Never got off the ground so to speak In testing, an aircraft fueled with the stuff was crashed on purpose, it went up like napalm. I saw this on some documentary years ago. Apparently there was some reason it went up like that which was abnormal, but that one messed up test was all it took to convince people not to use the stuff. I don't know if it was ever gotten back to -maybe...Rich Z said:But I thought I read years ago that aviation fuel was being designed to gel during crashes to prevent fireball explosions of the gas tanks. Was that just something being proposed at the time? On thinking about the WTC 9/11 attack, it certainly did not look like any sort of explosion suppression of the fuel took place then.