People do not need to carry knives with them, I do believe this would be a risk. I'd be happy with the ban lift for water! I really don't understand why we can't bring a water bottle that is sealed...

On 9-11 had there only been one American Patriot on each of those planes carrying either a firearm or a knife....9-11 would be just another day.

This new policy does seem to put flight attendants are more of a risk. I saw one former transportation safety official on CNN last night say knives and bats should be allowed because they can't "bring a plane down." That's all well and good, but what about the flight attendants and passengers?

it seems you didn't see where I wrote "carrying".....meaning possessing at the critical moment....able, prepared, and willing to act....as those Patriots were.

I agree with Diane. Water should be allowed. Knives has a broad definition in that sense no knifes. But for example I do not see the increase in risk for a small knife with a blade under three inches (not four) to be carried on board. Since just about anything already on a plane can be fashioned into a shank allowing a small knife on board does not increase the risk of injury to anyone.
Security people know if there is someone out there that wants to do harm bad enough they will. No rule about small knifes (or rule in general) can change this fact.

A policy that says “no knives allowed” will not stop a bad guy from boarding a plane with a knife. This policy was not designed to protect flight attendants or passengers and therefore was never effective and never made sense.

I don’t know enough about liquid explosives to know if the ban on liquids makes any sense.

The reinforced cockpit doors and a “Do not open” policy does make sense (to me anyway).

Furthermore....Christopher....there were Patriots on all the flights. Not one of them, however, was trusted enough by their government to carry a weapon.

If we had Patriots on all of the flights, it would be a lot more interesting. You're talking about NFL players, right?

NO

How much time will be wasted measuring each blade? Forget it.

I know STUPID when I see it or hear it and this change is STUPID!! If people feel the need to bring knives with them to their destinations, then put them in their Checked Baggage where they do not have access, not in their carry on bags. Water is OK if it is purchased at authorized suppliers after going through security. Bringing an "unopened" bottle of water that is brought to the airport is still not a good idea because terrorists know how to load "sealed" containers with various liquids, many of which are clear, like water!! Buy your water near the gate or onboard the plane and feel safe.

And I hope that we have not forgotten our Brethren Buyers from TJX who lost their lives on 9/11. Forgetting History is the first step towards another disaster!! Let's be smart and let's not forget! A touch of compassion towards the family and friends of these folks would be appropriate at this time and going foward.

Fyi as a chemist I can not begin to list the liquids that look like water but are not water and could easily bring down a plane. Currently they will agitate a solution to see how the bubbles form and dissipate to determine if it's water...in reality this doesn't work because there are many dangerous liquids that behave like water...I am not going to list anything here because I like flying on planes and don't want to end up on a list...
If you want water buy a bottle once you have cleared security...
But ignorance is bliss...

Why would you have a knife in the first place?

I'll repeat myself, and correct me if I'm wrong, pre 9/11 you could carry a knife on a plane.

I have lost 2 pocket Swiss Army "pocketknives" to the rules. The first because I hadn't been aware of the rule, the second because I just didn't think about it. I use tools; "pocketknives" are very handy, compact tool kits. I was lost without a "pocketknife" when I got to my destinations. It becomes an extension of your skill set, much like personal electronics (smartphones, tablets) in the current years. I have always carried one for over 40 years and used some aspect at least daily. But a single bladed knife wouldn't do me much good - I prefer a utilitarian tool for my needs. This rule change also brings the US inline with international standards, cutting down on confusion. More knowledge, less fear.

Water is not allowed because no liquids are allowed to brought through security. The reason is that a plot was uncovered to bring explosive chemicals aboard in separate containers, mix them onboard and be able to detonate. This could bring the plane down. The seals on water bottles can be faked very easily, buy your water inside security. Knives should be allowed, here's why. Prior to 9-11 the cockpit door was not as secure as it is today. Also air crews were caught off guard by the way the plot unfolded this element of surprise will never again be as dramatic.

I think that some folks are missing the point that stewards and stewardesses are making which is while the cockpit door is secure, what will stop a terrorist from using a knife to torture, maim or kill those that are in the main cabin? Should the pilots continue on with their flights and work to land the plane while they hear the screams of those in the cabin that are falling prey to terror? I still think it's not a good idea. Leave the knives off the planes!!

That is definitely a concern Joe but as I have pointed out, a policy does not stop the bad guys. And as others have said, a blade or shank can be formed from many things. There are also very long, strong and sharp blades made of ceramic and even plastic these days which may not be detected by our TSA screening practices.

So while the good guys are having their belongings confiscated, the bad guys are not really being deterred at all (by this rule).

Am I the only one who would rather face someone carrying a pocket-knife on a plane than someone wielding a golf club on a plane?

I've never seen anyone try to bring a golf club on a plane, so I'm baffled at why golf clubs were included in the change. I haven't seen a whole lot of golf clubs laying with the half empty water bottles and pocket knives at the entrance to security either. I'm wondering whether the President maybe wants his clubs to be a "carry-on" item so he doesn't have to worry about losing them after putting them into checked baggage when he goes down to Florida to play golf!!??!?! ;>)

The airlines don't care about public safety. All those new rules and regs. after 9/11 came about so the airlines won't loose business. And we knew eventually all that would slowly fade away. It's all about money as usual. The airlines are losing business so now this is one of their schemes to increase revenue. They don't give a rat's behind about you, me, or anyone else on those planes.

WHOEVER PROPOSED THIS IDEA , SHOULD BE FIRED......WAKE UP TSA !!