# Accident 19891029043569A: Bell 47G2A1, Plymouth, IN, October 29, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 29, 1989, 08:05 local time
- Place: Plymouth, IN
- Airport: Plymouth Municipal Airport
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 41.3404° N, 86.3091° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=41.3404&lon=-86.3091&mi=10
- Aircraft: N500CD (not matched to a registry record)
- Reported make and model: BELL 47G2A1
- Reported engine: LYC VO435A1F
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 5,934 total, 200 in this make and model, 4 in the last 90 days
- NTSB investigation: [NTSB CHI90LA020](https://openairdocs.org/ntsb/CHI90LA020) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19891029043569A

## Narrative

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

APPLIED AFT CYLIC IMMEDIATELY ON TOUCHDOWN BY ERROR. MAIN ROTORS SEVERED TAIL BOOM. BIENNIAL AUTOROTATION MANEUVER.

## 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 CHI90LA020](https://openairdocs.org/ntsb/CHI90LA020), Oct 29, 1989: Bell 47G-2A-1 (N500CD), Plymouth, IN, substantial damage. Probable cause: THE STUDENT'S IMPROPER USE OF THE CYCLIC CONTROL AND THE INSTRUCTOR'S (CFI'S) INADEQUATE SUPERVISION.

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.

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