26 July 2014

Last critical test done prior to A350 certification. Braking at high speed and high weight.

Airbus has carried out last 19/July the maximum-energy rejected take-off with its MSN1 prototype at the Istres base, final major test prior to certification of the A350-900.

While the A350 had already conducted rejected take-off tests (‘High Energy Rejected Take-Off’ HERTO) some months ago with MSN3, the maximum-energy event is intended to examine the extreme case of a rejection at high speed and high weight with braking capability at its limits.

Airbus says the brakes reach a temperature of around 1.400 ºC as a result of the energy absorbed in stopping the aircraft.

Under the certification criteria the aircraft must remain standing for 5 min before firefighters can cool the brakes.


Airbus says the test was "successfully performed" and the test team received full support from the “DGA (Délégation Générale pour l’Armement) – Essais en vols”, which played a key role in facilitating the test. The maximum-energy test (MERTO) is left until last because of the risk of damage to the aircraft.

The video of this test will be populated in coming weeks buy Airbus.

Based on the article “A350 rejects take-off at maximum energy” published in FlightGlobal

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