# Accident 19980830032099A: Amtr MINI500, Hattiesburg, MS, August 30, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 30, 1998, 16:30 local time
- Place: Hattiesburg, MS
- Airport: Bobby L Chain Municipal
- Damage: Substantial damage
- Phase of flight: Pwr On Vertical Ldng/Rtrcrft
- Operating rules: General operating rules (Part 91)
- Location: 31.3109° N, 89.3002° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=31.3109&lon=-89.3002&mi=10
- Aircraft: N9GH, a cancelled registration (https://openairdocs.org/deregistered/N9GH-2013-08-22) (OpenAirDocs)
- Registry model: Hall George D REVOLUTION MINI-500 (registry code 05604V2, https://openairdocs.org/model/hall-george-d-revolution-mini-500) (OpenAirDocs)
- Registry engine: Bombardier ROTAX (ALL) (registry code 09050, https://openairdocs.org/engine/bombardier-rotax-all) (OpenAirDocs)
- Reported make and model: AMTR MINI500
- Reported engine: ROTAX ROTAX582
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 6,400 total, 1 in this make and model, 100 in the last 90 days
- NTSB investigation: [NTSB MIA98LA236](https://openairdocs.org/ntsb/MIA98LA236) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19980830032099A

## Narrative

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

ON AUGUST 30, 1998, ABOUT 1500 CENTRAL DAYLIGHT TIME A HALL REVOLUTION MINI 500 HOMEBUILT HELICOPTER, N9GH, REGISTERED TO AN INDIVIDUAL, LANDED HARD AT HATTIESBURG, MISSISSIPPI, WHILE ON A TITLE 14 CFR PART 91 PERSONAL FLIGHT. VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME AND NO FLIGHT PLAN WAS FILED. THE AIRLINE TRANSPOR-RATED PILOT WAS NOT INJURED AND THE HELICOPTER RECEIVED SUBSTANTIAL DAMAGE. THE FLIGHT WAS ORIGINATING AT THE TIME OF THE ACCIDENT. THE PILOT STATED THAT AS HE HOVERED FORWARD AT A BRICK WALK, HE HEARD THE LOW ROTOR RPM HORN AND REDUCED THE COLLECTIVE CONTROL. THE HELICOPTER DESCENDED RAPIDLY AND TOUCHED DOWN ON THE "TOES" OF THE SKIDS. THE HELICOPTER BOUNCED BACK INTO THE AIR AND THE CYCLIC CONTROL GRIP SEPARATED FROM THE CYCLIC CONTROL STICK. THE CYCLIC CONTROL STICK MOVED TO THE FULL AFT POSITION AND THE MAIN ROTOR BLADES CONTACTED THE TAIL BOOM. (.4) THE PILOT STATED THAT AS HE HOVERED FORWARD AT A BRISK WALK, HE HEARD THE LOW ROTOR RPM HORN. HE LOWERED THE COLLECTIVE AND THE HELICOPTER DESCENDED RAPIDLY AND TOUCHED DOWN ON THE `TOES' OF THE SKIDS. THE HELICOPTER BOUNCED BACK INTO THE AIR AND THE CYCLIC CONTROL GRIP SEPARATED FROM THE CYCLIC          CONTROL STICK. THE CYCLIC CONTROL MOVED TO THE FULL AFT POSITION AND THE MAIN ROTOR BLADES CONTACTED THE TAIL BOOM. (-23) PILOT FLEW AN UNAIRWORTHY AIRCRAFT, DID NOT HAVE A REGISTRATION CERTIFICATE OR AIRWORTHINESS CERT. ON BOARD AIRCRAFT. BUILDER REMOVED IDENTIFICATION PLATE AND INFORMATION ON HELICOPTER, OPERATING LIMITATIONS, MAINTENANCE LOG BOOKS, REGISTRATION AND AIRWORTHINESS CERTIFICATE.

## 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 MIA98LA236](https://openairdocs.org/ntsb/MIA98LA236), Aug 30, 1998: Hall Revolution Mini 500 (N9GH), Hattiesburg, MS, substantial damage. Probable cause: The failure of the pilot to maintain main rotor rpm during a forward hover and the cyclic grip separating during the resultant bounced landing resulting in the pilot losing cyclic control and the…

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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