# NTSB CHI85LA044: Wells KR-2, N4486V, Delaware, OH, November 3, 1984

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: November 3, 1984, 11:15 local (16:15 UTC)
- Place: Delaware, OH
- Coordinates: 40.290039, -83.080726 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.2900&lon=-83.0807&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12952
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA044
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12952/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA044

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - planning/decision - improper, pilot in command (cause)
  - weather condition - turbulence (contributing factor)
  - airspeed - inadequate, pilot in command (cause)
  - lack of total experience in type of aircraft, pilot in command (contributing factor)
- In flight collision with object, descent - uncontrolled
  - object - building(nonresidential) (contributing factor)

## Analysis

ACCORDING TO THE PLT, HE MADE A NORMAL TAKEOFF IN HIS HOME BUILT ACFT & STARTED TO CLIMB ON A FLT PATH THAT WENT OVER A WAREHOUSE. HE REPORTED THAT HE ENCOUNTERED A THERMAL & SEVERE TURBULENCE WHICH WERE CREATED BY THE WAREHOUSE. HE STATED THAT THIS CAUSED THE PLANE TO BANK STEEPLY TO ALMOST 90 DEG. THE PLT INITIATED CORRECTIVE ACTION, BUT THE ACFT WENT INVERTED & SUBSEQUENTLY CRASHED ONTO THE WAREHOUSE ROOF.

## Aircraft

- Registration: N4486V (not matched to a registry record)
- Reported make and model: WELLS KR-2
- Category: Airplane, amateur-built
- Serial number: 4707
- Airframe hours: 83
- Engines: REVMASTER 2100 reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Lrtoy A. Wells
- Airworthiness certificate: Special, Experimental (Special)
- Departed: DLZ, DELAWARE, OH

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 49; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 223 total, 2 in this make and model, 223 as pilot in command, 2 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 8 knots, gusting 8
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 43 °F, dew point 25 °F
- Altimeter: 30.00 inHg
- Observed at: CMH, 21 nm away

## 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 19841103075649A](https://openairdocs.org/incident/19841103075649A), Nov 3, 1984: Amtr KR2, Delaware, OH, Destroyed. Over corrected after encountering thermal and went inverted. At low altitude. Went thru warehouse roof.

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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