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Accidents · NTSB CHI95LA141 · Final report

Amateur-built SNS-4 accident near Menomonee Falls, Wisconsin, May 1, 1995

On May 1, 1995 at about 5:14 pm local time, a amateur-built SNS-4, registered N2026, was substantially damaged in an accident near Menomonee Falls, Wisconsin (Aero Park airport). It was a personal flight under general aviation rules (Part 91). 2 people had minor injuries. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

the pilot's failure to maintain clearance with transmission wires. A factor in the accident was the transmission wires.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
May 1, 1995 · about 5:14 pm local time
Place
Menomonee Falls, Wisconsin · Aero Park · map
Type
Accident
Injuries
2 people had minor injuries.
Weather
visual conditions (good weather)
Aircraft
Amateur-built SNS-4
Registration
N2026 · no longer on the register · serial 202
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

DURING THE INITIAL CLIMB AFTER TAKEOFF, THE AIRPLANE STRUCK TRANSMISSION LINES AND THEN LANDED. WHILE LANDING THE AIRPLANE NOSED OVER AND CAME TO REST IN AN INVERTED POSITION.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: commercial pilot
  • Ratings: single-engine land; instrument: airplane
  • Flight time: 1,301 hours in all; 49 in this make and model; 12 in the last 90 days; 10 in the last 30 days; 1,169 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 49 hours
  • Last inspection: annual inspection
  • Maximum gross weight: 1,406 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-290G (piston); 0 hours total

The flight

  • Departed from: 76C at 5:14 pm
  • Flight plan: none
  • Runway 5, 1,250 ft by 110 ft

Weather at the time

  • Light: daylight
  • Wind: from 050° at 15 knots
  • Visibility: 10 statute miles
  • Sky: ovct at 20,000 ft
  • Temperature: 45°F (7°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.