# N440LS: 2008 Simpson Laurence Ray AMPHIBEOUS TRIKE

- Status: Valid registration
- Airframe: [Simpson Laurence Ray AMPHIBEOUS TRIKE](https://openairdocs.org/model/simpson-laurence-ray-amphibeous-trike) (registry code 05627FP, 2 seats)
- Engine: [Rotax 582UL](https://openairdocs.org/engine/rotax-582ul) (registry code 55558)
- Serial number: H20041
- Year built: 2008
- Type: Weight-shift-control
- Engine type: 2 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 6, 2008
- Certificate issued: May 4, 2010
- Expires: April 30, 2027
- Mode S code: A54BA8
- Registered owner: [Gates Larry J](https://openairdocs.org/faa-owner/GATES%20LARRY%20J)
- Location: [Rainier, OR](https://openairdocs.org/faa-place/OR/Rainier)
- Owner type: Individual
- Owner's area on the map: 46.0144° N, 122.9748° W: Placed by OpenAirDocs at the center of ZIP code 97048, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=440LS
- Page: https://openairdocs.org/aircraft/N440LS

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Simpson Laurence Ray AMPHIBEOUS TRIKE)

None in force.

### Matched by engine (Rotax 582UL)

None in force.

## Information bulletins (advisory)

None matched.

## 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 WPR14LA104](https://openairdocs.org/ntsb/WPR14LA104), Jan 25, 2014: Simpson Amphibeous Trike/No (N440LS), Chehalis, WA, substantial damage. Probable cause: The failure of the left wing prong.
- [NTSB SEA08LA207](https://openairdocs.org/ntsb/SEA08LA207), Sep 23, 2008: Simpson Amphibious Trike (N440LS), Lake Chelan, WA, substantial damage. Probable cause: The pilot's failure to maintain adequate airspeed during the initial climb, which resulted in an inadvertent aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the…

## 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 20140125000229A](https://openairdocs.org/incident/20140125000229A), Jan 25, 2014: Simpson Laurence Ray AMPHIBEOUS TRIKE (N440LS), Chehalis, WA, Substantial damage. Pilot stated he took off from Chehalis airport and noticed craft pulling hard to the left with noted vibration. Looked to left and noted wing flapping. Had…
- [Accident 20080923845389A](https://openairdocs.org/incident/20080923845389A), Sep 23, 2008: AMPHIBEOUSTR (N440LS), Chelan, WA, Substantial damage. (-23) After takeoff for first flight of this experimental amateur built weight-shift aircraft, from approximately 100-150 feet, pilot induced a stall/spin, the…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Simpson Laurence Ray AMPHIBEOUS TRIKE aircraft: https://openairdocs.org/model/simpson-laurence-ray-amphibeous-trike/aircraft.md
- The Rotax 582UL engine: https://openairdocs.org/engine/rotax-582ul.md

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