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PICTURES: Finnish F-18 engine check reveals effects of volcanic dust
Flightglobal.com ^ | 16/04/2010 | Craig Hoyle

Posted on 04/17/2010 12:37:19 PM PDT by Paleo Conservative

The Finnish air force has released images showing the effects of volcanic dust ingestion from inside the engines of a Boeing F-18 Hornet fighter, while it prepares to make inspections on several additional aircraft.

Five of the air force’s Hornets were involved in a training exercise on the morning of 15 April, just hours before the imposition of airspace restrictions due to the ash cloud spreading from a major volcanic eruption in Iceland.

One aircraft’s engines have been inspected so far using a boroscope, with melted ash clearly visible on its inside surface. The air force decided to release the images to show the potentially damaging effects of current flight activities, says chief information officer Joni Malkamäki.

“The images show that short-term flying can cause substantial damage to an aircraft engine,” the air force says. Continued operation could lead to overheating and potentially pose a threat to the aircraft and its pilot, it adds.

Checks will soon be made on the other four aircraft involved, and some engines will be removed to help Finnish company Patria – which provides in-service support for the nation’s F-18 fleet – to assess the extent of any damage caused. Its fleet comprises 55 single-seat F-18Cs and seven two-seat trainers, with each powered by two General Electric F404-402 engines.

Finland halted air force training flights yesterday, but the air force will continue to perform operational sorties as required, such as air policing missions and national security tasks.

One of its BAE Systems Hawk jet trainers also flew from Kauhava air base twice yesterday carrying an air sampling pod which collected dust from the atmosphere at various altitudes.

The air force is sharing the gathered information with the Finnish civil aviation authorities, and says it will stage more such flights as requested.


TOPICS: News/Current Events
KEYWORDS: aerospace; navair
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To: Vroomfondel; SC Swamp Fox; Fred Hayek; NY Attitude; P3_Acoustic; Bean Counter; investigateworld; ...
SONOBUOY PING!

Click on pic for past Navair pings.

Post or FReepmail me if you wish to be enlisted in or discharged from the Navair Pinglist.
The only requirement for inclusion in the Navair Pinglist is an interest in Naval Aviation.
This is a medium to low volume pinglist.

21 posted on 04/17/2010 1:03:59 PM PDT by magslinger (Cry MALAISE! and let slip the dogs of incompetence.)
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To: Paleo Conservative
"Continued operation could lead to overheating and potentially pose a threat to the aircraft and its pilot..."

To say nothing of the crew and passengers...

22 posted on 04/17/2010 1:22:42 PM PDT by Windflier (To anger a conservative, tell him a lie. To anger a liberal, tell him the truth.)
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To: Paleo Conservative

Al Gore can fix it.


23 posted on 04/17/2010 1:54:49 PM PDT by ExTexasRedhead (Clean the RAT/RINO Sewer in 2010 and 2012)
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To: Paleo Conservative

A good anti-biotic cream should clear that up for you.


24 posted on 04/17/2010 2:18:39 PM PDT by TigersEye (Duncan Hunter, Jim DeMint, Michelle Bachman, ...)
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To: Paleo Conservative

Buy stock in any company that will profit from jet engine overhauls.


25 posted on 04/17/2010 2:23:37 PM PDT by HereInTheHeartland (Chairman Mao was a community organizer)
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To: ExTexasRedhead; Paleo Conservative
Al Gore can fix it.

That's right! It's high time we started to take him seriesly when he gives us a ManBearPig warning!

26 posted on 04/17/2010 3:04:55 PM PDT by lentulusgracchus
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To: Travis McGee

The Earth has an upset tummy and a fever, yaknow. (/algore)


27 posted on 04/17/2010 6:23:16 PM PDT by NormsRevenge (Semper Fi ... Godspeed .. Monthly Donor Onboard .. Chuck DeVore - CA Senator. Believe.)
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To: JoSixChip; Blackhawk
MICRO-FOD
28 posted on 04/17/2010 7:47:15 PM PDT by Tainan (Cogito, ergo conservatus)
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