UFO Cover-up Due to Danger Posed to Commercial Air Travel ?

Following on from the highly interesting last post with ufo footage sent in by a pilot I wanted to remind everyone of the long history of Pilot ufo reports. Its a very important topic in Ufology because pilots are the most credible Ufo witnesses.
Its a shame that the FAA and numerous US passenger aircraft companies crush pilots who come forward with ufo reports. One would have to wonder why the