dbwhitcon
Posts: 2
Joined: Sat Sep 24, 2005 5:23 pm

Emergency Landings

Sat Sep 24, 2005 6:35 pm

Why don't they use "Foam" for emergency landings anymore ?

Obviously I've been out of the aviation loop for too many years !
 
User avatar
HAWK21M
Posts: 29929
Joined: Fri Jan 05, 2001 10:05 pm

RE: Emergency Landings

Sat Sep 24, 2005 9:10 pm

Quoting Dbwhitcon (Thread starter):
Why don't they use "Foam" for emergency landings anymore

Depends on the Type of Emergency Landing,Where & Time Involved.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
pilotpip
Posts: 2821
Joined: Fri Sep 19, 2003 3:26 pm

RE: Emergency Landings

Sun Sep 25, 2005 12:18 am

Some of the reasons for not using foam that have been mentioned in other threads on here.

1) It reduces friction on the runway, requiring more distance and limiting directional control.

2) It impairs rescue ops.

3) The runway is rendered out of service until you can clean up an even bigger mess from the foam.

4) Emergency landings happen quite often and I think emergency officials have found that it's really not needed. Most large airports have large and very well equipped fire and rescue crews. They've refined their procedures and with today's technology and the infrequent nature of situations where the passengers don't walk away.

In my opinion the usage of foam adds more variables to an already precarious situation. JetBlue is a prime example of this. I would have wanted a dry runway that was as abrasvie as possible so I could stop as fast as possible (especially considering they had to already land long and not use reverse thrust). The fire crews were ready and would have quickly started working on any fire that occured. If that runway had been foamed, and one wheel had better traction than the other it would have started sliding, ending up backwards or cartwheeling through the grass next to the runway and in this case it would have made the situation much worse.
DMI
 
User avatar
HAWK21M
Posts: 29929
Joined: Fri Jan 05, 2001 10:05 pm

RE: Emergency Landings

Sun Sep 25, 2005 12:37 pm

Quoting Pilotpip (Reply 2):
If that runway had been foamed, and one wheel had better traction than the other it would have started sliding, ending up backwards or cartwheeling through the grass next to the runway and in this case it would have made the situation much worse.

I read somewhere that the Aft End of the Runway was foamed.Can Anyone Confirm/Deny.
regds
MEL
I may not win often, but I damn well never lose!!! ;)
 
pilotpip
Posts: 2821
Joined: Fri Sep 19, 2003 3:26 pm

RE: Emergency Landings

Mon Sep 26, 2005 1:14 am

A follow up on this. I talked to some firefighters here at STL about the foam issue. They never foam a runway for many of the reasons I stated above. Another thing they mentioned was that it does nothing for the parts of the aircraft that aren't submerged in the foam. It would be burning above the foam. They've found that it's better to hit the aircraft from the top and knock the flames down.
DMI
 
dbwhitcon
Posts: 2
Joined: Sat Sep 24, 2005 5:23 pm

RE: Emergency Landings

Sun Oct 02, 2005 9:19 pm

Thanks to all for the good info !
As I recall now, the only times I saw it used was in the late 50's early 60's on a/c carriers where of course they had arresting gear.
 
SlamClick
Posts: 9576
Joined: Sun Nov 23, 2003 7:09 am

RE: Emergency Landings

Sun Oct 02, 2005 11:00 pm

Last time I saw a runway foamed was at SAN back in the mid-70s. I twin Beech could not get his gear down, so they laid down about a thousand feet of foam on runway 31, which is closed now.

The pilot feathered both engines on very short final and the plane got so clean it almost glided past the foam before touching down. It did land in the foam, though, and slid to a stop near the end of the foam strip. There was no fire which was a good thing because the foam truck was almost empty from covering a runway which was not on fire. Even at the time it seemed like not an ideal use of the stuff.

It was a mess. That stuff, I'm told, was made from animal blood. It is very corrosive and stunk like hell.
Happiness is not seeing another trite Ste. Maarten photo all week long.

Who is online

Users browsing this forum: alomar and 16 guests

Popular Searches On Airliners.net

Top Photos of Last:   24 Hours  •  48 Hours  •  7 Days  •  30 Days  •  180 Days  •  365 Days  •  All Time

Military Aircraft Every type from fighters to helicopters from air forces around the globe

Classic Airliners Props and jets from the good old days

Flight Decks Views from inside the cockpit

Aircraft Cabins Passenger cabin shots showing seat arrangements as well as cargo aircraft interior

Cargo Aircraft Pictures of great freighter aircraft

Government Aircraft Aircraft flying government officials

Helicopters Our large helicopter section. Both military and civil versions

Blimps / Airships Everything from the Goodyear blimp to the Zeppelin

Night Photos Beautiful shots taken while the sun is below the horizon

Accidents Accident, incident and crash related photos

Air to Air Photos taken by airborne photographers of airborne aircraft

Special Paint Schemes Aircraft painted in beautiful and original liveries

Airport Overviews Airport overviews from the air or ground

Tails and Winglets Tail and Winglet closeups with beautiful airline logos