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Accidents · NTSB NYC84LA257 · Preliminary: the investigation is not finished

Gates Learjet 25B accident near Waterville, Maine, July 28, 1984

On July 28, 1984 at about 7:45 pm local time, a Gates Learjet 25B, registered N1JR, was substantially damaged in an accident near Waterville, Maine (Lafleur airport). It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). 2 people were seriously injured and 3 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 November 2, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 28, 1984 · about 7:45 pm local time · cases in 1984
Place
Waterville, Maine · Lafleur · cases near this airport
Type
Accident
Injuries
2 people were seriously injured and 3 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Gates Learjet 25B · all 25Bs on the register
Registration
N1JR · registry record · serial 188
Damage
Substantial damage
Flight
Flight of an unrecorded kind · charter and air-taxi rules (Part 135)

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

DURING PREFLIGHT PREPARATION FOR DEPARTURE FROM A SHORT FIELD THE PLT FAILED TO REMOVE THE PITOT TUBE COVERS. ON TAKEOFF ROLL, THE STALL WARNING LIGHT BEGAN TO FLICKER. PLT NOTED AIRSPEED WAS NOT REGISTERING BUT DID NOT CONSIDER THIS UNUSUAL IN THE EARLY PART OF A TAKEOFF ROLL. PLT TURNED LEFT STALL WARNING SWITCH OFF, THEN BACK ON, WARNING LIGHT REMAINED ON. PLT THEN INITIATED ABORT PROCEDURES, USING FULL REVERSE THRUST AND BRAKES. THE ACFT OVERRAN RUNWAY BY ABOUT 100 FT AND DOWN A ROUGH EMBANKMENT WHICH SEPARATED THE LANDING GEAR.

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: airline transport pilot
  • Ratings: multi-engine land; instrument: airplane
  • Flight time: 10,440 hours in all; 375 in this make and model; 76 in the last 90 days; 7,542 as pilot in command
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 3,168 hours
  • Last inspection: annual inspection, March 27, 1984; 71 hours since
  • Maximum gross weight: 15,500 lb
  • Seats: 10
  • Landing gear: retractable
  • Engine: Ge 610 (turbojet); 0 hours total

The flight

  • Departed from: WVL Waterville ME at 7:45 pm
  • Destination: HPN White Plains NY
  • Flight plan: IFR
  • Runway 5, 5,000 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 045° at 18 knots
  • Visibility: 6 statute miles
  • Sky: not recorded; scat at 5,000 ft
  • Temperature: 72°F (22°C), dew point 55°F (13°C)
  • Altimeter: 30.00 inHg
  • Observation at 3:55 pm from AUG

Injuries

FatalSeriousMinorNone
Crew11
Passengers12

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.

Connections how this case links to the rest of the register

Aircraft
  • N1JR on the register today · the tail number may have moved to another aircraft since
  • Learjet 25 23 registered today · the model family and its accident history
  • Engine: Ge 610 · as the NTSB recorded it
Place

The whole map of how records connect · these connections as data: /graph/accident/NYC84LA257.json.

The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.

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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.