# NTSB MKC83FA128: Beech J35, N3054C, Knoxville, IA, June 12, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: June 12, 1983, 09:00 local (14:00 UTC)
- Place: Knoxville, IA
- Coordinates: 41.310054, -93.099975 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.3101&lon=-93.1000&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 33334
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC83FA128
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/33334/pdf
- Page: https://openairdocs.org/ntsb/MKC83FA128

## Sequence of events

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

- Loss of control - in flight, maneuvering
  - low pass - performed, pilot in command
  - airspeed - not maintained, pilot in command (cause)
  - stall/spin - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE ACFT WAS OBSERVED TO LIFT OFF THE RWY AFT ABT A 900 FT GROUND ROLL. THE LNDG GEAR BEGAN TO RETRACT AS IT LIFTED OFF, AND IT BEGAN AN IMMEDIATE LEFT TURN OVERFLYING THE AIRPORT HANGARS. IT WAS FURTHER OBSERVED WITH THE WINGS ALIGNED WITH THE GROUND IN A 90 DEGREE LEFT TURN BFR ENTERING A RIGHT-HAND SPIN INTO THE GROUND.

## Aircraft

- Registration: [N3054C](https://openairdocs.org/deregistered/N3054C-2013-10-23), registration cancelled 2013-10-23, S/N D-5712, built 1958 (OpenAirDocs)
- Reported make and model: BEECH J35
- Registry model: [Beech J35](https://openairdocs.org/model/beech-j35) (registry code 1151522) (OpenAirDocs)
- Registry engine: [Continental I0-470 series](https://openairdocs.org/engine/continental-i0-470-series) (registry code 17027, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: D-5712
- Airframe hours: 2544
- Engines: CONTINENTAL IO-470C 250 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Knoxville Leasing Ltd
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 15, 1982, 69 hours before
- Departed: OXV, KNOXVILLE, IA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; private; airplane ratings: single-engine land, multi-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 1,000 total

## Weather

- Conditions: Visual (VMC), Day
- Wind: 160° at 18 knots
- Visibility: 7 statute miles
- Lowest ceiling: 25,000 ft overcast
- Temperature: 75 °F, dew point 63 °F
- Altimeter: 30.00 inHg
- Observed at: OTM, 32 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 19830612024739A](https://openairdocs.org/incident/19830612024739A), Jun 12, 1983: Beech J35, Knoxville, IA, Destroyed, 3 fatal. Executed a vertical climbing turn after takeoff. Entered an accelerated stall and spun until ground impact.

## Other investigations on N3054C (1)

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.

- [NTSB CHI69F0118](https://openairdocs.org/ntsb/CHI69F0118), Jun 29, 1968: Beech 35 (N3054C), Kalamazoo, MI, substantial damage

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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