# NTSB CHI83FU004: Para-Sail Glider, Battle Creek, WI, June 12, 1983

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Final report
- Date: June 12, 1983, 14:00 local (18:00 UTC)
- Place: Battle Creek, WI
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12037
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83FU004
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12037/pdf
- Page: https://openairdocs.org/ntsb/CHI83FU004

## Sequence of events

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

- In flight collision with object, maneuvering
  - low pass - performed, pilot in command (contributing factor)
  - proper altitude - not maintained, pilot in command (cause)
  - object - tree(s) (contributing factor)
  - clearance - not maintained, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE ULTRALIGHT VEHICLE WAS OBSERVED FLYING LOW OVER A GOLF COURSE. AS IT APPROACHED A TALL TREE, WITNESSES HEARD THE ADDITION OF POWER. HOWEVER, A WING HIT THE TREE & THE ULTRALIGHT SPIRALED DOWN & IMPACTED THE GROUND. THE PLT DID NOT POSSESS AN FAA PLT RATING.

## Aircraft

- Registration: UNREG (not matched to a registry record)
- Reported make and model: PARA-SAIL GLIDER
- Category: Ultralight, amateur-built
- Engines: CUYUNA UNKNOWN reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 103
- Registered owner: None

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 31; airplane ratings: single-engine land; medical: unknown, unknown

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 25 statute miles
- Lowest ceiling: none
- Temperature: 75 °F

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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