# N120LF: 1984 Quicksilver GT-400

- Status: Valid registration
- Airframe: [Quicksilver GT-400](https://openairdocs.org/model/quicksilver-gt-400) (registry code 05901P8, 1 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: 1042
- Year built: 1984
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: March 3, 2007
- Certificate issued: February 20, 2025
- Expires: February 29, 2032
- Mode S code: A054B2
- Registered owner: [Frehafer Glenn A](https://openairdocs.org/faa-owner/FREHAFER%20GLENN%20A)
- Location: [Spring Valley, CA](https://openairdocs.org/faa-place/CA/Spring%20Valley)
- Owner type: Individual
- Owner's area on the map: 32.7252° N, 116.9903° W: Placed by OpenAirDocs at the center of ZIP code 91977, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=120LF
- Page: https://openairdocs.org/aircraft/N120LF

From the FAA registry file of October 24, 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 (Quicksilver GT-400)

None in force.

### Matched by engine (Rotax 503 DCDI)

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, 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 WPR26LA148](https://openairdocs.org/ntsb/WPR26LA148), Mar 23, 2026: Quicksilver GT-400 (N120LF), Chula Vista, CA, substantial damage. Probable cause: The pilot’s improper landing flare, which resulted in a bounced landing and a subsequent runway excursion.

## 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 20260323004849A](https://openairdocs.org/incident/20260323004849A), Mar 23, 2026: Quicksilver GT-400 (N120LF), Jamul, CA, Substantial damage. The pilot stated that he had recently aquired the aircraft and after several fast taxis to get the feel of the aircraft, he took off and climbed to 1000 ft…

## 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 Quicksilver GT-400 aircraft: https://openairdocs.org/model/quicksilver-gt-400/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.