# NTSB DEN88LA171: Cessna 150, N704UN, Albuquerque, NM, August 4, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 3, 1988, 19:10 local (Aug 4, 1988, 01:10 UTC)
- Place: Albuquerque, NM
- Location: 35.0845° N, 106.6511° W: Placed by OpenAirDocs: center of Albuquerque, NM, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.0845&lon=-106.6511&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 3, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 17515
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN88LA171
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17515/pdf
- Page: https://openairdocs.org/ntsb/DEN88LA171

## Sequence of events

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

- In flight encounter with weather, takeoff - initial climb
  - preflight planning/preparation - inadequate, pilot in command(cfi) (cause)
  - weather condition - high density altitude (cause)
  - weather condition - windshear (cause)
  - weather condition - downdraft (cause)
  - climb - not attained
- Nose over, landing - roll
  - precautionary landing - performed, pilot in command(cfi)
  - terrain condition - rough/uneven (contributing factor)

## Analysis

THE INSTRUCTOR (CFI) & STUDENT PLT WERE ON AN INSTRUCTIONAL FLT. THE CFI RPRTD THAT WHILE CLIMBING THRU APRX 150' AGL, THE ACFT ENCTRD A DOWNDRAFT. HE TOOK THE CONTROLS, BUT THE ACFT DESCENDED TO ABOUT 10 FT AGL. THE CFI ELECTED TO LAND IMMEDIATELY TO AVOID A RESIDENTIAL AREA. DURING ROLLOUT ON ROUGH TERRAIN, THE NOSE WHEEL ENTERED A GULLY & THE ACFT NOSED OVER. OTHER PLTS IN THE AREA REPORTED LOW LEVEL WIND SHEAR AT THE TIME OF THE ACDNT.

## Aircraft

- Registration: [N704UN](https://openairdocs.org/deregistered/N704UN-2016-09-07), registration cancelled 2016-09-07, S/N 15078886, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150M](https://openairdocs.org/model/cessna-150m) (registry code 2071830) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15078886
- Airframe hours: 3302
- Engines: CONTINENTAL O-200-A 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Four Seasons Aviation
- Airworthiness certificate: Standard, Utility; Standard, Normal
- Last inspection: 100 hour, February 11, 1988, 48 hours before
- Departed: 4AC
- Destination: 4AC
- Airport: 4AC, Coronado, runway 17, 4,000 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 2,873 total, 392 in this make and model, 2,094 as pilot in command, 114 in the last 90 days, 22 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 4 knots, gusting 25
- Visibility: 40 statute miles
- Lowest ceiling: 5,000 ft broken
- Temperature: 84 °F
- Observed at: ABQ

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19880803030099A](https://openairdocs.org/incident/19880803030099A), Aug 3, 1988: Cessna 150M, Albuquerque, NM, Substantial damage. Encountered wind shear on climbout. Unable to sustain flight, landed in desert, struck a gully and nosed over.

## Other investigations on N704UN (1)

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.

- [NTSB FTW79DQG42](https://openairdocs.org/ntsb/FTW79DQG42), May 20, 1979: Cessna 150M (N704UN), Midland, TX, substantial damage

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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