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Accidents · NTSB NYC87LA115 · Preliminary: the investigation is not finished

Piper PA-31-350 accident near Bedford, Massachusetts, March 27, 1987

On March 27, 1987 at about 1:30 pm local time, a Piper PA-31-350, registered N40958, was substantially damaged in an accident near Bedford, Massachusetts (Hanscom Field). It was a personal flight under general aviation rules (Part 91). No one was hurt; 5 people were on board or involved. 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
March 27, 1987 · about 1:30 pm local time
Place
Bedford, Massachusetts · Hanscom Field
Type
Accident
Injuries
No one was hurt; 5 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-31-350 · all PA-31-350s on the register
Registration
N40958 · no longer on the register · serial 318152183
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

DURING TAXI OPERATION IN PREPARATION FOR TAKEOFF, THE LEFT MAIN GEAR OF THE AIRCRAFT IMPACTED AN UNMARKED OPEN MANHOLE AND THE AIRCRAFT WAS SUBSTANTIALLY DAMAGED.

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: private
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 4,152 hours in all; 115 in this make and model; 32 in the last 90 days; 4,000 as pilot in command
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: unk

The aircraft

  • Airframe total time: 1,876 hours
  • Last inspection: annual inspection, January 19, 1987; 16 hours since
  • Maximum gross weight: 7,000 lb
  • Seats: 8
  • Landing gear: retractable
  • Engine: Lycoming TIO-540-J28D (piston); 0 hours total

The flight

  • Departed from: BED at 1:30 pm
  • Destination: PWM Portland ME
  • Flight plan: IFR
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 320° at 10 knots
  • Visibility: 10 statute miles
  • Sky: not recorded; scat at 3,000 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers4

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.