# Accident 19890530013449A: Bell 47G3B1, Keystone Height, FL, May 30, 1989

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 30, 1989, 08:45 local time
- Place: Keystone Height, FL
- Airport: Keystone Airpark Airport
- Damage: Substantial damage
- Phase of flight: Pwr Off Vert Land/Autorotate
- Operating rules: Agricultural (Part 137)
- Operator: ZORG
- Location: 29.7800° N, 82.0292° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=29.7800&lon=-82.0292&mi=10
- Aircraft: N53SP, a cancelled registration (https://openairdocs.org/deregistered/N53SP-2001-08-10) (OpenAirDocs)
- Registry model: Bell 47G-3B-1 (registry code 1181028, https://openairdocs.org/model/bell-47g-3b-1) (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Reported engine: LYC TVO435G1A
- Fatal injuries: 0
- Pilot flight hours: 11,800 total
- NTSB investigation: [NTSB MIA89LA165](https://openairdocs.org/ntsb/MIA89LA165) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19890530013449A

## Narrative

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

LOST TAIL ROTOR CONTROL ON START OF SPRAY RUN. AUTOROTATED SAFELY. TAIL ROTOR DRIVE SHAFT BECAME UNCOUPLED.

## 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 MIA89LA165](https://openairdocs.org/ntsb/MIA89LA165), May 30, 1989: Bell 47G-3B-1 (N53SP), Keystone Hgts., FL, substantial damage. Probable cause: THE TAIL ROTOR DRIVE SYSTEM BECAME DISCONNECTED DUE TO A BENT TAIL ROTOR DRIVE SHAFT. THE TREES CONTRIBUTED TO THE HELICOPTER DAMAGE.

## Other reports on N53SP (2)

Matched to the same aircraft by N-number and date.

- [Accident 20000901013999A](https://openairdocs.org/incident/20000901013999A), Sep 1, 2000: Bell 47G3B1 (N53SP), Canton, MS, Substantial damage. (-23) Heli contracted power wires during aerial application and crashed. (.4) on September 1, 2000, about 0935 central daylight time, a Bell 47G-3B-1, N53SP,…
- [Accident 19860620053139A](https://openairdocs.org/incident/19860620053139A), Jun 20, 1986: Bell 47G3B1 (N53SP), Cleveland, MS, Substantial damage. Unable to climb after liftoff. Collided with the ground. Aircraft over gross weight.

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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