Enstrom F-28F accident near Manhattan, New York, October 22, 1986
On October 22, 1986 at about 8:45 pm local time, a Enstrom F-28F (helicopter), registered N8617B, was destroyed in an accident near Manhattan, New York. It was an aerial observation flight under general aviation rules (Part 91). 1 person was killed and 1 person was seriously injured. 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
- October 22, 1986 · about 8:45 pm local time
- Place
- Manhattan, New York · map
- Type
- Accident
- Injuries
- 1 person was killed and 1 person was seriously injured.
- Weather
- visual conditions (good weather)
- Aircraft
- Enstrom F-28F · all F-28Fs on the register
- Registration
- N8617B · no longer on the register · serial 700
- Damage
- Destroyed
- Flight
- Aerial observation flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE AIRCRAFT WAS CONTRACTED BY NBC TO MAKE DAILY HIGHWAY TRAFFIC OBSERVATIONS IN THE NEW YORK CITY AREA. THE PILOT AND PASSENGER, AN NBC RADIO TRAFFIC REPORTER, WERE FLYING IN A NORTHERLY DIRECTION ALONG MANHATTAN'S WEST SIDE AT AN ALTITUDE OF ABOUT 75 FEET. WITNESSES OBSERVED THE AIRCRAFT'S MAIN ROTOR BLADES STOP, THE AIRCRAFT DESCENDED RAPIDLY, STRUCK THE TOP OF A CHAIN LINK FENCE AT A RIVER PIER, CRASHED INTO THE HUDSON RIVER AND SANK IN 15 TO 20 FEET OF WATER. INVESTIGATION REVEALED THE SPRAG CLUTCH WAS INADEQUATELY LUBRICATED, HAD 'ROLLED OVER' IN THE OPPOSITE DIRECTION OF ITS DESIGN AND THE SPRAG ASSEMBLY WAS DAMAGED. SEVERAL SPRAGS AND BOTH ACTIVATING SPRINGS WERE BROKEN AND DIFFERENT SIZE SPRAGS WERE INSTALLED. AN UNAUTHORIZED, OVERHAULED CLUTCH HAD BEEN INSTALLED IN THE AIRCRAFT.
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: flight instructor, commercial pilot
- Ratings: instructor: helicopter; rotorcraft: helicopter
- Flight time: 1,647 hours in all; 51 in this make and model; 1,594 as pilot in command; 11,394 on instruments
- Medical certificate: Class 2 (valid medical--no waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 1,828 hours
- Last inspection: 100-hour inspection, October 6, 1986; 49 hours since
- Maximum gross weight: 2,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming HIO-360-F1AD (piston); 0 hours total
- Operator: Spectrum Helicopters,Inc.
The flight
- Departed from: Ridgefield Park NJ at 8:00 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 75°F (24°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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.