71. The author of this editorial concludes that the guidelines for training pilots and

　　maintaining equipment in the medical-helicopter industry are ineffective, even though

　　they are far more stringent than those in other airline industries. To support this

　　conclusion, the author cites statistics showing that the rate of medical-helicopter

　　accidents is much higher than the rate of accidents for non-medical helicopters or

　　commercial airliners. This argument is problematic in three critical respects.

　　The first problem with the argument is that it rests on the unstated assumption that

　　accidents involving medical helicopters have been due to inadequate pilot training or

　　equipment maintenance. However, the author fails to acknowledge and rule out other

　　possible causes of such accidents. In fact, common sense tells us that medical-helicopter

　　accidents are most likely to result from the exigent circumstances and dangerous flying

　　and landing conditions which typify medical emergencies where helicopters are

　　required to gain access to victims.

　　A second, and related, problem is that the author unfairly compares the accident

　　rate of medical helicopters with the accident rate for non-emergency aircraft. Medical

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