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Sunday, July 7, 2019

Greenland


AIRBUS A380 F-HPJ Greenland Fan Hub Recovery by GEUS / BEA (June 2019)

A couple of years ago an airliner engine disintegrated while it was flying over the North Atlantic Ocean. The airliner landed with all passengers and crew safe in Goose Bay, Newfoundland, Canada. The airline people, pagans that they are, were unwilling to accept that an act of God caused the engine to fail. They wanted to examine the pieces of engine and apply their godless scientific acumen to try and figure out what happened. In order to do that though they needed to locate the pieces that fell off.

Map of flight path with altitudes
Being as the aircraft was over Greenland and they knew exactly where it was when this happened, if should be easy enough to find them. And they did find some of the pieces right off. But then it started snowing, winter came and they were stymied. Come the following spring they resumed their search, but now everything is covered with snow. And while they knew where some parts had fallen, other parts might be miles away. The airliner was flying along at 500 knots at an altitude of 35,000 feet when the engine exploded. Predicting where anything jettisoned from that altitude at that speed, not to mention rotating at several thousand RPM, will land is going to be guess work at best.

The Falcon 20 F-GPAA with SETHI. The two containers that it carries under the wings are part of the system - BEA via Austin Lines (Polar Research Equipment) and Thue Bording (Aarhus HGG)
But the science guys persisted. They got out their ground penetrating radar, attached it an airplane, flew a search pattern over the suspect area and got some hits.

Ground Penetrating Radar Set on Sled
Then the put their radar on a sled and dragged it back and forth over the snow until they had a pretty good idea where they might find something, and then they started digging.

The Bureau d'Enquetes et a'Analyses has a full report available (pdf).


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