# NTSB DEN89DTM01: Mickelson Mark V, N555KM, Ogden, UT, October 19, 1988

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Final report
- Date: October 19, 1988, 15:59 local (21:59 UTC)
- Place: Ogden, UT
- Location: 41.2046° N, 111.9977° W: Placed by OpenAirDocs from NTSB’s distance and direction from OGDEN-HINCKLEY (OGD), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.2046&lon=-111.9977&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report January 4, 1990
- Report: Approved by Office Director
- NTSB case key (mKey): 17559
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN89DTM01
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17559/pdf
- Page: https://openairdocs.org/ntsb/DEN89DTM01

## Probable cause

TOTAL LOSS OF ENGINE POWER FOR REASONS UNDETERMINED WHICH RESULTED IN A FORCED LANDING. THE PILOT INADVERTENTLY STALLED THE AIRCRAFT DURING THE FORCED LANDING, AND THAT IS CONSIDERED A FACTOR IN THE ACCIDENT.

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise
  - powerplant - undetermined (cause)
- Forced landing, descent - emergency
- Loss of control - in flight, descent - emergency
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Aircraft

- Registration: [N555KM](https://openairdocs.org/deregistered/N555KM-1990-03-14), registration cancelled 1990-03-14, S/N 00005 (OpenAirDocs)
- Reported make and model: MICKELSON MARK V
- Registry model: [Mickelson KM MARK V 100-200](https://openairdocs.org/model/mickelson-km-mark-v-100-200) (registry code 0565348) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 00005
- Airframe hours: 156
- Engines: LYCOMING O-320-B 150 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Kent J. Mickelson
- Airworthiness certificate: Special, Experimental (Special)
- Departed: OGD
- Destination: OGD
- Airport: OGD, Ogden Muni

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: center; toxicology performed; flight hours: 1,800 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 8 knots
- Visibility: 60 statute miles
- Lowest ceiling: none
- Temperature: 66 °F, dew point 37 °F
- Altimeter: 30.00 inHg
- Observed at: OGD, 1 nm away

## 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 19881019046619A](https://openairdocs.org/incident/19881019046619A), Oct 19, 1988: Semco MARKV, Ogden, UT, Destroyed, 1 fatal. Pilot called Ogden ATC,advised had dead engine. Homebuilt crashed making forced landing one mile from airport.

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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