# NTSB CHI83LA422: Boeing A75N1, N49684, Galesburg, IL, September 10, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 10, 1983, 11:00 local (16:00 UTC)
- Place: Galesburg, IL
- Coordinates: 40.950305, -90.370315 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.9503&lon=-90.3703&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12340
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA422
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12340/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA422

## Sequence of events

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

- Loss of control - on ground/water, taxi - from landing
  - weather condition - high wind (contributing factor)
  - compensation for wind conditions - improper, pilot in command (cause)
  - directional control - not maintained, pilot in command (cause)
  - ground loop/swerve - inadvertent, pilot in command (cause)

## Analysis

AFTER LANDING AT THE GALESBURG ARPT, THE PLT WAS TURNING ONTO THE TAXIWAY WHEN THE ACFT GROUND LOOPED IN STRONG WIND CONDITIONS. THE LEFT WING WAS SUBSTANTIALLY DAMAGED DURING THE MISHAP.

## Aircraft

- Registration: [N49684](https://openairdocs.org/aircraft/N49684), registered now, S/N 75-4802, built 1943 (OpenAirDocs)
- Reported make and model: BOEING A75N1 (A75-N1)
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 75-4802
- Airframe hours: 80
- Engines: CONTINENTAL W670-67 250 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: John F. Betz
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 29, 1983, 80 hours before
- Airport: GBG, Galesburg, runway 20, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 60; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: rear; flight hours: 950 total, 70 in this make and model, 830 as pilot in command, 26 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 210° at 16 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 88 °F
- Altimeter: 30.00 inHg
- Observed at: GBG

## 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 19830910048609A](https://openairdocs.org/incident/19830910048609A), Sep 10, 1983: Boeing A75N1, Galesburg, IL, Substantial damage. Lost control and ground looped while landing tail dragger in gusty wind.

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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