# N15718: 1936 Waco ZQC-6 - Status: Valid registration - Airframe: [Waco ZQC-6](https://openairdocs.org/model/waco-zqc-6) (registry code 9600648, 5 seats) - Engine: [Jacobs R-755B2M](https://openairdocs.org/engine/jacobs-r-755b2m) (registry code 35024) - Data sheets: [TCDS TC 598](https://openairdocs.org/tcds/TC%20598) (The Waco Aircraft Company), [TCDS E-237](https://openairdocs.org/tcds/E-237) (Air Repair Inc.) (OpenAirDocs) - Serial number: 4392 - Year built: 1936 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, other - Airworthiness date: October 7, 2021 - Certificate issued: July 8, 2021 - Expires: July 31, 2028 - Mode S code: A0E6CC - Registered owner: [Wentworth Charles G Trustee](https://openairdocs.org/faa-owner/WENTWORTH%20CHARLES%20G%20TRUSTEE) - Location: [Paso Robles, CA](https://openairdocs.org/faa-place/CA/Paso%20Robles) - Owner type: Individual - Owner's area on the map: 35.6591° N, 120.7176° W: Placed by OpenAirDocs at the center of ZIP code 93446, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=15718 - Page: https://openairdocs.org/aircraft/N15718 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 ZQC-6) None in force. ### Matched by engine (Jacobs R-755B2M) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N15718. ## NTSB investigations on N15718 not matched to an aircraft (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 OAK75DXQ42](https://openairdocs.org/ntsb/OAK75DXQ42), Mar 29, 1975: Piper PA-28 (N15718), Susanville, CA, substantial damage ## FAA accident and incident reports None matched to N15718. ## Reports on N15718 not matched to an aircraft (1) They name N15718, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Accident 19750329005489A](https://openairdocs.org/incident/19750329005489A), Mar 29, 1975: Piper PA28180 (N15718), Susanville, CA, Substantial damage ## 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) (11) 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 ZQC-6) - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation 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 ### Approved for the engine (Jacobs R-755B2M) - [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 SE572SW](https://openairdocs.org/stc/SE572SW): Installation of Jacobs RAS325A exhaust valve rotocaps. Air Repair Inc - [STC SE01288WI](https://openairdocs.org/stc/SE01288WI): Modification of Engines to replace carburetor with fuel injection. Data required: (1) Butterfly Aviation Master Drawing List Report BA1001-11, dated October 28, 2004, and (2) Butterfly Aviation Instructions for Continued Airworthiness Report BA1001-8, dated October 26, 2004, or later FAA Approved revisions to (1) or (2). Radial Engines Ltd - [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 SE639SW](https://openairdocs.org/stc/SE639SW): Continental W-670 link rods. Aircraft Engine Service Inc. Lists R-755B Series ## Related - Other Waco ZQC-6 aircraft: https://openairdocs.org/model/waco-zqc-6/aircraft.md - The Jacobs R-755B2M engine: https://openairdocs.org/engine/jacobs-r-755b2m.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.