# N636SP: 1977 Swearingen SA-226T, registration cancelled 2006-11-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 13, 2006
- Status when cancelled: Triennial form not returned
- Airframe: [Swearingen SA-226T](https://openairdocs.org/model/swearingen-sa-226t) (registry code 8780122)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514)
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW) (OpenAirDocs)
- Serial number: T285
- Year built: 1977
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: December 8, 1977
- Certificate issued: July 24, 2003
- Last registry action: September 19, 2006
- Mode S code: A855A4
- Owner when cancelled: [Bln Engineering LLC](https://openairdocs.org/faa-owner/BLN%20ENGINEERING%20LLC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N636SP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=636SP
- Page: https://openairdocs.org/deregistered/N636SP-2006-11-13

From the FAA registry file of October 31, 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 Swearingen SA-226T: https://openairdocs.org/model/swearingen-sa-226t.md

## NTSB investigations (2)

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 CHI04LA096](https://openairdocs.org/ntsb/CHI04LA096), Mar 31, 2004: Swearingen SA226-T (N636SP), Omaha, NE, substantial damage. Probable cause: The pilot failed to maintain directional control during takeoff. Contributing factors to the accident were the runway light and the soft terrain.
- [NTSB NYC96LA026](https://openairdocs.org/ntsb/NYC96LA026), Nov 7, 1995: Fairchild Merlin Iiia (N636SP), Butler, PA, substantial damage. Probable cause: failure of the pilot to perform a missed approach, when the airplane was not properly aligned with the landing runway; and his failure to properly flare the airplane, which resulted in a hard landing.

## FAA accident and incident reports (2)

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 20040331005709A](https://openairdocs.org/incident/20040331005709A), Mar 31, 2004: Swrngn SA226T (N636SP), Omaha, NE, Substantial damage. (-23) Approximately 1705 CST on March 31, 2004, N636SP taxied to the approach end of runway 30 at Millard Airport for a VFR flight. Pilot stated he lined up…
- [Accident 19951107049209A](https://openairdocs.org/incident/19951107049209A), Nov 7, 1995: Swrngn SA226T (N636SP), Butler, PA, Substantial damage. (-16) [privacy data omitted] PIC failed to report this accident. This office received an anonymous phone call in reference to this accident ten days later…

## Other aircraft with N636SP

- [Registered now](https://openairdocs.org/aircraft/N636SP): Piper PA 46-350P, S/N 4636837, built 2024

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