# N98SN: 2003 Knoepflein Shannon LANCAIR LEGACY 2000, registration cancelled 2017-03-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 24, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Knoepflein Shannon LANCAIR LEGACY 2000](https://openairdocs.org/model/knoepflein-shannon-lancair-legacy-2000) (registry code 05615HS)
- Engine: [Continental IO-550 series](https://openairdocs.org/engine/continental-io-550-series) (registry code 17042)
- Data sheets: [TCDS E3SO](https://openairdocs.org/tcds/E3SO) (OpenAirDocs)
- Serial number: L2K-189
- Year built: 2003
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Lancair Intl Inc LANCAIR LEGACY 2000
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 17, 2003
- Certificate issued: April 15, 2003
- Last registry action: April 21, 2009
- Mode S code: ADAA68
- Owner when cancelled: [Knoepflein Shannon K](https://openairdocs.org/faa-owner/KNOEPFLEIN%20SHANNON%20K)
- Location: [Lebanon, KY](https://openairdocs.org/faa-place/KY/Lebanon)
- Owner type: Individual
- Owner's area on the map: 37.5442° N, 85.2256° W: Placed by OpenAirDocs at the center of ZIP code 40033, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N98SN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=98SN
- Page: https://openairdocs.org/deregistered/N98SN-2017-03-24

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 Knoepflein Shannon LANCAIR LEGACY 2000: https://openairdocs.org/model/knoepflein-shannon-lancair-legacy-2000.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 CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203), Aug 1, 2004: Knoepflein Lancair Legacy 2000 (N98SN), Madison, WI, destroyed, 1 fatal. Probable cause: A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems,…

## 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 20040801026859A](https://openairdocs.org/incident/20040801026859A), Aug 1, 2004: Amtr LANCAIRLEGAY (N98SN), Madison, WI, Destroyed, 1 fatal. (-23) I was contacted by roc at approximately 1850 that a small aircraft, a Lancair legacy 2000, N98SN had crashed short of the Madison Wisconsin airport…

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