# N4NH: 2010 Heimberger Norm QUICKSILVER II

- Status: Valid registration
- Airframe: [Heimberger Norm QUICKSILVER II](https://openairdocs.org/model/heimberger-norm-quicksilver-ii) (registry code 05904OC, 2 seats)
- Engine: [Rotax 582UL DCDI](https://openairdocs.org/engine/rotax-582ul-dcdi) (registry code 55563)
- Serial number: 0622
- Year built: 2010
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 30, 2010
- Certificate issued: May 31, 2023
- Expires: May 31, 2030
- Mode S code: A4A923
- Registered owner: [Mission Aviators LLC](https://openairdocs.org/faa-owner/MISSION%20AVIATORS%20LLC)
- Location: [Spring, TX](https://openairdocs.org/faa-place/TX/Spring)
- Owner type: LLC
- Owner's area on the map: 30.0395° N, 95.5344° W: Placed by OpenAirDocs at the center of ZIP code 77379, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4NH
- Page: https://openairdocs.org/aircraft/N4NH

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 (Heimberger Norm QUICKSILVER II)

None in force.

### Matched by engine (Rotax 582UL 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 CEN26LA097](https://openairdocs.org/ntsb/CEN26LA097), Jan 20, 2026: Quicksilver II (N4NH), Spring, TX, substantial damage, investigation ongoing

## 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 20260120002699A](https://openairdocs.org/incident/20260120002699A), Jan 20, 2026: Heimberger Norm QUICKSILVER II (N4NH), Spring, TX, Substantial damage. Engine run for 15 min prior to departure, including warmup/runup. Thermostat open and radiator warm to the touch. Normal operating temp reached. Departure 17L…

## 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.

## Earlier aircraft with N4NH

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N4NH before.

- [Cancelled 2003-10-16](https://openairdocs.org/deregistered/N4NH-2003-10-16): Agusta A109A II, S/N 7383, built 1987. Exported to Germany. Owner: [Foss Stephen W](https://openairdocs.org/faa-owner/FOSS%20STEPHEN%20W), [Hampton, NH](https://openairdocs.org/faa-place/NH/Hampton)

## Related

- Other Heimberger Norm QUICKSILVER II aircraft: https://openairdocs.org/model/heimberger-norm-quicksilver-ii/aircraft.md
- The Rotax 582UL DCDI engine: https://openairdocs.org/engine/rotax-582ul-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.