Regulations last checked for updates: Feb 10, 2026

Title 49 - Transportation last revised: Feb 03, 2026
All TitlesTitle 49Chapter IIPart 236Subpart G - Subpart G—Definitions
View all text of Subpart G [§ 236.700 - § 236.838]
§ 236.810 - Spectacle, semaphore arm.

That part of a semaphore arm which holds the roundels and to which the blade is fastened.

authority: 49 U.S.C. 20102-20103,20107,20133,20141,20157,20301,20306,20501,20701,21301,21304; 28 U.S.C. 2461 note; and 49 CFR 1.89
source: 33 FR 19684, Dec. 25, 1968, unless otherwise noted.
cite as: 49 CFR 236.810
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