Robert Patlovany's Home Page

A. Midair Collision Safety

Request for Notice of Proposed Rulemaking (NPRM) to Fix Technical Error in Federal Aviation Regulations (FARs) 91.159 and 91.179. This safety regulation has a technical error because it is never possible to obey it and have more safety that random altitude flight.

"U.S. Aviation Regulations Increase Probability of Midair Collisions," by Robert Patlovany, published in Risk Analysis: An International Journal, Vol. 17, No. 2, April 1997, Proof that FARs 91.159 and 91.179, the hemispherical cruising altitude regulations, encourage midair collisions, exactly like the one over Germany, July 1, 2002.

List of Midair Collisions Encouraged by FARs 91.159 and 91.179 After Rejection of NPRM 28996

"Climb and Maintain What?: Cruising altitude rules increase your risk of a midair collision," by Robert Patlovany, Aviation Safety, Dec. 1998, plus Feb. 1999 letters to editor [1.9 Mb Adobe Acrobat PDF download, 5 pages]

"Automatic Altitude & Heading Separation," by Leighton Collins (father of Richard Collins, current editor-at-large of Flying), Air Facts, Feb. 1968 [715 kb Adobe Acrobat PDF download, 8 pages, about 3 minutes at 52,000 bps ISP dialup modem, use GIF or JPG links below if lines are missing]
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B. Resume

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C. Future

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