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/ A Cycloidal Rotor and Airship System for On-Demand Hypercommuting https://trid.trb.org/View/1835204 Mon, 07 Feb 2022 09:41:36 GMT https://trid.trb.org/View/1835204 Hot-Air Balloon Tour Accidents in the Cappadocia Region https://trid.trb.org/View/1580368 Mon, 01 Apr 2019 10:15:30 GMT https://trid.trb.org/View/1580368 Border Security: Additional Actions Needed to Strengthen Collection of Unmanned Aerial Systems and Aerostats Data https://trid.trb.org/View/1455550 Mon, 27 Mar 2017 09:30:05 GMT https://trid.trb.org/View/1455550 Causal Factors of Hot Air Ballooning Incidents: Identification, Frequency, and Potential Impact https://trid.trb.org/View/1335238 Fri, 10 Apr 2015 09:53:16 GMT https://trid.trb.org/View/1335238 Hot-Air Balloon Tours: Crash Epidemiology in the United States, 2000-2011 https://trid.trb.org/View/1266373 Thu, 21 Nov 2013 09:21:23 GMT https://trid.trb.org/View/1266373 AIRSHIPS TO THE RESCUE: RE-SUPPLY AND EMERGENCY RESPONSE IN ARCTIC RESOURCE DEVELOPMENT https://trid.trb.org/View/689359 Sun, 29 Feb 2004 00:00:00 GMT https://trid.trb.org/View/689359 AIRSHIP OPERATION IN ALASKA https://trid.trb.org/View/298600 Sat, 30 Sep 1989 00:00:00 GMT https://trid.trb.org/View/298600 FLIGHT INSTRUCTOR GLIDER PRACTICAL TEST STANDARD https://trid.trb.org/View/242182 Sun, 31 Jan 1988 00:00:00 GMT https://trid.trb.org/View/242182 LIGHTER THAN AIR VEHICLES (CITATIONS FROM THE NTIS DATA BASE) https://trid.trb.org/View/88886 Sat, 15 Sep 1979 00:00:00 GMT https://trid.trb.org/View/88886 LIGHTER THAN AIR VEHICLES (CITATIONS FROM THE ENGINEERING INDEX DATA BASE) https://trid.trb.org/View/88887 Sat, 15 Sep 1979 00:00:00 GMT https://trid.trb.org/View/88887 THE TECHNOLOGY ASSESSMENT OF LTA AIRCRAFT SYSTEMS https://trid.trb.org/View/77982 Tue, 27 Feb 1979 00:00:00 GMT https://trid.trb.org/View/77982 PROSPECTS OF AIRSHIP APPLICATIONS https://trid.trb.org/View/69945 Wed, 19 Jul 1978 00:00:00 GMT https://trid.trb.org/View/69945 SUPPORTING INVESTIGATIONS DURING TESTING OF THE WDL-1 AIRSHIP IN GHANA AND UPPER VOLTA https://trid.trb.org/View/69955 Wed, 19 Jul 1978 00:00:00 GMT https://trid.trb.org/View/69955 FEASIBILITY OF MODERN AIRSHIPS: PRELIMINARY ASSESSMENT https://trid.trb.org/View/72348 Wed, 14 Jun 1978 00:00:00 GMT https://trid.trb.org/View/72348 SUPPORTING INVESTIGATIONS DURING TESTING OF THE WDL-1 AIRSHIP IN GHANA AND UPPER VOLTA https://trid.trb.org/View/69682 Wed, 31 May 1978 00:00:00 GMT https://trid.trb.org/View/69682