# NTSB DEN87LA083: Cessna 180B, N5207E, Boulder, CO, April 4, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 4, 1987, 11:00 local (18:00 UTC)
- Place: Boulder, CO
- Coordinates: 40.039726, -105.370475 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0397&lon=-105.3705&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 5, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 17189
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA083
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17189/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA083

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - compensation for wind conditions - inadequate, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - weather condition - unfavorable wind (contributing factor)
  - weather condition - gusts (contributing factor)
- Nose over, landing - roll

## Analysis

THE PLT REPORTS THAT HE WAS LANDING WITH A LT X-WIND AT 10 TO 15 KTS. HE SAID THAT AT OR JUST AFTER TOUCHDOWN A GUST OF WIND LIFTED THE LT WING AND THE ACFT SWERVED TO THE LT OFF THE RWY AND NOSED OVER.

## Aircraft

- Registration: N5207E (not matched to a registry record)
- Reported make and model: CESSNA 180B
- Category: Airplane
- Serial number: 50507
- Airframe hours: 3340
- Engines: CONTINENTAL O-470 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Kermit Lohry
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 30, 1986
- Departed: IV5
- Airport: IV5, Boulder, runway 8R, 4,100 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 396 total, 51 in this make and model, 340 as pilot in command, 45 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 10 knots, gusting 15
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 55 °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 19870404052549A](https://openairdocs.org/incident/19870404052549A), Apr 4, 1987: Cessna 180B, Boulder, CO, Substantial damage. A gust of wind lifted a wing on landing and the aircraft veered off the runway. High crosswinds a factor.

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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