# Accident 19910629024819A: Amtrkb TWINSTAR, Staples, MN, June 29, 1991

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 29, 1991, 20:05 local time
- Place: Staples, MN
- Airport: Staples Municipal Airport
- Damage: Destroyed
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: General operating rules (Part 91)
- Location: 46.3601° N, 94.8004° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=46.3601&lon=-94.8004&mi=10
- Aircraft: N503BP, a cancelled registration (https://openairdocs.org/deregistered/N503BP-1993-01-28) (OpenAirDocs)
- Registry model: Poage William Tipton TWINSTAR MK II (registry code 056188M, https://openairdocs.org/model/poage-william-tipton-twinstar-mk-ii) (OpenAirDocs)
- Reported make and model: AMTRKB TWINSTAR
- Reported engine: ROTAX ROTAX503
- Fatal injuries: 0
- Pilot flight hours: 300 total, 2 in the last 90 days
- NTSB investigation: [NTSB CHI91DER10](https://openairdocs.org/ntsb/CHI91DER10) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19910629024819A

## Narrative

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

ELEVATOR FLUTTER ON CLIMBOUT. TRIED TURN BACK. STALLED. VERTICAL IMPACT. TRIM WHEEL ASSEMBLY ALLOWED CABLE COME OFF

## 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 CHI91DER10](https://openairdocs.org/ntsb/CHI91DER10), Jun 30, 1991: Kolb Twinstar MK II (N503BP), Staples, MN, destroyed. Probable cause: THE DISCONNECTED ELEVATOR TRIM CABLE. RELATED FACTORS ARE THE INADEQUATE MAINTENANCE/INSTALLATION, AND THE PILOT'S INABILITY TO MAINTAIN AIRCRAFT CONTROL.

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.