# N81E: 1937 Stinson SR-8B - Status: Valid registration - Airframe: [Stinson SR-8B](https://openairdocs.org/model/stinson-sr-8b) (registry code 8631404, 5 seats) - Engine: [Lycoming R680-13](https://openairdocs.org/engine/lycoming-r680-13) (registry code 42408) - Data sheets: [TCDS ATC 608](https://openairdocs.org/tcds/ATC%20608) (Consolidated Vultee Aircraft Corporation Stinson Division) (OpenAirDocs) - Serial number: 9815 - Year built: 1937 - Type: Fixed wing single engine - Engine type: Reciprocating - Airworthiness: Standard, other - Airworthiness date: February 17, 2016 - Certificate issued: June 16, 2016 - Expires: June 30, 2029 - Mode S code: AB0767 - Registered owner: [Lunsford David R](https://openairdocs.org/faa-owner/LUNSFORD%20DAVID%20R) - Location: [Bayfield, CO](https://openairdocs.org/faa-place/CO/Bayfield) - Owner type: Individual - Owner's area on the map: 37.3018° N, 107.5375° W: Placed by OpenAirDocs at the center of ZIP code 81122, 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=81E - Page: https://openairdocs.org/aircraft/N81E 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 (Stinson SR-8B) None in force. ### Matched by engine (Lycoming R680-13) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N81E. ## FAA accident and incident reports None matched to N81E. ## 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) (21) 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 (Stinson SR-8B) - [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 SA2691SO](https://openairdocs.org/stc/SA2691SO): Installation of Cleveland hydraulic brake conversion kit no. 199-167. Rare Aircraft Ltd. Lists SR-8 Series - [STC SA6070NM](https://openairdocs.org/stc/SA6070NM): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. West Coast Air Creations - [STC SA00024NY](https://openairdocs.org/stc/SA00024NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. 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 SA00680SE](https://openairdocs.org/stc/SA00680SE): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. Electronics International - [STC SA1233GL](https://openairdocs.org/stc/SA1233GL): Surrendered and incorporated into STC SA00478CH. Cooper Aviation Supply Company, Inc - [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 SA320SO](https://openairdocs.org/stc/SA320SO): Conversion of airplane for parachute jumping. Luke's Flying Service. Lists SR-8 Series - [STC SA4-665](https://openairdocs.org/stc/SA4-665): Glass cloth applied over fuselage, wings, and horizontal and vertical stabilizers. Glasco-Air Products. Lists SR-8 Series - [STC SA707WE](https://openairdocs.org/stc/SA707WE): Ceconite 101 covering of complete airframe. Cooper Engineering Corporation. Lists SR-8 Series - [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 Stinson SR-8B aircraft: https://openairdocs.org/model/stinson-sr-8b/aircraft.md - The Lycoming R680-13 engine: https://openairdocs.org/engine/lycoming-r680-13.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.