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Accidents · NTSB FTW87LA028 · Preliminary: the investigation is not finished

Piper PA-28R-180 accident near Montgomery, Texas, December 6, 1986

On December 6, 1986 at about 8:00 pm local time, a Piper PA-28R-180, registered N3171R, was substantially damaged in an accident near Montgomery, Texas (Conroe Muni airport). It was a personal flight under general aviation rules (Part 91). 2 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
December 6, 1986 · about 8:00 pm local time
Place
Montgomery, Texas · Conroe Muni · map
Type
Accident
Injuries
2 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Piper PA-28R-180 · all PA-28R-180s on the register
Registration
N3171R · registry record · serial 28R31119
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

A PRIVATE PILOT CHECK RIDE WAS INTERRUPTED BY A FORCED LANDING ON A GOLF COURSE AFTER HAVING EXPERIENCED SEVERE VIBRATIONS AND A LOSS OF POWER. DURING THE FORCED LANDING THE ACFT COLLIDED WITH A 10 FT TALL TREE AND NOSED DOWN TO TERRAIN IMPACT. INVESTIGATION REVEALED THAT THE #3 CYLINDER HAD SEPARATED FROM THE ENG. THE LARGE DIAMETER CYLINDER HOLD DOWN STUDS SEPARATED IN OVERLOAD, BUT THE LOWER SMALL DIAMETER STUDS WERE INTACT, INDICATING THAT THE CYLINDER HOLD DOWN NUTS HAD BACKED OFF.

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: single-engine land
  • Flight time: 90 hours in all
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 1,098 hours
  • Last inspection: annual inspection, April 27, 1986
  • Maximum gross weight: 2,500 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Lycoming O-360-B1E (piston); 0 hours total

The flight

  • Departed from: CXO Montgomery TX
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 110° at 12 knots
  • Visibility: 10 statute miles
  • Sky: broken clouds at 25,000 ft; scat at 18,000 ft
  • Temperature: 64°F (18°C), dew point 46°F (8°C)
  • Altimeter: 30.00 inHg
  • Observation at 7:52 pm from IAH, 29 miles away

Injuries

FatalSeriousMinorNone
Crew2

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.