# NTSB CHI82DA229: Clancy Skybaby, N211SB, Grand Haven, MI, July 1, 1982

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Final report
- Date: July 1, 1982, 10:15 local (14:15 UTC)
- Place: Grand Haven, MI
- Coordinates: 43.050693, -86.220733 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0507&lon=-86.2207&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report July 1, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 70876
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI82DA229
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/70876/pdf
- Page: https://openairdocs.org/ntsb/CHI82DA229

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - maintenance,installation - inadequate, other maintenance personnel (cause)
  - landing gear,main gear attachment - loose (cause)
  - aircraft preflight - inadequate, pilot in command (cause)
  - landing gear,main gear attachment - loss,total (cause)
- Nose over, takeoff
  - terrain condition - soft (contributing factor)

## Analysis

DURING THE PILOTS FOURTH TAKEOFF ROLL OF THE DAY THE RIGHT WING BEGAN TO DROP AND THE AIRCRAFT DRIFTED OFF THE RUNWAY. POWER WAS REDUCED AND BRAKES APPLIED BUT THE AIRCRAFT OVERTURNED AFTER ENCOUNTERING A SOFT SODDED AREA. AFTER THE ACCIDENT IT WAS NOTED THAT THE 1/4 INCH BOLT WAS MISSING FROM THE REAR MOUNTING OF THE RIGHT LANDING GEAR RADIUS ARM. THE UNDAMAGED BOLT WAS FOUND ABOUT 100 FT EAST OF THE POINT WHERE THE PILOT STATED THAT THE AIRCRAFT STARTED TO DRIFT.

## Aircraft

- Registration: [N211SB](https://openairdocs.org/deregistered/N211SB-1994-06-07), registration cancelled 1994-06-07, S/N 6 (OpenAirDocs)
- Reported make and model: CLANCY SKYBABY
- Registry model: [Williams SPEZIO SPORT DAL-1](https://openairdocs.org/model/williams-spezio-sport-dal-1) (registry code 0561307) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 6
- Airframe hours: 5
- Engines: HENDERSON 38 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Ken Dannenberg
- Registered owner: Dick Lighthizer
- Departed: 3GM, GRAND HAVEN, MI
- Destination: 3GM, GRAND HAVEN, MI
- Airport: 3GM, Grand Haven Airpark, runway 27, 3,400 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 48; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 1,208 total, 3 in this make and model, 1,111 as pilot in command, 37 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 3 knots
- Visibility: 15 statute miles
- Temperature: 154 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19820701028519A](https://openairdocs.org/incident/19820701028519A), Jul 1, 1982: Amtr SKYBABY, Grand Haven, MI, Substantial damage. Right main gear collapsed on the takeoff roll. Airplane veered off runway and overturned. Gear attach bolt fell out

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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