# Accident 19840505017089A: Bell 47D1, Ridge Farm, IL, May 5, 1984

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 5, 1984, 20:02 local time
- Place: Ridge Farm, IL
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: Agricultural (Part 137)
- Location: 39.8892° N, 87.6502° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.8892&lon=-87.6502&mi=10
- Aircraft: N13012, a cancelled registration (https://openairdocs.org/deregistered/N13012-2018-02-08) (OpenAirDocs)
- Registry model: Bell 47D1 (registry code 1180802, https://openairdocs.org/model/bell-47d1) (OpenAirDocs)
- Registry engine: Franklin 6V4 series (registry code 27033, https://openairdocs.org/engine/franklin-6v4-series) (OpenAirDocs)
- Reported make and model: BELL 47D1
- Reported engine: FRNKLN 6VS335A
- Fatal injuries: 0
- Pilot flight hours: 1,751 total, 313 in this make and model, 6 in the last 90 days
- NTSB investigation: [NTSB CHI84LA181](https://openairdocs.org/ntsb/CHI84LA181) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19840505017089A

## Narrative

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

LOST ENGINE AND ROTOR RPM AFTER TAKEOFF. MADE A HARD AUTOROTATION LANDING AND ROLLED OVER. NO ENGINE DEFECTS FOUND.

## 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 CHI84LA181](https://openairdocs.org/ntsb/CHI84LA181), May 6, 1984: Bell 47D-1 (N13012), Ridge Farm, IL, substantial damage

## Other reports on N13012 (2)

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

- [Accident 19980311003149A](https://openairdocs.org/incident/19980311003149A), Mar 11, 1998: Bell 47D1 (N13012), Jeanerette, LA, Substantial damage. Heli was practicing approaches when it started to vibrate vertically and laterally, landed hard. Jeanerette, LA (-23) on March 12, 1998, it was reported that…
- [Accident 19740706017979A](https://openairdocs.org/incident/19740706017979A), Jul 6, 1974: Bell 47D1 (N13012), Almyra, AR, Substantial damage. Spray pmp injestd stone whch causd eng accssry drv gr to shear

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.