# NTSB CHI85LA268: North American AT-6G, N29931, Dixon, IL, July 4, 1985

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: July 4, 1985, 15:00 local (20:00 UTC)
- Place: Dixon, IL
- Coordinates: 41.840053, -89.470123 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=41.8401&lon=-89.4701&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13123
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI85LA268
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13123/pdf
- Page: https://openairdocs.org/ntsb/CHI85LA268

## Sequence of events

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

- Vortex turbulence encountered, takeoff - initial climb
  - planning/decision - improper, pilot in command (cause)
- Loss of control - in flight, takeoff - initial climb
  - aircraft handling - not maintained
- In flight collision with terrain/water, takeoff

## Analysis

REPORTEDLY, THE PLT MADE A TOUCH-&-GO LANDING WHILE FOLLOWING AN SNJ ACFT. HE STATED THAT DURING THE TAKEOFF, THE ACFT HAD ACCELERATED TO 85 MPH WHEN HE LOWERED THE TAIL SLIGHTLY & THE ACFT LIFTED OFF NORMALLY. HE REPORTED THAT THE ACFT WAS APRX 4 TO 5 FT OFF THE RWY WHEN IT STARTED TO ROLL TO THE RIGHT. HE CORRECTED WITH AILERON & RUDDER, BUT THE ACFT CONTINUED TO THE RIGHT. SUBSEQUENTLY, THE ACFT IMPACTED THE GROUND & WAS DAMAGED. THE PLT ESTIMATED THE WIND WAS FROM 190 TO 200 DEG AT 12 KTS. APRX 35 MI NNE AT ROCKVILLE, IL, THE 1452 CDT WIND WAS FROM 210 DEG AT 18 KTS.

## Aircraft

- Registration: [N29931](https://openairdocs.org/aircraft/N29931), registered now, S/N 49-3449, built 1943 (OpenAirDocs)
- Reported make and model: NORTH AMERICAN AT-6G
- Registry model: [North American AT-6G](https://openairdocs.org/model/north-american-at-6g) (registry code 6400434) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 49-3449
- Airframe hours: 1447
- Engines: P&W R-1340-AN1 600 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Walter R. Breun, doing business as Boa Ltd.
- Registered owner: Boa Ltd.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, July 23, 1984, 84 hours before
- Airport: C73, Dixon Muni, runway 26, 3,900 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; private; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: front; flight hours: 1,070 total, 226 in this make and model, 755 as pilot in command, 20 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 12 knots
- Visibility: 15 statute miles
- Lowest ceiling: 8,000 ft broken
- Temperature: 88 °F, dew point 63 °F
- Altimeter: 29.00 inHg
- Observed at: RFD, 736 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 19850704071489A](https://openairdocs.org/incident/19850704071489A), Jul 4, 1985: Namer AT6G, Dixon, IL, Substantial damage. After liftoff did not have sufficient aileron or rudder control to stop right turn. Impacted ground.

## Other investigations on N29931 (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 LAX91LA392](https://openairdocs.org/ntsb/LAX91LA392), Sep 12, 1991: North American AT-6G (N29931), Reno, NV, substantial damage. Probable cause: THE FAILURE OF THE PILOT TO MAINTAIN AN ADEQUATE CLEARANCE BETWEEN THE AIRCRAFT AND THE GROUND WHILE MANEUVERING AROUND A PYLON, WHICH RESULTED IN A LOSS OF CONTROL DURING LANDING.

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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