# NTSB DEN86LA197: Cessna A150N, N757GH, Akron, CO, July 14, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 13, 1986, 20:25 local (Jul 14, 1986, 02:25 UTC)
- Place: Akron, CO
- Coordinates: 40.159225, -103.209182 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.1592&lon=-103.2092&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: Approved by Office Director
- NTSB case key (mKey): 17011
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN86LA197
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17011/pdf
- Page: https://openairdocs.org/ntsb/DEN86LA197

## 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
  - weather condition - downdraft (cause)
  - weather evaluation - inaccurate, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - airport facilities,runway/landing area condition - open field

## Analysis

THE PLT STATED THE ACFT HE WAS PILOTING ENCOUNTERED A SEVERE DOWNDRAFT DURING INITIAL CLIMBOUT, WHICH FORCED THE ACFT TO THE GROUND. UPON GROUND CONTACT, THE ACFT NOSED OVER ONTO ITS BACK.

## Aircraft

- Registration: [N757GH](https://openairdocs.org/deregistered/N757GH-2012-10-19), registration cancelled 2012-10-19, S/N 15279725, built 1977 (OpenAirDocs)
- Reported make and model: CESSNA A150N
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 15279725
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Hayes Aviation, Inc.
- Registered owner: Peter Hofer
- Airworthiness certificate: Standard, Normal
- Airport: AKO, Akron-Wash County Arpt, runway 27, 4,100 × 50 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 305 total, 38 in this make and model, 242 as pilot in command, 2 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 22 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 79 °F

## 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 19860713036299A](https://openairdocs.org/incident/19860713036299A), Jul 13, 1986: Cessna 152, Akron, CO, Substantial damage. Took off soon after passage of turbulent weather. Forced down off airport by windshear. Nosed over in soft field.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.