# NTSB DEN84IA007: Boeing 727-222, N70634, Pueblo, CO, October 19, 1983

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: October 18, 1983, 20:15 local (Oct 19, 1983, 02:15 UTC)
- Place: Pueblo, CO
- Location: 38.2544° N, 104.6091° W: Placed by OpenAirDocs: center of Pueblo, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.2544&lon=-104.6091&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16266
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84IA007
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16266/pdf
- Page: https://openairdocs.org/ntsb/DEN84IA007

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Altitude deviation,uncontrolled, climb - to cruise
  - weather condition - turbulence,clear air (cause)

## Analysis

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.

## Aircraft

- Registration: N70634 (not matched to a registry record)
- Reported make and model: BOEING 727-222
- Category: Airplane
- Serial number: 18870
- Engines: P&W JT8-D15 15000 lbs thrust turbo jet
- Damage: No damage
- Flight: Part 121
- Registered owner: United Airlines
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, October 18, 1983, 0 hours before
- Departed: DEN, DENVER, CO
- Destination: ICT, WICHITA, KS
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 55; airline transport; airplane ratings: single-engine land, single-engine sea, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 60° at 10 knots
- Visibility: 30 statute miles
- Lowest ceiling: 25,000 ft overcast
- Temperature: 64 °F, dew point 37 °F
- Observed at: PUB, 5 nm away

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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