The FAA has issued a notice of proposed rulemaking (NPRM) that will attempt to close some loopholes in the Part 23 regulations under which light jets and other airplanes are certified. The NPRM is open for comments until November 16, and the easiest way to view the proposal is to search the term “Docket No. FAA–2009–0738” at www.regulations.gov.
Until the Cessna Citation 501 series came to market in the 1970s, most jets were certified to Part 25 transport-category regulations, in-cluding the first Cessna Citation. One notable exception was the Lear 23, although subsequent Learjets were certified under Part 25. Because Part 23 didn’t address jet aircraft requirements, the FAA has had to add a large number of special conditions each time a jet is certified under Part 23. The NPRM would fold many of the items that led to repeated special conditions into the new rules.
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