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商业 · 2026/2/261 分钟阅读
Establishment of Helena Very High Frequency Omnidirectional Range/Tactical Air Navigation (VORTAC) as a Domestic Low Altitude Reporting Point in the State of Montana
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摘要
This action establishes the Helena (HLN), MT, Very High Frequency Omnidirectional Range/Tactical Air Navigation (VORTAC) as a Domestic Low Altitude Reporting Point in the state of Montana.
来源原始语言: Federal Register — Federal Aviation Administration打开原始公告 →