# NTSB CHI84LA389: Denil Sonera II, N2265N, De Pere, WI, September 10, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: September 10, 1984, 14:30 local (19:30 UTC)
- Place: De Pere, WI
- Coordinates: 44.430683, -88.070259 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.4307&lon=-88.0703&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12773
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI84LA389
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12773/pdf
- Page: https://openairdocs.org/ntsb/CHI84LA389

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - directional control - not maintained, pilot in command (cause)
  - diverted attention, pilot in command (contributing factor)
  - object - wire,transmission (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

PLT STATED THAT ON INITIAL CLIMB, HE BECAME DISTRACTED BY AN INSECT IN THE COCKPIT AND THE ACFT DRIFTED OFF THE RIGHT SIDE OF THE RWY, COLLIDING WITH TELEPHONE LINES NEAR THE END OF THE RWY.

## Aircraft

- Registration: [N2265N](https://openairdocs.org/deregistered/N2265N-2012-08-31), registration cancelled 2012-08-31, S/N 00023, built 1978 (OpenAirDocs)
- Reported make and model: DENIL SONERA II
- Registry model: [Denil-David SONERAI II](https://openairdocs.org/model/denil-david-sonerai-ii) (registry code 05659D5) (OpenAirDocs)
- Registry engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 10023
- Airframe hours: 60
- Engines: Volkswagen 1700CC reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: David A. Denil
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Annual, April 10, 1984
- Departed: 92C, PULASKI, WI
- Destination: W178, GREEN BAY, WI
- Airport: WI78, Martins Aerodrome, runway 19, 2,000 × 100 ft

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 39; private; airplane ratings: single-engine land; medical: class 2, expired; flight hours: 400 total, 60 in this make and model, 25 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 240° at 5 knots
- Visibility: 10 statute miles
- Lowest ceiling: 3,500 ft broken
- Temperature: 70 °F, dew point 54 °F
- Altimeter: 29.00 inHg
- Observed at: GRB, 19 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 19840910047789A](https://openairdocs.org/incident/19840910047789A), Sep 10, 1984: Amtrmo SONERAI, De Pere, WI, Substantial damage. Aircraft on initial climb, struck telephone line, then ground. Pilot was distracted by a bug in cockpit.

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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