocs.org/engine/wright-wwj-series) (registry code 67007) - Data sheets: [TCDS ATC 41](https://openairdocs.org/tcds/ATC%2041) (The Waco Aircraft Company) (OpenAirDocs) - Serial number: 914 - Year built: 1927 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: May 17, 1967 - Certificate issued: August 6, 2025 - Expires: August 31, 2032 - Mode S code: A14B44 - 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=1826 - Page: https://openairdocs.org/aircraft/N1826 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 Wright WWJ model are included. ## ADs that may apply (OpenAirDocs): 0 in force ### Matched by airframe (Waco ASO) None in force. ### Matched by engine (Wright WWJ series) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N1826. ## FAA accident and incident reports None matched to N1826. ## Reports on N1826 not matched to an aircraft (1) They name N1826, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Incident 19810801054129I](https://openairdocs.org/incident/19810801054129I), Aug 1, 1981: Doug DC10* (N1826), Omaha, NE. Za aircraft made unscheduled landing due to engine spool down. No problem found during ground operation. ## 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) (13) 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 ASO) - [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 SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc - [STC SA2693NM](https://openairdocs.org/stc/SA2693NM): Installation of Electronics International digital volt/amp gauges and accessories. Electronics International 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 - [STC SA2687NM](https://openairdocs.org/stc/SA2687NM): Installation of Truboplus/ Electronics Int'l gauges and switches. Aero Manufacturing Inc - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series). Electronics International - [STC SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202): Installation of Electronics International Inc digital carburetor/outside air temperature gauges. Electronics International - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International - [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. Electronics International - [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202): Installation of electronics International Digital Volt/Amp Gauges and Accessories. Electronics International - [STC SA2350NM](https://openairdocs.org/stc/SA2350NM) (historical): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. Electronics International ## Related - Other Waco ASO aircraft: https://openairdocs.org/model/waco-aso/aircraft.md - The Wright WWJ series engine: https://openairdocs.org/engine/wright-wwj-series.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.