# NTSB CHI86FEP06: Patton Pitts S-1C, N3507, Hartford, WI, July 19, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 19, 1986, 15:10 local (20:10 UTC)
- Place: Hartford, WI
- Coordinates: 43.319465, -88.379051 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.3195&lon=-88.3791&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13313
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86FEP06
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13313/pdf
- Page: https://openairdocs.org/ntsb/CHI86FEP06

## Sequence of events

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

- Overrun, landing - roll
  - proper touchdown point - not attained, pilot in command (cause)
  - airspeed - misjudged, pilot in command (cause)
  - go-around - not performed, pilot in command (cause)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - crop (contributing factor)
- Nose over, landing - roll

## Analysis

THE PLT WAS ON AN AEROBATIC COMPETITION FLT. HE REPORTED THAT AFTER FINISHING A SEQUENCE OF AEROBATIC MANEUVERS, HE RETURNED TO THE RWY TO LAND. DURING THE LANDING, THE ACFT WAS HIGH ON FINAL APCH & TOUCHED DOWN TO FAR DOWN THE 2100 FT RWY. IT THEN CONTD OFF THE DEPARTURE END & WENT INTO A CORN FIELD & NOSED OVER.

## Aircraft

- Registration: [N3507](https://openairdocs.org/aircraft/N3507), registered now, S/N 110, built 1973 (OpenAirDocs)
- Reported make and model: PATTON PITTS S-1C
- Registry model: [Patton PITTS SIC](https://openairdocs.org/model/patton-pitts-sic) (registry code 7220230) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 110
- Airframe hours: 272
- Engines: LYCOMING O-290 125 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Registered owner: Lon Dienst
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Unknown, April 13, 1986, 36 hours before
- Departed: C31, HARTFORD, WI
- Airport: C31, Hartford Muni, runway 18, 2,100 × 195 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: center; flight hours: 509 total, 42 in this make and model, 509 as pilot in command, 40 in the last 90 days, 15 in the last 30 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 190° at 8 knots
- Visibility: 8 statute miles
- Lowest ceiling: 5,000 ft broken
- Temperature: 91 °F, dew point 75 °F
- Altimeter: 29.00 inHg
- Observed at: MWC, 22 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 19860719034539A](https://openairdocs.org/incident/19860719034539A), Jul 19, 1986: Child S1PITTS, Hartford, WI, Substantial damage. Touched down long and departed runway end. Flipped over in a cornfield.

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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