The U.S. aircraft register, updated daily
Accidents · NTSB DEN84IA007 · Preliminary: the investigation is not finished

Boeing 727-222 incident near Pueblo, Colorado, October 19, 1983

On October 19, 1983 at about 2:15 am local time, a Boeing 727-222, registered N70634, was involved in an incident near Pueblo, Colorado. It was a flight of an unrecorded kind under scheduled airline rules (Part 121). No one was hurt; 7 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 incident. 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 19, 1983 · about 2:15 am local time
Place
Pueblo, Colorado
Type
Incident
Injuries
No one was hurt; 7 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Boeing 727-222 · all 727-222s on the register
Registration
N70634 · registry record · serial 18870
Damage
Not recorded
Flight
Flight of an unrecorded kind · scheduled airline rules (Part 121)

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

THE ACFT EXPERIENCED AN UNCONTROLLED ALTITUDE DEVIATION AS A RESULT OF ENCOUNTERING CAT AT 27000 FT. IT CLIMBED AT 6000 FPM TO 3200 FT. THE ACFT WAS 40 TO 50 MILES NORTH & SLIGHTLYBELOW THE JET CORE. NO TURBULENCE WAS FORECAST.

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; single-engine land; single-engine sea; instrument: airplane
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Last inspection: continuous airworthiness programme, October 18, 1983; 0 hours since
  • Maximum gross weight: 142,000 lb
  • Seats: 147
  • Landing gear: retractable
  • Engine: P&W JT8-D15 (turbojet); 0 hours total

The flight

  • Departed from: DEN Denver CO at 1:50 am
  • Destination: ICT Wichita KS
  • Flight plan: IFR
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: night, dark
  • Wind: from 060° at 10 knots
  • Visibility: 30 statute miles
  • Sky: overcast at 25,000 ft; scat at 16,000 ft
  • Temperature: 64°F (18°C), dew point 37°F (3°C)
  • Observation at 1:49 am from PUB, 5 miles away

Injuries

FatalSeriousMinorNone
Crew7

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.

Other NTSB records under N70634 the same tail number, which may have belonged to a different aircraft at the time

2017-09-27CEN17LA376 · accident near Piqua, OH · substantial damage · no injuries

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.