# N16576: 1936 Waco YKS-6 - Status: Valid registration - Airframe: [Waco YKS-6](https://openairdocs.org/model/waco-yks-6) (registry code 9600832, 5 seats) - Engine: [Jacobs L4 /R755-7](https://openairdocs.org/engine/jacobs-l4-r755-7) (registry code 35003) - Data sheets: [TCDS A-533](https://openairdocs.org/tcds/A-533) (The Waco Aircraft Company) (OpenAirDocs) - Serial number: 4514 - Year built: 1936 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard - Airworthiness date: October 17, 1969 - Certificate issued: September 14, 2023 - Expires: September 30, 2030 - Mode S code: A107AD - Registered owner: [Dream Waco LLC](https://openairdocs.org/faa-owner/DREAM%20WACO%20LLC) - Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City) - Owner type: LLC - Owner's area on the map: 35.4890° N, 97.5190° W: Placed by OpenAirDocs at the center of ZIP code 73103, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=16576 - Page: https://openairdocs.org/aircraft/N16576 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 YKS-6) None in force. ### Matched by engine (Jacobs L4 /R755-7) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N16576. ## NTSB investigations on N16576 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 NYC86LA124](https://openairdocs.org/ntsb/NYC86LA124), May 10, 1986: Cessna 305A (N16576), Salem, NH, substantial damage ## FAA accident and incident reports None matched to N16576. ## Reports on N16576 not matched to an aircraft (1) They name N16576, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [Accident 19860510016689A](https://openairdocs.org/incident/19860510016689A), May 10, 1986: Cessna 305A (N16576), Salem, NH, Substantial damage. The towplane was unable to climb after a downwind takeoff. Struck a fence. The pilot failed to set a decision point ## 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 airframe (Waco YKS-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 SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY): The HIPEC Covering and Finishing System must be performed and maintained. HIPEC Aircraft Coatings Inc - [STC SE02712SE](https://openairdocs.org/stc/SE02712SE): Installation of the Oil Scavenging Pump System for Jacobs L-4 and R-755. Henry F. Rogers - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation Inc - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation - [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 SA2586NM](https://openairdocs.org/stc/SA2586NM): Installation of J.P. Instruments temperature monitoring systems. J P Instruments - [STC SA02428SE](https://openairdocs.org/stc/SA02428SE): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft. Henry F Rogers/David E Polley - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH): Installation of Cooper Superflite 102 Fabric. Aviation Products Systems Inc - [STC SA00432SE](https://openairdocs.org/stc/SA00432SE): Installation of EGT 701 series fuel flow instrument. J P Instruments - [STC SA00861SE](https://openairdocs.org/stc/SA00861SE): Installation of J.P. Instruments (JPI) fuel flow indicating system. J P Instruments - [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 SA2432CE](https://openairdocs.org/stc/SA2432CE): Operation of airplane on unleaded automotive gasoline 87 minimum anti-knock index and leaded automotive gasoline, 88 minimum antiknock index (RON+MON)/2. Petersen Aviation Inc ## Related - Other Waco YKS-6 aircraft: https://openairdocs.org/model/waco-yks-6/aircraft.md - The Jacobs L4 /R755-7 engine: https://openairdocs.org/engine/jacobs-l4-r755-7.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.