Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Transport Research International Documentation (TRID) https://trid.trb.org/Images/PageHeader-wTitle.jpg https://trid.trb.org/ ACOUSTIC FOGHORN FOR DIRECTIONAL SIGNALING https://trid.trb.org/View/50671 Wed, 31 Aug 1977 00:00:00 GMT https://trid.trb.org/View/50671 SIGNALING AND DISTRESS https://trid.trb.org/View/43397 Wed, 17 Nov 1976 00:00:00 GMT https://trid.trb.org/View/43397 HIGH VISIBILITY AIR SEA RESCUE PANEL https://trid.trb.org/View/42276 Tue, 13 Jul 1976 00:00:00 GMT https://trid.trb.org/View/42276 SOUND SIGNALLING TO MEET IMCO'S TOUGHER REGULATIONS https://trid.trb.org/View/34661 Sat, 18 Oct 1975 00:00:00 GMT https://trid.trb.org/View/34661 COLORS OF MARINE SIGNAL LIGHTS https://trid.trb.org/View/23322 Mon, 19 May 1975 00:00:00 GMT https://trid.trb.org/View/23322 AUTOMATIC MARINE WARNING SYSTEM https://trid.trb.org/View/2588 Mon, 29 Oct 1973 00:00:00 GMT https://trid.trb.org/View/2588