No fatalities

19 Jun 2015: LANCAIR ES - NO SERIES NO SERIES — Hampshire, IL

Hampshire, IL, United States

On 19 Jun 2015, a LANCAIR ES - NO SERIES NO SERIES was involved in an aviation accident near Hampshire, IL. No fatalities were reported. Investigators recorded the probable cause as: The failure of the brake master cylinder which resulted in a loss of brake pressure and the subsequent loss of directional control during the landing roll. This summary draws on records from NTSB; 8 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A pilot reported that during landing roll, the airplane turned left, exited the runway, and struck a hangar. Post-accident inspection revealed a failed master brake cylinder with no hydraulic fluid.

Incident Overview

The pilot reported that during the landing roll, he applied the brakes. The airplane subsequently made a left turn, exited the left side of the runway, and impacted a hangar. The left wing sustained substantial damage.

Post-Accident Examination

Following the incident, Federal Aviation Administration Air Safety Inspectors examined the airplane. The inspection identified a failure of the airplane's master brake cylinder. The master cylinder was found to be leaking hydraulic fluid, and no fluid was present in the brake system's reservoir.

Pilot Report

According to the pilot, there were no mechanical malfunctions or failures with the airplane prior to or during the flight that would have precluded normal operation.

Contributing factors

Master cylinder/brake valve — Failure