Transport Research International Documentation (TRID) https://trid.trb.org/ en-us Copyright © 2026. 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/ ESTABLISHMENT CRITERIA FOR DISTANCE MEASURING EQUIMENT (DME) WITH INSTRUMENT LANDING SYSTEM AND/OR LOCALIZER APPROACH AIDS https://trid.trb.org/View/89049 Mon, 29 Sep 1980 00:00:00 GMT https://trid.trb.org/View/89049 COMPUTER MODELING OF TERRAIN EFFECTS ON INSTRUMENT LANDING SYSTEM (ILS) GLIDE SLOPE SYSTEMS https://trid.trb.org/View/150409 Wed, 07 May 1980 00:00:00 GMT https://trid.trb.org/View/150409 STANDARD ADJUSTMENT CRITERIA FOR AIRBORNE LOCALIZER AND GLIDE SLOPE RECEIVERS https://trid.trb.org/View/84811 Fri, 11 May 1979 00:00:00 GMT https://trid.trb.org/View/84811 MINIMUM PERFORMANCE STANDARDS-AIRBORNE ILS LOCALIZER RECEIVING EQUIPMENT https://trid.trb.org/View/84825 Fri, 11 May 1979 00:00:00 GMT https://trid.trb.org/View/84825 ILS SCALE MODEL FACILITY https://trid.trb.org/View/41500 Tue, 13 Jul 1976 00:00:00 GMT https://trid.trb.org/View/41500 ILS LOCALIZER ALIGNMENT AND STRUCTURE MODEL https://trid.trb.org/View/30902 Wed, 21 Apr 1976 00:00:00 GMT https://trid.trb.org/View/30902 INSTRUMENT LANDING SYSTEM IMPROVEMENT PROGRAM https://trid.trb.org/View/30638 Mon, 29 Mar 1976 00:00:00 GMT https://trid.trb.org/View/30638 INSTRUMENT LANDING SYSTEM MONITOR PRECISION CALIBRATOR https://trid.trb.org/View/30565 Wed, 10 Mar 1976 00:00:00 GMT https://trid.trb.org/View/30565