# NTSB DEN85LTG07: Aeronca 058B, N47500, Mott, ND, August 19, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 19, 1985, 07:00 local (13:00 UTC)
- Place: Mott, ND
- Coordinates: 46.370445, -102.309463 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=46.3704&lon=-102.3095&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16783
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN85LTG07
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16783/pdf
- Page: https://openairdocs.org/ntsb/DEN85LTG07

## Sequence of events

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

- On ground/water encounter with terrain/water, takeoff - roll/run
  - terrain condition - rough/uneven (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - terrain condition - soft (contributing factor)
  - directional control - not possible, pilot in command (cause)
  - ground loop/swerve - uncontrolled, pilot in command (cause)
- Main gear collapsed, takeoff - roll/run
  - landing gear,main gear - overload (contributing factor)

## Analysis

WHILE DEPARTING A STUBBLE FIELD, THE AIRCRAFT'S TIRE RAN INTO A SOFT SPOT IN THE GROUND AND THE AIRCRAFT TURNED AND STRUCK THE SHOULDER OF A ROAD. THE RIGHT GEAR BROKE AND THE RIGHT WING TIP STRUCK THE GROUND, THE RIGHT STRUT BROKE, THE TAIL WHEEL AND RUDDER WERE DAMAGED ALONG WITH THE PROP.

## Aircraft

- Registration: [N47500](https://openairdocs.org/aircraft/N47500), registered now, S/N 10563, built 1943 (OpenAirDocs)
- Reported make and model: AERONCA 058B
- Registry model: [Aeronca 0-58B](https://openairdocs.org/model/aeronca-0-58b) (registry code 0191006) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 10563
- Airframe hours: 2300
- Engines: CONTINENTAL 65-A 65 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Donald E Mitchell
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, September 19, 1984, 100 hours before
- Destination: MSP, FLEMMING, MN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; private; airplane ratings: multi-engine land, single-engine sea, single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: front; flight hours: 1,410 total, 1,200 in this make and model, 1,410 as pilot in command, 67 in the last 90 days, 67 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 15 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 19850819039509A](https://openairdocs.org/incident/19850819039509A), Aug 19, 1985: Aronca O58B, Mott, ND, Substantial damage. Tire hit soft spot on takeoff roll in field. Aircraft swerved into a road shoulder and the main gear collapsed.

## Other investigations on N47500 (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 MKC77FER44](https://openairdocs.org/ntsb/MKC77FER44), Jun 4, 1977: Aeronca O-58 (N47500), Isle, MN, 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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