torsdag 14. juni 2018

Pussig, men ubehagelig hendelse - Wake Turbulence - Curt Lewis




Incident: Qantas A388 and Qantas A388 over Pacific on Jun 10th 2018, wake turbulence causes altitude deviation



A Qantas Airbus A380-800, registration VH-OQK performing flight QF-94 from Los Angeles,CA (USA) to Melbourne,VI (Australia), was enroute at FL310 over the Pacific Ocean about 2 hours into the flight when the aircraft encountered turbulence causing it to descend for about 10 seconds before the crew recovered the aircraft and returned it to the assigned flight level. The aircraft climbed to FL320 shortly afterwards and continued to Melbourne for a safe landing without further incident.

A Qantas Airbus A380-800, registration VH-OQF performing flight QF-12 from Los Angeles,CA (USA) to Sydney,NS (Australia), was enroute at FL320 over the Pacific Ocean about 2 hours into the flight, the aircraft had departed Los Angeles about 75 seconds prior to QF-94. The aircraft initiated a step climb to FL340 at or shortly after the occurrence.

The occurrence became known by passenger reports indicating that they had perceived a sudden loss of weight and were holding hands when their aircraft nose dived for about 10 seconds. The captain announced that they had experienced wake turbulence from another Qantas A380, they were now talking to ATC and were about to change their flight path slightly.

Based on the passenger reports Australia's TSB have asked Qantas for an explanation. A current theory is flight QF-94 encountered wake turbulence from flight QF-12.



Qantas A380 jet drops for 10 seconds

The plane, which was flying from Los Angeles to Melbourne, flew into the turbulence about two hours after taking off, the Aviation Herald reported.

A Qantas A380 superjumbo reportedly dropped for 10 seconds after flying through the wake turbulence of another jet over the Pacific Ocean.

The plane, which was flying from Los Angeles to Melbourne, flew into the turbulence about two hours after taking off, the Aviation Herald reported.

Passengers reported the sensation of a sudden loss of weight in the drop.

"We were all lifted from our seats immediately and we were in a free fall," passenger Janelle Wilson told The Australian.

Pilots recovered the jet from the drop and climbed to a new height 2000 feet above the original flight path, the Aviation Herald said.

It is understood Australia's Transport Safety Bureau (TSB) were planning to talk to Qantas about the incident.

Qantas flight QF94 experienced another incident last year when it turned around two hours after take-off when sparks were seen coming from an engine.

The A380 had been due in Melbourne on Sunday morning, but the pilot was forced to return to Los Angeles after one of four engines on board failed.

   

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