FINAL ALTITUDE: EIGHT READINGS
Adam Larson / Caustic Logic
The Frustrating Fraud
July 19 2007
Note1: I’m not precisely certain on ground level altitude at the Pentagon, but it seems to be in the range of about 35-40 feet above mean Sea level (ft msl), so to keep the math simple I’ve rounded it to 40. The discrepancy should be no more than five feet from reality.
Note 2: Possible explanation for pressure altitude errors: airspeed at least has been known to effect this reading, and from what I hear, errors in the range of 100 feet or more are not uncommon. This consideration is relevant for the different pressure altimeter readings in possibilities 2, 3, 5, 6, and 7.
1) Official story/physical evidence/eyewitness reports of impact: these multi-corroborated sources indicate the Pentagon attack plane’s belly was about 5 feet above ground, or about 45 ft msl. A majority of the fuselage impacted just beneath the second floor slab, with left engine and perhaps wingtip in fact hitting objects at ground level. (Source: reality or mind-boggling fakery)
2) Specialist’s Factual Report of Investigation (SFRI): Final alt is unsure – seems near zero but the graph resolution is not high enough to read precisely. In general contours it matches perfectly the more detailed Flight Path Study. (Source: straight from NTSB)
3) Flight Path Study graphing: Still not precisely clear - FDR pressure altitude measured in ft-msl. Lowest graph division is 1,000 feet – Pentagon impact seems to be about zero feet MSL, close to its actual elevation of 40 ft msl. However the Dulles takeoff at about 300 msl, 260 feet higher than the Pentagon, also charts out at what seems zero ft msl, or 300 feet underground? (Source: straight from NTSB - click to enlarge graphic)
4) The PentaCon reading of their eyewitnesses: 100% of their witnesses colse enough to see were convinced of an impact, but various clues indicate a flyover, At least 74 feet above ground level (agl), or 114 ft msl, or the lowest possible level above the roof. The range above that is theoretically limitless, but the lower the altitude, the more likely it could be mistaken by witnesses as an impact with the 73-foot-high building. The higher the altitude, the less sense the flyover theory makes. (Source: Citizen’s Investigative Team)
5) AAl_77.tab, tabular CSV file: final frame altitude of 173 msl, again pressure altitude - sixty feet over the buildin'g roofline. Takeoff alt was at correct elevation for Dulles airport of 300. The CSV file also shows a manual reset of the pressure altimeter at 18,000 feet on descent into the attack, as per FAA regulations, with no apparent effect on recorded pressure alt settings. (Source: NTSB via P49T member Undertow - I need to post my analysis on this soon)
6) The animation, uncorrected, has it 140 feet above ground at the end, somewhat lower at “impact point” if the trends were to continue, but certainly too high to have clipped the poles, hit the generator, or impacted the building. The closeness of this to the CSV indicates the animation was based on pressure altitude – especially with no operative radio altimeter. (source: NTSB via Snowygrouch, then SLOB, Mitch Harrison, etc. – link coming)
7) Read Out 2: An anonymous and irreproducable decoding of the unreadable L3 raw file reveals the nonexistent radio altimeter shows a 270 foot altitude above ground level (agl) at the end. This reading is based on signals bounced from the ground and not subject to pressure alt errors. Radio altimeter is listed in SFRI as inoperative and left blank. Snowygrouch says the reading “had been omitted by the NTSB […] for reasons known only to themselves,” even though it was “precisely the same as the pressure altitude.” It isn’t. (See readings 2, 3, 5, 6) (Source: it’s complicated – the story is here.)
8) John Doe X corrected: When the animation’s final altitude is adjusted to reflect the pressure reset not shown in the animation, the plane is 480 ft msl, 440 ft agl, and 367 ft above the Pentagon’s roof. This is probably too high to have been seen by witnesses at all, and far too high to have been mistaken for an impact. (Source: Animation plus JDX calculations)
Clearly not all of these six altitudes can be correct, though it’s not right to say only one is. Some may corroborate each other, like the animation and CSV, or official and CSV if the alt error was high enough. But to corroborate the PentaCon witness reading, it’d have to be just above the Pentagon roof, and well below that to support the official impact story; there was no high-impact “near-flyover.” It hit low or it didn’t hit.
But this is the only altitude of the eight that also allows the plane to strike the building - matching the (faked?) CCTV video footage, the (fooled?) closest eyewitnesses, the PentaCon’s own (duped?) witnesses, the (planted?) clipped poles and (engineered?) lawn-area damage, the (faked?) 300-foot deep damage to the Pentagon, the (planted?) 757 parts, etc. All these, taken collectively as reality (a leap some are unwilling to take), rule out any altitude higher than the official one. Readings 2, 3, 5, and 6 all could possibly correspond with this, due to the common errors of pressure altimeters, but certainly NTSB data seeming to place the plane well above the roof is problematic.
The higher readings each rule out all of this evidence and each other, and are supported precisely by themselves; another reading with no other backing. There may be more readings yet to come – say, 375 ft msl, or 30,000. That’d be new.