Runway excursion Accident Cessna 310G N8943Z,
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ASN Wikibase Occurrence # 188103
 
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Date:Friday 10 June 2016
Time:16:10
Type:Silhouette image of generic C310 model; specific model in this crash may look slightly different    
Cessna 310G
Owner/operator:Private
Registration: N8943Z
MSN: 310G-0043
Year of manufacture:1962
Engine model:Continental IO-470-D
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Orlando Apopka Airport (X04), Apopka, FL -   United States of America
Phase: Landing
Nature:Test
Departure airport:Apopka, FL (X04)
Destination airport:Apopka, FL (X04)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airline transport pilot reported that the accident flight was the airplane’s first flight following completion of an annual inspection. He added that there were no issues with the brakes while taxiing to fuel the airplane or to depart. After performing two touch-and-go landings and a go-around, the pilot approached the runway intending to conduct a full-stop landing. He stated that the airplane touched down at the normal point/location and that he then retracted the flaps during the landing roll but waited to apply brakes until the airplane approached the end of the runway. Upon applying the brakes, the left brake did not work, but the right brake did, which resulted in the airplane drifting right. The pilot realized that the airplane was going to exit the right side of the runway, so he secured the engines and attempted to maintain control while applying right braking in an effort to slow the airplane. The airplane travelled off the right side of the runway and impacted upsloping terrain.
Initial postaccident operational testing of the brakes revealed no discrepancies with the left brake. No brake system leaks were noted, and the fluid levels in both brake master cylinders were at correct levels. However, during subsequent operational testing of the left brake master cylinder, the left brake worked satisfactorily once but failed during subsequent testing.
Probable Cause: The intermittent failure of the left brake master cylinder, which resulted in asymmetric braking and the subsequent loss of directional control during the landing roll.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ERA16LA213
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=8943Z

Location

Revision history:

Date/timeContributorUpdates
13-Jun-2016 20:00 Geno Added
12-Jul-2016 07:10 Anon. Updated [Damage]
21-Dec-2016 19:30 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
26-Oct-2017 19:51 ASN Update Bot Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]

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