# Accident 19870604018359A: Amtrqc CHALLENGER2, Redgranite, WI, June 4, 1987

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 4, 1987, 18:30 local time
- Place: Redgranite, WI
- Damage: Destroyed
- Phase of flight: In Traffic Pattern-Circling
- Operating rules: General operating rules (Part 91)
- Location: 44.0509° N, 89.1001° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=44.0509&lon=-89.1001&mi=10
- Aircraft: N56DZ, a cancelled registration (https://openairdocs.org/deregistered/N56DZ-2012-02-14) (OpenAirDocs)
- Registry model: Zank Don CHALLENGER II (registry code 05613RG, https://openairdocs.org/model/zank-don-challenger-ii) (OpenAirDocs)
- Reported make and model: AMTRQC CHALLENGER2
- Reported engine: ROTAX ROTAX503
- People aboard: 1
- Fatal injuries: 1
- Pilot flight hours: 60 total, 1 in this make and model, 1 in the last 90 days
- NTSB investigation: [NTSB CHI87DEP06](https://openairdocs.org/ntsb/CHI87DEP06) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870604018359A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

THE ULTRALIGHT AIRCRAFT IMPACTED IN A SWAMP. SUSPECT SEAT FAILURE FROM OVERWEIGHT PILOT, JAMMED CONTROLS.

## The NTSB's investigation of this event (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 CHI87DEP06](https://openairdocs.org/ntsb/CHI87DEP06), Jun 4, 1987: Zank Challenger II (N56DZ), Redgranite, WI, destroyed, 1 fatal

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. For accidents, the NTSB's own investigation is the fuller record.

---
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.
