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Accidents · NTSB CHI98LA350 · Final report

Piper PA-22-108 accident near Janesville, Wisconsin, September 17, 1998

On September 17, 1998 at about 4:50 pm local time, a Piper PA-22-108, registered N4749Z, was substantially damaged in an accident near Janesville, Wisconsin (Rock County airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

the pilot's failure to land the airplane at a proper touchdown point on the runway. A factor was the excessive rate of descent which developed on final approach.

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

What the record shows

Date
September 17, 1998 · about 4:50 pm local time
Place
Janesville, Wisconsin · Rock County
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Piper PA-22-108 · all PA-22-108s on the register
Registration
N4749Z · no longer on the register · serial 22-8305
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

The pilot reported the airplane started to sink while he was on short final. He applied power, but the airplane continued to descend until contacting the terrain short of the approach end of the runway.

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: private
  • Ratings: single-engine land
  • Flight time: 2,483 hours in all; 900 in this make and model; 21 in the last 90 days; 7 in the last 30 days
  • Medical certificate: Class 3 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,840 hours
  • Last inspection: annual inspection, October 1, 1997; 40 hours since
  • Maximum gross weight: 2,600 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-235-C (piston); 0 hours total

The flight

  • Departed from: 06C Schaumburg IL at 4:00 pm
  • Destination: JVL
  • Flight plan: none
  • Runway 13, 5,396 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 110° at 6 knots
  • Visibility: 10 statute miles
  • Sky: scat at 4,000 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg
  • Observation at 4:50 pm from JVL

Injuries

FatalSeriousMinorNone
Crew1

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.