# Accident 19910127000999A: Amtrkb TWINSTAR, Round Lake, NY, January 27, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 27, 1991, 16:50 local time
- Place: Round Lake, NY
- Airport: Round Lake Airport
- Damage: Substantial damage
- Phase of flight: Final Approach
- Operating rules: General operating rules (Part 91)
- Location: 42.9306° N, 73.7902° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=42.9306&lon=-73.7902&mi=10
- Aircraft: N71817, a cancelled registration (https://openairdocs.org/deregistered/N71817-1997-03-14) (OpenAirDocs)
- Registry model: Hayes Clifford G KOLB TWINSTAR (registry code 0561854, https://openairdocs.org/model/hayes-clifford-g-kolb-twinstar) (OpenAirDocs)
- Reported make and model: AMTRKB TWINSTAR
- Reported engine: ROTAX ROTAX503
- People aboard: 1
- Fatal injuries: 1
- NTSB investigation: [NTSB NYC91DFA02](https://openairdocs.org/ntsb/NYC91DFA02) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910127000999A

## Narrative

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

WINGS FOLDED ON LANDING APPROACH HOME BUILT ON FIRST TEST FLIGHT FELL TO GROUND. STRUT ATTACH BOLTS WERE MISSING.

## 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 NYC91DFA02](https://openairdocs.org/ntsb/NYC91DFA02), Jan 27, 1991: Hayes Kolb/Twinstar (N71817), Round Lake, NY, substantial damage, 1 fatal. Probable cause: IN-FLIGHT STRUCTURAL FAILURE OF THE OUTBOARD WING ATTACHMENT FITTINGS ON BOTH WINGS DUE TO AN UNDETERMINED REASON.

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.