# Heimberger Norm QUICKSILVER II

- Type: Aircraft model (FAA registry)
- Registry code: 05904OC
- Manufacturer (registry): HEIMBERGER NORM
- Model: QUICKSILVER II
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · 2 cycle
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Light sport
- Registered aircraft: 1
- Page: https://openairdocs.org/model/heimberger-norm-quicksilver-ii

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1)

- [N4NH](https://openairdocs.org/aircraft/N4NH): [Mission Aviators LLC](https://openairdocs.org/faa-owner/MISSION%20AVIATORS%20LLC), [Spring, TX](https://openairdocs.org/faa-place/TX/Spring), built 2010, S/N 0622

## 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…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Daus Charles J QUICKSILVER II](https://openairdocs.org/model/daus-charles-j-quicksilver-ii): 1 registered aircraft, registry code 05903DS
- [Quicksilver QUICKSILVER II](https://openairdocs.org/model/quicksilver-quicksilver-ii): 0 registered aircraft, registry code 0590312
- [Tippett Charles S QUICKSILVER II](https://openairdocs.org/model/tippett-charles-s-quicksilver-ii): 0 registered aircraft, registry code 05904W8

---
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.