# Accident 19990106000189A: Gulstm 500S, Plymouth, IN, January 6, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: January 6, 1999, 13:15 local time
- Place: Plymouth, IN
- Airport: Plymouth Municipal Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: Air taxi and commuter (Part 135)
- Operator: BOEA
- Location: 41.3405° N, 86.3104° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=41.3405&lon=-86.3104&mi=10
- Aircraft: N50BA, a cancelled registration (https://openairdocs.org/deregistered/N50BA-2007-02-01) (OpenAirDocs)
- Registry model: Rockwell International 500-S (registry code 7630410, https://openairdocs.org/model/rockwell-international-500-s) (OpenAirDocs)
- Registry engine: Lycoming IO-540 series (registry code 41530, https://openairdocs.org/engine/lycoming-io-540-series) (OpenAirDocs)
- Reported make and model: GULSTM 500S
- Reported engine: LYC IO540K1E5
- People aboard: 6
- Fatal injuries: 0
- Pilot flight hours: 1,696 total, 1,318 in this make and model, 195 in the last 90 days
- NTSB investigation: [NTSB CHI99LA059](https://openairdocs.org/ntsb/CHI99LA059) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990106000189A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

BYERLY AVIATION AIR TAXI SLID OFF THE RWY AFTER LANDING AND SUSTAINED SUBSTANTIAL DAMAGE. NO INJURIES WERE REPORTED TO THE 6 POB. (.19) ON JANUARY 6, 1999, AT 1315 EASTERN STANDARD TIME, A ROCKWELL INTERNATIONAL 500-S, N50BA, OPERATED BY BYERLY AVIATION, INC., EXPERIENCED A LEFT MAIN GEAR COLLAPSED FOLLOWING A LOSS OF DIRECTIONAL CONTROL WHILE LANDING AT THE PLYMOUTH MUNICIPAL AIRPORT, PLYMOUTH, INDIANA. THE COMMERCIAL PILOT AND FIVE PASSENGERS WERE NOT INJURED. THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. THE 14 CFR PART 135 FLIGHT WAS BEING IN INSTRUMENT METEOROLOGICAL CONDITIONS ON AN IFR FLIGHT PLAN. THE FLIGHT ORIGINATED FROM PEORIA, ILLINOIS, AT 1100 CENTRAL STANDARD TIME. (.4) THE PILOT REPORTED HE LANDED ON RUNWAY 28; HOWEVER, SEVERAL WITNESSES REPORTED THE AIRPLANE LANDED ON RUNWAY 10.  UPON TOUCHDOWN THE AIRPLANE VEERED TO THE RIGHT AND CAME TO REST APPROXIMATELY 20 FEET OFF THE SOUTH SIDE OF THE RUNWAY ON A HEADING OF ABOUT 340 DEGREES.  THE PILOT REPORTED THE LOCAL WINDS WERE FROM 230 DEGREES AT 5 TO 10 KNOTS.

## The NTSB's investigation of this event (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 CHI99LA059](https://openairdocs.org/ntsb/CHI99LA059), Jan 6, 1999: Rockwell 500-S (N50BA), Plymouth, IN, substantial damage. Probable cause: the pilot's failure to maintain directional control of the airplane while landing. Factors associated with the accident were the tailwind condition and the pilot landing in the wrong direction.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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