Narrative:The DC-3 had recently undergone a Turbo Conversion by Basler Turbo Conversions, Inc for its new owner, the government of Mali. Company founder and CEO Warren Basler was flying a Beechcraft A36 Bonanza (registered N3657A, c/n E-188) to take some photographs of the DC-3. On its last pass, the A36 circled behind the DC-3, then crossed over the top and hitting the top of the DC-3 at an altitude of 700 feet . About 5 seconds after impact, the DC-3 gently rolled/turned westbound (apparently descending and gaining airspeed); the left wing then came off, followed by the right wing about 2 seconds later.
Probable Cause:
PROBABLE CAUSE: "Failure of the Beech A36 pilot to maintain clearance from the modified Douglas DC-3, while positioning the A36 for photography of the DC-3."
Accident investigation:
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Investigating agency: | NTSB  |
Status: | Investigation completed |
Duration: | 275 days (9 months) | Accident number: | CHI97FA084A | Download report: | Final report
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Classification:
Mid air collision
Loss of control
Sources:
» ICAO Adrep Summary 1/98 (#49)
» Milwaukee Journal Sentinel Online
» NBC/WMTV
» NTSB Id CHI97FA084
Photos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does
not display the exact flight path.
Distance from Oshkosh-Wittman Field, WI to Manitowoc/Newton Municipal Airport, WI as the crow flies is 71 km (45 miles).
Accident location: Approximate; accuracy within a few kilometers.
This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.