Warning Letter involving SIGNATURE FLIGHT SUPPORT, M&O _ HONOLULU. PHMSA's enforcement data identifies the cited regulations as 195.452(f)(4), 195.452(f)(7), 195.452(h)(3), 195.452(j)(2). The case was opened on 2006-12-05 and is reported as closed as of 2006-12-05. Open the official case record for notices, responses, orders, and the latest status.

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Retrieved: Aug 20, 2026
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