US lawFederal (United States)RegulationsTitle 47 CFR — TelecommunicationChapter I — FEDERAL COMMUNICATIONS COMMISSIONPart 87 — AVIATION SERVICESSubpart C — Operating Requirements and Procedures87.10547 C.F.R. § 87.105Availability of operator permit or license.Last amended: 2016Year: 2026Length: 11 wordsOfficial source Cite as 47 C.F.R. § 87.105 (2026)All operator permits or licenses must be readily available for inspection.Previous47 C.F.R. § 87.87