Agusta A109AII accident near So. Dartmouth, Massachusetts, January 13, 1987
On January 13, 1987 at about 11:50 am local time, a Agusta A109AII (helicopter), registered N300CC, was substantially damaged in an accident near So. Dartmouth, Massachusetts. It was an executive or corporate flight under general aviation rules (Part 91). 7 people had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- January 13, 1987 · about 11:50 am local time
- Place
- So. Dartmouth, Massachusetts
- Type
- Accident
- Injuries
- 7 people had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Agusta A109AII · all A109AIIs on the register
- Registration
- N300CC · no longer on the register · serial 7306
- Damage
- Substantial damage
- Flight
- Executive or corporate flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
AGUSTA N300CC DEPARTED A HELIPAD IN FRONT OF CLAREMONT CORP PRESIDENT'S RESIDENCE IN SOUTH DARTMOUTH, MASSACHUSETTS. AS THE HELICOPTER WAS HOVERING PRIOR TO MOVING FORWARD, THE TAIL ROTOR BLADE, S/N 124, FAILED. THE TAIL ROTOR ASSEMBLY AND GEARBOX SEPARATED FROM THE HELICOPTER. THE HELICOPTER LANDED HARD ON THE HELIPAD COLLAPSING ALL THREE LANDING GEARS.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: helicopter; instrument: airplane; instrument: helicopter; rotorcraft: helicopter
- Flight time: 5,500 hours in all; 256 in this make and model; 65 in the last 90 days
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 566 hours
- Last inspection: annual inspection, October 26, 1986; 45 hours since
- Maximum gross weight: 11,200 lb
- Seats: 8
- Landing gear: fixed
- Engine: Allison 250-C20B (turboshaft); 0 hours total
The flight
- Destination: S. Boston MA
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 34°F (1°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 6 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.