49 CFR 236.739 - Device, acknowledging.

Regulations last checked for updates: Feb 07, 2026

Title 49 - Transportation last revised: Feb 03, 2026

View all text of Subpart G [§ 236.700 - § 236.838]

§ 236.739 - Device, acknowledging.

A manually operated electric switch or pneumatic valve by means of which, on a locomotive equipped with an automatic train stop or train control device, an automatic brake application can be forestalled, or by means of which, on a locomotive equipped with an automatic cab signal device, the sounding of the cab indicator can be silenced.

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 236.739