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Turbulence In Croatia - Dangerous?  
User currently offlineTheSonntag From Germany, joined Jun 2005, 3570 posts, RR: 29
Posted (8 years 8 months 3 weeks 2 days 2 hours ago) and read 1692 times:

Today I did a daytrip to RJK on a HLX 737-700. Before we landed, we encountered extreme turbulence. I know that pilots have another definition of "dangerous" turbulence than ordinary passengers like me, but obviously even the flight crew found it rather bad, as they said in the evening ("There are 4 passengers onboard that came with us here in the morning, and I could understand if they chose never to fly again... But turbulence will be less severe now").

I read that a Tu134 crashed there in the 70s. These fall winds (boras) obviously can get very strong.

My question is, how dangerous are they? Obviously we landed safely and the flight crew certainly wouldn't even have tried if it was dangerous, but is turbulence an issue in Croatia?

Michael

5 replies: All unread, jump to last
 
User currently offlineStarlionblue From Greenland, joined Feb 2004, 17027 posts, RR: 67
Reply 1, posted (8 years 8 months 3 weeks 2 days ago) and read 1672 times:

Quoting TheSonntag (Thread starter):
Today I did a daytrip to RJK on a HLX 737-700. Before we landed, we encountered extreme turbulence. I know that pilots have another definition of "dangerous" turbulence than ordinary passengers like me, but obviously even the flight crew found it rather bad, as they said in the evening ("There are 4 passengers onboard that came with us here in the morning, and I could understand if they chose never to fly again... But turbulence will be less severe now").

What is extreme? As you say pax definition is not official definition. What may make pax scream could just be another day at the office for the pilots.

As for danger, turbulence is very rarely so powerful as to pose a danger to the aircraft, unless said aircraft is flown into a thunderstorm.

Plenty of areas have a lot of turbulence. I imagine the Balkans have Adriatic air meeting central European landmasses with the Alps thrown in for kicks. So there is added fun. But lifting up in clear skies without wind is risky without preparation  Wink



"There are no stupid questions, but there are a lot of inquisitive idiots."
User currently offlineDc863 From Denmark, joined Jun 1999, 1558 posts, RR: 2
Reply 2, posted (8 years 8 months 3 weeks 1 day 22 hours ago) and read 1660 times:

That crash was the result of an Aviogenex TU-134 making a last minute correction coupled with a wind gust just seconds before landing at Rijeka. I've flown to Zagreb many times and often have more turbulence flying over the Alps prior to entering Croat airspace.

User currently offlineFLY2HMO From , joined Dec 1969, posts, RR:
Reply 3, posted (8 years 8 months 3 weeks 1 day 21 hours ago) and read 1652 times:

Too much turbulence and too strong turbulence is dangerous everywhere, but I have to say mountainous areas have got to be the worst in strength and frequency. What does the topography around RJK look like? (I'm too lazy to search, its past my bedtime!  tired  )

User currently offlineTripleDelta From Croatia, joined Jul 2004, 1123 posts, RR: 7
Reply 4, posted (8 years 8 months 3 weeks 1 day 18 hours ago) and read 1637 times:
AIRLINERS.NET CREW
PHOTO SCREENER

Quoting FLY2HMO (Reply 3):
What does the topography around RJK look like?

RJK is badly positioned. The required previous 10 year's worth of wind data had not been properly researched prior to building the airport, leading to a wrongly positioned runway which causes these effects. It's one of the trickier airports to land in Cro, especially during the seasonal "bura" wind, that blows from approximately 030-060 heading at around 20-80 and up to 100 kts in it's high season.

RJK itself is located very near a steepish mountain side, so up- and down- draughts from it, as well as the tunnel effect between the islands, add to the difficulties. I flew a Reims Rocket there once, and keeping the CDI needles centered on the RWY 14 ILS was a challenge   . The bura itself is a common problem at all Croatian airports, and you'll see some of them having RWYs built right into it (ZAG, SPU, LOS, ZAD).

EDIT: less than a month ago, a parked An-2 was overturned by wind at RJK, despite being tied down...

[Edited 2005-12-11 09:39:00]


No plane, no gain.
User currently offlineGrbld From Netherlands, joined Dec 2005, 353 posts, RR: 3
Reply 5, posted (8 years 8 months 3 weeks 1 day 16 hours ago) and read 1612 times:

"Severe turbulence" is what happens when you actually get thrown out of your seat if you do not have your seatbelt on. And not a momentary drop so you feel that rollercoaster feeling in your stomach, but actually hitting the wall or ceiling with your head.

Anywhere where there are mountains combined with strong winds, you'll have turbulence, sometimes severe. The Bora is one of those situations.

Grbld


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