JSF F-35 Lightning II at Paris Airshow 2011

The U.S. F-35Cs – 5th-generation-fighter a/c – showed below are CATOBAR fighter jets. CATOBAR stands for Catapult Assisted Take Off But Arrested Recovery. It means that this variant of the F-35 JSF – Joint Strike Fighter aka Lightning II – is designed to be launched from a CV (Carrier Vessel aka aircraft carrier), and it is designed to land thanks to arrestor (or arresting) wires and hooks – Video:

Volcanic ash posing a threat to flight safety

Sunday 5/22/2011 – Breaking news:

The Grimsvötn volcano began erupting yesterday. It is located underneath the uninhabited Vatnajokull glacier in southeastern Iceland. As it has been sending ash into the skies up to flight level 650 i.e. 65,000 ft or around 20 kilometers or 12 miles.

The European fleets might be grounded due to the spreading of an ash cloud which is forecast to drift over Scotland on Tuesday – May 24, 2011 – and expected to reach France and Spain by Thursday or Friday. Here is an interesting short documentary about how the scientists examine the volcanic ash, and how they determine that it can pose a threat to aircraft.

Watch the video:

Sukhoi Su-35S multirole fighter first test flights

Russia begins test flights of Su-35S series fighter

14:40 03/05/2011 Russia’s Sukhoi aircraft manufacturer has started test flights of its first series-produced Su-35S Flanker-E multirole fighter, the company said on Tuesday.>>

PW1000G geared turbofan engine

Aircraft saving CO2 emissions