# N540WF: 2008 Foster John GLASAIR III, registration cancelled 2018-01-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 24, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Foster John GLASAIR III](https://openairdocs.org/model/foster-john-glasair-iii) (registry code 056249C)
- Engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41585)
- Data sheets: [TCDS 1E4](https://openairdocs.org/tcds/1E4) (OpenAirDocs)
- Serial number: 001
- Year built: 2008
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 1, 2008
- Certificate issued: November 26, 2007
- Last registry action: November 26, 2007
- Mode S code: A6D9E6
- Owner when cancelled: [Foster John W](https://openairdocs.org/faa-owner/FOSTER%20JOHN%20W)
- Location: [Bethesda, MD](https://openairdocs.org/faa-place/MD/Bethesda)
- Owner type: Individual
- Owner's area on the map: 39.0048° N, 77.1027° W: Placed by OpenAirDocs at the center of ZIP code 20814, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N540WF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=540WF
- Page: https://openairdocs.org/deregistered/N540WF-2018-01-24

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 Foster John GLASAIR III: https://openairdocs.org/model/foster-john-glasair-iii.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 ERA10LA113](https://openairdocs.org/ntsb/ERA10LA113), Jan 13, 2010: Foster John Glasair III (N540WF), Oxford, CT, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain a proper approach path during visual conditions at dusk, which resulted in an in-flight collision with power lines.

## 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 20100113026189A](https://openairdocs.org/incident/20100113026189A), Jan 13, 2010: Foster John GLASAIR III (N540WF), Oxford, CT, Destroyed, 1 fatal. Pilot impacted steel cable over high tension wires 1/4 mi short of the approach end of runway 36 at oxc airport. Aircraft impacted the ground and bounced 144…

## Other aircraft with N540WF

- [Registered now](https://openairdocs.org/aircraft/N540WF): Scott Britton F1 ROCKET, S/N 024

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