John:
*deep breath*
Not a pilot, are you?
From your perspective as a pilot, would you be willing to testify in court under oath, that this mode of attack is more likely than not to succeed in hitting the Pentagon? Relatively small likelihood of aiming too low and hitting the ground, or aiming too high and overshooting the Pentagon? (Okay, if he overshoots, he can circle around and try again -- assuming he doesn't crash just beyond. It's not as if anyone were trying to stop him.)
One thing I've noticed from both sides -- a highly competent person in a particular field has often long forgotten how a noncompetent person would think. From the perspective of a non-pilot, but with knowledge of geometry and targeting, I view the actual mode of attack as extremely likely to fail.
Here's an actual picture of the Pentagon from the air: www DOT defenselink DOT mil SLASH news SLASH Sep2001 SLASH 200109115k DOT jpg. Again, as a pilot, would you attack from the horizon, aiming at a side? Or would you attack the roof?
Read Here. [Aerospace Web site removed]
This might address how the plane flew level into the Pentagon. It doesn't address the rest of the issues -- attacking this way in the first place, leveling out, and hitting the Pentagon where it would do by far the least damage.
I also had concerns about three issues in that paper, two of which don't apply to this subject, but which I may discuss in another thread. (The third in part is below.)
A note, regarding Hanjour: "Even so, those few who did make statements regarding pilot ability indicate that Hanjour flew in a somewhat erratic manner as one would expect"
This quote and other eyewitnesses' quotes in the article are suspicious. They could only have watched for two or three seconds before the plane hit the building.
Four Real Terrorist teams did just that, plan and attack (oops, one team was foiled in PA) buildings with airliners.
You missunderstand. You don't rebut an attempted refutation of a theory be re-reciting the theory. Now who's reasoning bad here?
What is the "would a real terrorist" line, Mister True Scotsman? A suicide attack with an airplane is sort of like a huge, flying car bomb, conceptually. Real terrorists use car bombs all the time. These guys thought big.
Okay, your conception of a "real terrorist" is perfectly fine -- consistant with mine. They don't go out of their way to minimize damage in any of their attacks. Which means that the attack on the Pentagon was not a real terrorist attack.
Point 1: Pentagon is a short squat building, unlike WTC which is a tall building. As you note, that makes it a tricky target. This "inexperienced-in-757's-pilot" needed to attack the building. He could only be sure to hit it by maintaining control of the aircraft. That means he'd want to fly at an airspeed he could control. Above a certain airspeed, you can start to lose control authority due to aerodynamic loading, not to mention that as airspeed approaches Mach 1 near sea level (DC is less than 1000' above sea level) in an airliner, the plane will likely start to crack up.
So, from the get to, the 60-90 degree vertical dive is a non starter. His odds of aiming it perfectly were very small in that profile, since he was going to fly by hand, and any correction in close woud be amplified by too much airspeed and lift on the wings . . . if the plane didn't crack up before impact.
I agree. 60-90 degrees is unlikely. You may recall, I suggested 30 degrees. 10-20 degrees is acceptable as well. I envision an elliptical trajectory into the roof of the Pentagon.
I'd suggest he'd need a 10-20 degree nose down attitude (10-20 degree dive angle in other words) to ensure his ability to control (up to the last few seconds) the trajectory of the plane, to ensure he didn't over shoot, and ensure he didn't lose flight control effectiveness by exceeding design velocity.
Had he landed in the middle of the building, an empty space, he'd probably have done less damaage. He had to pick a target, so he targeted the West face of the building.
And that's the ridiculous target. The empty spot in the center of the building is less than one-fifth of the total area, and he could have aimed halfway between the middle and one side of the roof, making the likelihood of a miss low. But instead, he chose a target and mode of attack that had very low likelihood of success. And the target he chose was the one spot under construction, being built to shield the Pentagon against that kind of attack
.
He performed a very straightforward attack, I don't understand your assertion that he did not. If he had gone too fast, even at a low angle of approach, any last minute correction that was an over correction would have caused a ballooning effect, common in a flare maneuver, or in any abrupt raising of the nose with a lot of airspeed on, and thus an overshoot/miss of the Pentagon.
Exactly the same problem exists with your "straightforward" attack -- any correction is an overcorrection, especially facing a narrow target area. Also, leveling out from the descent was a huge problem.
2. The reason he hit his target, in my professional opinion as a pilot, is that he didn't overload his lightweight pilot ass -- unlike what you are doing with your reasoning power in this conversation. He chose a profile that allowed him to control the aircraft within his talent level right up to impact. He succeeded.
Who's reasoning bad? I saw an example of illogic above, where you re-recited the official theory in reply to an attempt refutation of the official theory.
Would you testify under oath that his mode of attack was likely to succeed? That it would not have likely hit the ground at any point in the attack? That it wouldn't have even touched the ground?
3. What makes you think they knew which wing was under construction?
Okay, if they were real terrorists, they might not have known. Assuming they tried the horizontal approach attack and actually hit (very unlikely), there is at most a one-fifth chance they would have hit the point under construction. (That one-fifth assumes it's the whole side. If only a fraction of the side were under construction, then the probability is smaller.)
On the other hand, it's possible that they did research and discovered that that part of the Pentagon was indeed under construction. (Or maybe the alleged hijackers who lived across from one of our intelligence agencies would have known.) If they did know which side was under construction, they would have avoided it.
The probability of such a mode of attack is far greater if the purpose were to minimize the damage done to the Pentagon and to minimize the casualties. And that only makes sense if it were not a real terrorist attack -- a pretended one instead.
I'd have to look at a chart, but Rosslyn, near the Pentagon to the north (see the map) has a lot of high rises. Dumb idea to approach from that side and risk a miss. I'd suggest to you that they chose an approach path (well ahead of time) that allowed the pilot to have the least possible trouble with obstacles, and to approach from the West (where 77 was going to come from in the first place) which is the side of the Potomac River away from Washington DC. (Pentagon is in Virginia)
"... and risk a miss." What a laugh! Chance a near certain miss in order to avoid risking a miss.
From the photograph that I mentioned above, the north seems like a perfectly fine attack approach. All directions that I can see seem perfectly fine. And if they can attack the Pentagon the way they did, they have no trouble avoiding any of the obsticles.
Summary: He was a greenhorn in the 757, so he built a plan that maximized his odds for mission accomplishment.
Nonsense conclusion. The theory that a greenhorn in the 757 attempted an attack that (to an ordinary competent human being) looks ridiculous, succeeded against long odds, and yet minimized the damage on the Pentagon is highly unlikely.
A plan to maximize the chance of mission accomplishment is simply to dive into the Pentagon -- okay, at an angle of 10-20 degrees, by your numbers.
The proper conclusion is that the following theory is more likely than the official story:
- WTC: The Spectacular Attack
- Pentagon: The self-injury making the criminal look like a victim
- UA93: (I am very unsure) The heart-warming story of tragic American heroism and self-sacrifice