In article ,
says...

On Fri, 2 Aug 2013 08:12:21 -0400, iBoaterer wrote:

At that point you really should be worried about the back wheels of
your truck being on the slimy part of the ramp tho.
Lest you become the "U Boat commander"

http://gfretwell.com/ftp/uboat%20com...commander.html

I dropped off of a ramp at Lake Cumberland several years ago. The TVA
drains the lake down so you go there and the ramp may be 300 feet long,
not kidding! Well, it was at the bottom of the drawdown, so I ran the
trailer wheels off of the ramp. My truck tires where in the wet concrete
so I couldn't pull it out, had to hook my buddy's truck to mine. The
part that was an ass scruncher was the moment the trailer wheels went
over the lip and my truck started to skid backwards! It stopped
immediately but in that second or so, I was close to needing and
underwear change!

This guy got stuck in the slime, set the parking brake and went home
to get another car to pull out the truck. When he got back, 5 minutes
later, the truck was gone.

He really should have just sat there with his foot on the brake,
locking the FRONT wheels and called me. I could have been there in my
truck in a couple minutes but he thought it would stay there.
The funny thing was that there was a short 4x4 sitting right next to
the ramp that he could have chocked the front wheel with.

There is also the chain we use to block the ramp, attached to 8"
concrete filled pipes.
Hindsight is always 20 20

Well, I had a friend who had a broken down old pickup to haul his swamp
fishing Genoe around. Him and a buddy went fishing all day, caught
nothing. They get back to the river ramp, and while buddy #1 is getting
the truck, buddy #2 is across the river and finally, catching fish.
Buddy #1 backs truck and trailer down ramp, and buddy #2 picks him back
up because hey, there's fish on the other side. Here's the kicker,
standard transmission, and no parking brake. Has a 4x4 for a wheel chock
but forgets it in his haste to catch fish. When they turn around to go
to the truck, all they see is the antenna sticking out of the water!!