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Ice Falling From Aircraft  
User currently offlineTimmytour From United Kingdom, joined Dec 2004, 89 posts, RR: 0
Posted (8 years 7 months 1 week 2 days 21 hours ago) and read 2988 times:

My local paper today is carrying a headline about one such incident where the chunk of ice just missed an old guy tending his allotment.

Made me slightly nervous as his allotment is right next door to my children's school! I had visions of the same thing happening during term time and the block of ice landing in the playground!

It did make me wonder though, has anyone experienced such an occurence?

The story can be seen here..

http://www.hertsessexnews.co.uk/news...e%20a%20jolly%20lucky%20fellow.lpf

9 replies: All unread, jump to last
 
User currently offlineBOAC707 From United Kingdom, joined Nov 2003, 278 posts, RR: 3
Reply 1, posted (8 years 7 months 1 week 2 days 21 hours ago) and read 2970 times:

Actually, back in the early 80's as a member of the RCMP, I investigated a similar case where a chunk of blue ice went through a roof of a house in Deep Cove, BC. By checking ATC records we were able to pin point the plane and the Canadian Aviation authorities went after the airline (Canadian), and the pilot.

The chunk of ice was about the same size as what is reported above. Scary how much damage can be done....



smokey classics to the end of time
User currently offlineBroke From United States of America, joined Apr 2002, 1322 posts, RR: 3
Reply 2, posted (8 years 7 months 1 week 2 days 12 hours ago) and read 2778 times:

There have been several incidents of "blue ice" falling from aircraft. The basic cause is a fluid leak at the lavatory service panel causing a layer of ice to form on the outside of the airplane. When its weight and/or drag reach a sufficient level, the ice breaks away from the airplane.
On the 727, there is a lavatory service panel is on the left side of the airplane forward of the wing. On at least 4 occasions, when there was a leak at that location, the ice went over the wing and into the No. 3 engine. The engine seized immediately and the rotational energy was transmitted to the engine mounts resulting in the inflight physical loss of the entire engine. Happily, there were no injuries or damage in the location where the engine landed.
There have been several Airworthiness Directives (AD's) directed towards this problem in the United States, which resulted in a decrease in leaking lavatory service panels but not a complete absence.


User currently offlineGrbld From Netherlands, joined Dec 2005, 353 posts, RR: 3
Reply 3, posted (8 years 7 months 1 week 2 days ago) and read 2609 times:

Brings a whole new meaning to the term "taking a leak!"

Grbld


User currently offlineWhiteHatter From , joined Dec 1969, posts, RR:
Reply 4, posted (8 years 7 months 1 week 2 days ago) and read 2600 times:

There were also issues with the ATR-42 and ATR-72 which suffered ice buildup on the wings in certain conditions. It allegedly brought down an American Eagle flight.

I would think that they would be substantial blocks of ice to interfere with the ailerons, and could come loose.


User currently offlineMotif1 From United States of America, joined Sep 2005, 246 posts, RR: 0
Reply 5, posted (8 years 7 months 1 week 1 day 18 hours ago) and read 2484 times:

There was case a year ago in a neighboring town - Lynn, MA. A chunk of ice fell through the roof of an old lady's home. I remember the news on TV - big hole in ceiling.

An article is still available
http://www.boston.com/news/local/mas...e_from_airplane_crashes_into_home/

M1



Not only is this incomprehensible but the ink is ugly and the paper is from the wrong kind of tree
User currently offlineBroke From United States of America, joined Apr 2002, 1322 posts, RR: 3
Reply 6, posted (8 years 7 months 1 week 1 day 14 hours ago) and read 2412 times:

WhiteHatter, what you are talking about is the accumulation of ice on the wing leading edge due to flying in freezing precipitation. When that comes off of an airplane, it is in little bits and pieces that don't amount to anything.
The main affect is to badly reduce the wing's lift and result in what happened in the state in Indiana several years ago.
The ice accumulation due to a leaking lavatory service panel can produce a good size chuck of "blue ice". That doesn't affect the airplane much, but it could make a mess when and where it hits the ground.


User currently offlineRobsawatsky From Canada, joined Dec 2003, 597 posts, RR: 0
Reply 7, posted (8 years 7 months 1 week 1 day 13 hours ago) and read 2384 times:

Quoting BOAC707 (Reply 1):
Actually, back in the early 80's as a member of the RCMP, I investigated a similar case where a chunk of blue ice went through a roof of a house in Deep Cove, BC

I remember that one, but I thought there was a similar case over Delta, BC in the 90's?


User currently offlineBOAC707 From United Kingdom, joined Nov 2003, 278 posts, RR: 3
Reply 8, posted (8 years 7 months 1 week 1 day 13 hours ago) and read 2359 times:

There may have been, but I was back in Ontario by then....


smokey classics to the end of time
User currently offlineVgnAtl747 From United States of America, joined Apr 2001, 1513 posts, RR: 2
Reply 9, posted (8 years 7 months 1 week 1 day 8 hours ago) and read 2277 times:

I was working an IROP the other day and had some downtime to just hang out with the crew and talk- a similar topic came up, as our flight attendants are instructed to not use the galley drain, but rather to put coffee/soda/water in the physical garbage bag in the aircraft. Apparently due to the risk of the substance you're draining freezing in the drain pipe (which comes right out of the bottom of the aircraft on a CRJ, just aft of the nose gear).

There wasn't overall concern of chunks of ice falling from the aircraft, as the drain surface on the aircraft surface is heated, but rather the drain backing up and causing problems with maintenance- although I suppose if the heating surface on the underside of the aircraft was inoperable for some reason, this could potentially cause falling ice from the galley drain.



Work Hard. Fly Right. Continental Airlines
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