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Air Astana ERJ-190 divert to Beja, Portugal after 90-minute flight with severe control problems
11 November 2018
Boeing 787-9 Dreamliner came within 10 feet of a drone on approach to Heathrow Airport, UK
The UK Airprox Board (UKAB) reported that a Boeing 787 Dreamliner came within 10 feet of a drone near London-Heathrow Airport, UK.
On June 25, 2018, the pilot of Virgin Atlantic flight VS301, a Boeing 787-9 Dreamliner, reported that a drone-like object had passed just below the right wing, avoiding impact with the engine by an estimated 10ft. The aircraft was at 3200 feet over Clapham Common, while on final approach to Heathrow Airport’s runway 27L at the time.
The UKAB “considered that the pilot’s overall account of the incident portrayed a situation where providence had played a major part in the incident and/or a definite risk of collision had existed.”
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Yakutia Superjet overrun: incorrect runway condition reported to crew
The Russian Federal Air Transport Agency (Rosaviatsiya) reported that the runway friction coefficient at Yakutsk Airport, Russia, was less than reported in the recent Sukhoi Superjet overrun accident.
On October 10, Yakutia Airlines flight 414, a Sukhoi Superjet, suffered a collapse of the main landing gear and a fuel leak when overrunning the runway into a construction area after a landing at Yakutsk.
Rosaviatsiya states that a runway friction coefficient of 0.45 was communicated to the flight during the approach After the accident new measurements were performed, showing friction coefficients of 0.25, 0.32, and 0.25 and the presence of ice on the runway.
The aircraft was dispatched with a deactivated thrust reverser on engine no.2. According to the limitations of the minimum equipment list (MEL), landing with deactivated engine reversers is allowed at a friction coefficient of not less than 0.4.
ICAO Doc 9137 (Airport Services Manual) – Part 2 (Pavement Surface Conditions), states that the braking action with a friction coefficient > 0.4 can be described as ‘good’. While the braking action for 0.25 as ‘poor’ and 0.32 as ‘medium’.