# Accident 20200907014369A: Cessna 208B, Whitemore, AZ, September 7, 2020

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 7, 2020, 12:49 local time
- Place: Whitemore, AZ
- Airport: Grand Canyon Bar Ten Airstrip
- Damage: Substantial damage
- Phase of flight: Landing: Touchdown
- Operating rules: Air taxi and commuter (Part 135)
- Operator: GCNA
- Location: 36.2564° N, 113.2308° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=36.2564&lon=-113.2308&mi=10
- Aircraft: N186GC, a cancelled registration (https://openairdocs.org/deregistered/N186GC-2023-04-07) (OpenAirDocs)
- Registry model: Cessna 208B (registry code 2073701, https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PT6A-114A (registry code 52257, https://openairdocs.org/engine/pratt-whitney-canada-pt6a-114a) (OpenAirDocs)
- Reported make and model: CESSNA 208B
- Reported engine: P&W CANADA PT6A-114A
- People aboard: 8
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 1,485 total, 575 in this make and model, 216 in the last 90 days
- NTSB investigation: [NTSB WPR20CA298](https://openairdocs.org/ntsb/WPR20CA298) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20200907014369A

## Narrative

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

ON 9/7/2020 AT ABOUT 1249 AZ TIME, N186GC WENT OFF THE RUNWAY AT GRAND CANYON BAR TEN AIRPORT IN WHITMORE, AZ.

PIC DUTY ON AT 0520 THAT AM AND IT WAS HIS 4TH FLIGHT OF THE DAY. PIC HAD 8.77 HOUR DUTY DAY ON 9/6 WITH FLIGHT HOURS OF 2.73. PILOT WAS OFF 2 DAYS BEFORE THAT.

THERE WERE 7 PASSENGERS ON BOARD THE AIRCRAFT. AIRCRAFT LEFT BOULDER CITY AND WAS FLYING DIRECT TO 1Z1.

REVIEW OF MANIFEST, WEIGHT AND BALANCE WAS WITHIN LIMITS AND SO WAS THE CG. LANDING WEIGHT WAS 7865 AND MAX LANDING WEIGHT FOR AIRCRAFT IS 8500.

WEATHER REPORTED BY PILOT: CLEAR SKIES AND CALM WINDS

UPON LANDING THE AIRCRAFT WAS PULLING TO THE LEFT

PIC STATED: "I APPLIED RIGHT RUDDER BUT THE AIRCRAFT KEPT DRIFTING LEFT. WHEN RELEASED RUDDER PRESSURE TO APPLY THE BRAKES, THE AIRCRAFT LEFT THE RUNWAY AT APPROXIMATELY MID FIELD AND IMPACTED SOME ROCKS"

PIC AND PASSENGERS EVACUATED. NO INJURIES NOTED.

DAMAGED WAS NOTED TO THE LEFT WHEEL, PROPELLER AND RIGHT WING.

ON 9/9 PMI INTERVIEWED THE DOM AND WAS THERE DURING THE DISASSEMBLE OF THE LEFT MAIN TIRE.

PMI PROVIDED THE FOLLOWING INFORMATION:

"THE WHEEL AND TIRE ASSY. WAS DISASSEMBLED ON A TABLE WITH TWO WHEEL HALVES, SPACER, BRAKE DRUM, ATTACHED NUTS & BOLTS AND CONTAINED A RUBBER INNER TUBE.

UPON INSPECTION OF THE TIRE, THE AMOUNT OF TREAD WAS STILL WAS SERVICEABLE AS THE TIRE HAD BEEN CHANGED ON 9/4/2020. THERE WERE A FEW CUTS IN THE TREAD BUT THESE CUTS HAD NOT PENETRATED INTO THE INNER TUBE. FAA FORM 8130-3 (AIRWORTHINESS APPROVAL TAG) SHOWS THIS S/N (82802455) AS A NEW PART THAT CAME FROM GOODYEAR TIRE & RUBBER CO.

UPON INSPECTION OF THE INNER TUBE, THE VALVE STEM WAS COMPLETELY SHEARED OFF AND FOUND LYING INSIDE OF THE TIRE. NO OTHER DAMAGE TO THE INNER TUBE WAS NOTED."

## 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 WPR20CA298](https://openairdocs.org/ntsb/WPR20CA298), Sep 7, 2020: Cessna 208 (N186GC), Whitmore, AZ, substantial damage. Probable cause: A loss of directional control during landing due to a flat main landing gear tire, which resulted in a lateral runway excursion and impact with terrain.

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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