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Accidents · NTSB DEN89LA159 · Final report

Bell 47G-3B-2 accident near Tierra Amarilla, New Mexico, July 7, 1989

On July 7, 1989 at about 4:00 pm local time, a Bell 47G-3B-2 (helicopter), registered N8132J, was substantially damaged in an accident near Tierra Amarilla, New Mexico. It was a personal flight under general aviation rules (Part 91). No one was hurt; 4 people were on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM DURING THE PREMATURE LIFT-OFF WHICH RESULTED IN A FORCED LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE HIGH DENSITY ALTITUDE CONDITIONS, AND UNSUITABLE TERRAIN.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 7, 1989 · about 4:00 pm local time
Place
Tierra Amarilla, New Mexico · map
Type
Accident
Injuries
No one was hurt; 4 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Bell 47G-3B-2 · all 47G-3B-2s on the register
Registration
N8132J · no longer on the register · serial 6772
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

A TAKEOFF WAS ATTEMPTED FROM A SKI SLOPE, HEADING NORTH, DOWN SLOPE. THE PLT ESTIMATED THE WINDS WERE NORTH AT 5 KNOTS. THE DENSITY ALTITUDE WAS COMPUTED TO BE 11,000 FT. THE PLT SAID THAT DURING HOVER FOR TAKEOFF, THE ROTOR/ENGINE RPM BEGAN TO DECAY. HE SAID HE OBSERVED THE ENGINE RPM AT 2,700 BEFORE THE CRASH. THE HELICOPTER CRASHED 130 FEET DOWN SLOPE FROM THE LIFT OFF POINT, AND ROLLED OVER. A POST ACCIDENT ENGINE RUN FAILED TO REVEAL ANY EVIDENCE TO EXPLAIN THE REPORTED LOSS OF POWER.

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; single-engine sea; instrument: airplane; rotorcraft: helicopter
  • Flight time: 5,500 hours in all; 50 in this make and model; 5,500 as pilot in command
  • Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 0 hours since
  • Maximum gross weight: 2,950 lb
  • Seats: 3
  • Landing gear: fixed
  • Engine: Lycoming TVO-435-B1 (piston); 0 hours total
  • Operator: El Aero Services, INC

The flight

  • Departed from: NONE at 5:00 pm
  • Destination: SAF
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 360° at 5 knots
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 64°F (18°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers3

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.