# N9915J: 1966 Schweizer SGS 1-23H-15, registration cancelled 2020-10-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 3, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Schweizer SGS 1-23H-15](https://openairdocs.org/model/schweizer-sgs-1-23h-15) (registry code 8050112)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS 1G1](https://openairdocs.org/tcds/1G1) (OpenAirDocs)
- Serial number: 71
- Year built: 1966
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Standard, normal
- Airworthiness date: March 25, 1966
- Certificate issued: June 19, 2014
- Last registry action: January 17, 2017
- Mode S code: ADD96A
- Owner when cancelled: [Post Mills Soaring Club Inc](https://openairdocs.org/faa-owner/POST%20MILLS%20SOARING%20CLUB%20INC)
- Location: [Lyme, NH](https://openairdocs.org/faa-place/NH/Lyme)
- Physical address: [Lyme Ctr, NH](https://openairdocs.org/faa-place/NH/Lyme%20Ctr)
- Owner type: Corporation
- Owner's area on the map: 43.8166° N, 72.0943° W: Placed by OpenAirDocs at the center of ZIP code 03768, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9915J
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9915J
- Page: https://openairdocs.org/deregistered/N9915J-2020-10-03

From the FAA registry file of November 7, 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 Schweizer SGS 1-23H-15: https://openairdocs.org/model/schweizer-sgs-1-23h-15.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 GAA18CA283](https://openairdocs.org/ntsb/GAA18CA283), May 13, 2018: Schweizer SGS123 (N9915J), Tunbridge, VT, substantial damage. Probable cause: The student glider’s inability to maintain altitude due to a loss of thermal lift, which resulted in an off-airport landing.

## 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 20180513007149A](https://openairdocs.org/incident/20180513007149A), May 13, 2018: Schweizer SGS 1-23H-15 (N9915J), Turnbridge, VT, Substantial damage. Student glider pilot departed the post mills airport (2B9) for a glider flight. As he was returning back to post mills airport in the area of tunbridge, VT…

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