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I've entertained a theory that if a pilot can assemble his glider solo, push
it to the end of the runway and strap in, then he has, in effect, self-administered a stress test sufficiently rigorous to indicate he is fit to fly that day. Bill Daniels "danlj" wrote in message oups.com... On May 7, 11:59 pm, fred wrote: At my operation, I have a FAA rule that I preach...and apply to myself. Fred's air regulation #1.01 "If for ANY reason you don't feel like flying, then don't take off. ... how do regulations stop a pilot from running out of fuel? I love the discussion. I write as a power and glider pilot who's been an FAA-designated aviation medical examiner for 20+ years... This thread is interesting for several reasons, one of which is that it exposes on one hand the folks that are thoughtful and base their opinion on the best evidence they can find; and on the other had the folks whose own opinion is the strongest evidence, but only to themselves, that they are right. Medical screening of pilots was put in place due to the experience in WWI that something like 80% of the accidents were judged to be due to the physical inability of the pilot. The consequence is that we saw a change from no screening at all to unnecessarily strict screening, from which we have been unsuccessful in fully extricating ourselves. The chief usefulness of medical screening, it seems to me, is that it focuses the attention of the prospective pilot on his or her own physical condition and abilities, resulting in self-selection that is far more judicious and effective than the formal screening required by law. Yet there is an important role for formal screening -- to hinder pilots whose ambition to control an aircraft overwhelms good judgment -- and there are not a few of these, and as an enthusiastic pilot I fully understand. For example, a 28 year old airline pilot, whose life dream is being fulfilled, collapses in the ready room of his air carrier with an epileptic fit. The psychological blow and threat to him personally is incalculable. We physicians, sympathetic to him, expend every effort to prove whether or not this was truly epilepsy or simply twitching from a faint due to illness. But in the end, the existence of the formal process forces both him and us to the larger sympathy we owe to the safety of others. In this case, he did have epilepsy due to an old closed head injury in sport; he will never fly again; he would not have been able to make this decision by himself. The bureaucracy necessarily needed to put him into the paperwork corral. We medical professionals are often put in the uncomfortable position of trying to predict the future. Being required to do the impossible is a severe stress for any of us, and we decompensate as individuals and institutions in interesting ways when such is required. In this regard, the FAA aeromedical certification is viewed, by the FAA, as a statement that the pilot is *unlikely* to suffer sudden in- flight incapacitation for the duration of the certificate. We have reduced the impossible to a risk assessment. This assessment is always "wrong" in a sense, but the best we can do is to perform a thoughtful judgment based on the information at hand, about natural course of disease and about the pilot's current health status. We eventually die. Prior to death, we begin losing physical capability. For some of us, this is more or less gradual, and we have the opportunity to exercise good judgment and adapt to it. Or we have good judgment forced upon us by brave friends or an inexorable bureaucracy. For a few, death is sudden and calamitous, and occasionally this occurs while driving a vehicle or piloting an aircraft. In this regard I like to tell patients for whom I'm doing a cardiac stress test, "This test is pretty good at telling who's of the verge of needing bypass surgery, but it doesn't predict sudden death. You could pass this test with flying colors and drop dead on the way home -- but you might be stuck by a speeding semi, too." This is humorous, but makes the point about our inability to see the future. Hence, "self-certification." And hence our need to hold ourselves up to the light before each flight (and during it) and ask if it's *really* a good idea to go (or continue); and we must be brave and, gently or assertively, speak to our colleagues who seem to be risking themselves or others. It's hard, it's risky, and it's socially frightening. But we must do it. Dan Johnson |
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