- Date
- August 10, 1983, 08:13 local (13:13 UTC)
- Place
- Oconomowoc, WI
- Injuries
- 1 serious
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- UNREGBerwin Waspair Tomcat Tour
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- Case key
- 12365
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
In flight collision with object
Object - tree(s)Factor
Go-around - misjudgedCause
Clearance - inadequateCause
Climb - inadequateCause
Analysis
The ultralight collided with a tree during a go-around. The acft encountered an updraft during the landing attempt and the pilot decided to go-around. The acft was not able to gain alt fast enough to clear a tree at the end of the field. The pilot was in contact with an instructor via a walkie-talkie radio at the time of the accident.
Aircraft
- Registration
- UNREG
- Reported as
- Berwin Waspair Tomcat Tour (WASPAIR TO)
- Category
- Ultralight, amateur-built
- Engine
- Cuyuna UII-02, unknown
- Damage
- Substantial damage
- Flight
- Instructional · Part 103
- Registered owner
- Chip Berwin
- Airport
- NONE · None
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Airplane ratings
- Single-engine land
- Medical
- Unknown, Unknown
- Seat
- Center
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 170° at 5 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- 3,500 ft broken
- Temperature
- 73 °F
- Altimeter
- 30.00 inHg
- Observed at
- AUW, 13 nm away