# NTSB MIA83LA155: Beech G18S, N5BA, Jacksonville, FL, June 7, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 6, 1983, 22:50 local (Jun 7, 1983, 02:50 UTC)
- Place: Jacksonville, FL
- Location: 30.4940° N, 81.6878° W: Placed by OpenAirDocs at JACKSONVILLE INTL (JAX), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.4940&lon=-81.6878&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30895
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA83LA155
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30895/pdf
- Page: https://openairdocs.org/ntsb/MIA83LA155

## Sequence of events

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

- Tail gear collapsed, landing - roll
  - landing gear,tailwheel assembly - fatigue (cause)
  - maintenance,inspection - inadequate, company maintenance personnel (cause)
- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, pilot in command (contributing factor)
  - ground loop/swerve - uncontrolled, pilot in command (contributing factor)

## Analysis

THE PLT REPORTED THAT DURING THE LANDING ROLL, WHILE ROLLING ON ALL 3 GEAR, THE TAILWHEEL FAILED & STEERED SIDEWAYS CAUSING THE ACFT TO VEER OFF THE RWY. AN INVESTIGATION REVEALED THE TAILWHEEL TRUSS AXLE HAD FAILED. A FURTHER INSPECTION REVEALED THAT 50% OF THE FRACTURE SURFACE WAS RUSTED. ADDITIONALLY, THE ACFT HAD RECEIVED A PHASE 3 INSPECTION UNDER THE COMPANIES PROGRESSIVE MAINTENANCE PROGRAM, 26 FLT HRS PRIOR TO THE ACCIDENT. THIS PHASE INSPECTION CALLED FOR INSPECTION & RETRACT TESTING OF THE LANDING GEAR SYS. COMPANY PERSONNEL STATED THAT INSPECTION OF THE TRUSS AXLE WAS NOT ACCOMPLISHED.

## Aircraft

- Registration: [N5BA](https://openairdocs.org/aircraft/N5BA), registered now, S/N BA-614, built 1962 (OpenAirDocs)
- Reported make and model: BEECH G18S
- Registry model: [Beech G18S](https://openairdocs.org/model/beech-g18s) (registry code 1151010) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: BA-614
- Airframe hours: 8745
- Engines: P&W R-985 450 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Operator: Bo-S-Aire Airlines Inc.
- Registered owner: Shirley J. Bowman
- Airworthiness certificate: Standard, Normal
- Last inspection: AAIP, May 21, 1983, 26 hours before
- Departed: ATL, ATLANTA, GA
- Flight plan: IFR
- Airport: JAX, Jacksonville, runway 7, 8,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; airline transport, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 4,200 total, 400 in this make and model, 4,040 as pilot in command, 75 in the last 90 days

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 190° at 3 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 75 °F, dew point 73 °F
- Altimeter: 29.00 inHg
- Observed at: JAX

## 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 19830606026299A](https://openairdocs.org/incident/19830606026299A), Jun 6, 1983: Beech G18S, Jacksonville, FL, Substantial damage. Tail wheel collapsed during landing roll. Investigation revealed that tail wheel truss axle failed.

## Other investigations on N5BA (2)

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 ATL83IA034](https://openairdocs.org/ntsb/ATL83IA034), Nov 16, 1982: Beech G18S (N5BA), Huntsville, AL, incident, minor damage
- [NTSB MIA82IA002](https://openairdocs.org/ntsb/MIA82IA002), Oct 12, 1981: Beech G18S (N5BA), Jacksonville, FL, 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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