# N415HC: 2006 Quicksilver GT-400 R503

- Status: Valid registration
- Airframe: [Quicksilver GT-400 R503](https://openairdocs.org/model/quicksilver-gt-400-r503) (registry code 0590393, 1 seats)
- Engine: [Rotax 503 series](https://openairdocs.org/engine/rotax-503-series) (registry code 55564)
- Serial number: 1504
- Year built: 2006
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: November 15, 2007
- Certificate issued: October 14, 2023
- Expires: October 31, 2030
- Mode S code: A4E765
- Registered owner: [Grabiec Raymond T](https://openairdocs.org/faa-owner/GRABIEC%20RAYMOND%20T)
- Location: [Landers, CA](https://openairdocs.org/faa-place/CA/Landers)
- Owner type: Individual
- Owner's area on the map: 34.3377° N, 116.5137° W: Placed by OpenAirDocs at the center of ZIP code 92285, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=415HC
- Page: https://openairdocs.org/aircraft/N415HC

From the FAA registry file of October 21, 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. The registry lists only the engine series, so ADs for every Rotax 503 model are included.

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

### Matched by airframe (Quicksilver GT-400 R503)

None in force.

### Matched by engine (Rotax 503 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN17LA079](https://openairdocs.org/ntsb/CEN17LA079), Jan 1, 2017: Quicksilver GT-400 R503 (N415HC), New Braunfels, TX, substantial damage. Probable cause: The partial loss of engine power due to a loose spark plug. Contributing to the accident was the pilot's improper preflight inspection of the airplane.

## 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; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20170101000739A](https://openairdocs.org/incident/20170101000739A), Jan 1, 2017: Quicksilver GT-400 R503 (N415HC), New Braunfels, TX, Substantial damage. Approximately 15 minutes after departing kitty hawk flying field (TS67) in schertz, TX, pilot experienced a loss of engine power. Pilot attempted to land his…

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Quicksilver GT-400 R503 aircraft: https://openairdocs.org/model/quicksilver-gt-400-r503/aircraft.md
- STCs for the Quicksilver GT-400 R503: https://openairdocs.org/model/quicksilver-gt-400-r503/stcs.md
- The Rotax 503 series engine: https://openairdocs.org/engine/rotax-503-series.md

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