# Accident 19811114073799A: Hughes 369HS, Cahokia, IL, November 14, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: November 14, 1981, 11:19 local time
- Place: Cahokia, IL
- Airport: Bi State Parks
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 38.5709° N, 90.1901° W: Placed by OpenAirDocs: center of Cahokia, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.5709&lon=-90.1901&mi=10
- Aircraft: N9083F, a cancelled registration (https://openairdocs.org/deregistered/N9083F-1989-11-08) (OpenAirDocs)
- Registry model: Hughes 369HS (registry code 4470728, https://openairdocs.org/model/hughes-369hs) (OpenAirDocs)
- Reported make and model: HUGHES 369HS
- Reported engine: ALLSN 250C18C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 3,842 total, 362 in this make and model, 70 in the last 90 days
- NTSB investigation: [NTSB CHI82FCA01](https://openairdocs.org/ntsb/CHI82FCA01) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19811114073799A

## Narrative

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

WAS DEMONSTRATING PRACTICE AUTOROTATION TO PROSPECTIVE BUYER. ALLOW ROTOR RPM DECAY. HARD LANDING CHOPPED BOOM.

## 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 CHI82FCA01](https://openairdocs.org/ntsb/CHI82FCA01), Nov 14, 1981: Hughes 369HS (N9083F), Cahokia, IL, substantial damage

## Other reports on N9083F (1)

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

- [Incident 19810421023309I](https://openairdocs.org/incident/19810421023309I), Apr 21, 1981: Hughes 369HS (N9083F), Cahokia, IL, Minor damage. Smoke was observed coming from helicopter and pilot was advised to land. Oil filter bolt was stripped.

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.
