# N3786A: 1981 Biesemeier David I SMYTH SIDEWINDER, registration cancelled 2015-04-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 1, 2015
- Status when cancelled: Second renewal notice
- Airframe: [Biesemeier David I SMYTH SIDEWINDER](https://openairdocs.org/model/biesemeier-david-i-smyth-sidewinder) (registry code 0564959)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 212581
- Year built: 1981
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 7, 1982
- Certificate issued: September 15, 1980
- Last registry action: April 9, 2012
- Mode S code: A454AE
- Owner when cancelled: [Biesemeier David I](https://openairdocs.org/faa-owner/BIESEMEIER%20DAVID%20I)
- Location: [Loveland, CO](https://openairdocs.org/faa-place/CO/Loveland)
- Owner type: Individual
- Owner's area on the map: 40.3831° N, 105.2004° W: Placed by OpenAirDocs at the center of ZIP code 80537, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3786A
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3786A
- Page: https://openairdocs.org/deregistered/N3786A-2015-04-01

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Biesemeier David I SMYTH SIDEWINDER: https://openairdocs.org/model/biesemeier-david-i-smyth-sidewinder.md

## 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 CEN14FA072](https://openairdocs.org/ntsb/CEN14FA072), Nov 27, 2013: Biesemeier David I Smyth Sidewinder (N3786A), Boulder, CO, destroyed, 1 fatal. Probable cause: The pilot’s abrupt maneuver, which exceeded the structural limits of the left wing and resulted in its in-flight separation.

## FAA accident and incident reports (1)

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 20131127025559A](https://openairdocs.org/incident/20131127025559A), Nov 27, 2013: Biesemeier David I SMYTH SIDEWINDER (N3786A), Longmont, CO, Destroyed, 1 fatal. On 11/27/2013, at approximately 1245 MST, aircraft N3786A, an experimental home-built smythe sidewinder, experienced an in-flight breakup. The fuselage…

## Other aircraft with N3786A

- [Cancelled 1979-02-05](https://openairdocs.org/deregistered/N3786A-1979-02-05): Piper PA-18-135, S/N 18-3391. Owner: [Oonk George B](https://openairdocs.org/faa-owner/OONK%20GEORGE%20B), [Saint Louis, MO](https://openairdocs.org/faa-place/MO/Saint%20Louis)

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