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PubMed · 9262818

The Dynamic Aviation Data System (DADS).

Abstract

This paper proposes The Dynamic Aviation Data System (DADS), which integrates a variety of existing information sources regarding flight to serve as a tool to pilots in dealing with the challenges of flight. The system is composed of three main parts: a pilot's history on disk; a system that can read proposed flight plans and make suggestions based upon Geographical Information Systems, weather, aircraft, and case report databases that exist throughout North America; and a small hand-held computer that interfaces with the aircraft's instruments and that can be brought into the cockpit to aid the pilot before and during flight. The system is based upon technology that currently exists and information that is already regularly collected. While many issues regarding implementation and cost efficiency of the system need to be addressed, the system shows promise in its ability to make useful flight safety information available to all pilots in order to save lives.

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BibTeXRIS

S Soman, T Strome, L H Francescutti. 1997. The Dynamic Aviation Data System (DADS).. https://pubmed.ncbi.nlm.nih.gov/9262818/

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Individual and collective doses from cosmic radiation in Ireland.

This paper assesses the individual and collective doses in Ireland due to cosmic radiation. Information on the exposure to cosmic radiation at ground level is reviewed and published data on the frequency of routes flown by Irish residents is used to calculate the dose due to air travel. Occupational exposure of aircrew is also evaluated. Experimental data on cosmic radiation exposure at ground level is in good agreement with international estimates and the average individual dose is calculated as 300 microSv annually. Published data on international air travel by Irish residents shows a 50% increase in the number of flights taken between 2001 and 2005. This increase is primarily on short-haul flights to Europe, but there have been significant percentage increases in all long-haul flights, with the exception of flights to Africa. The additional per capita dose due to air travel is estimated to be 45 muSv, of which 51% is accumulated on European routes and 34% on routes to the United States. Exposure of aircrew to cosmic radiation is now controlled by legislation and all airlines holding an Air Operator's Certificate issued by the Irish Aviation Authority are required to report annually the doses received by their employees in the previous year. There has been a 75% increase in the number of aircrew receiving doses >1 mSv since 2002. In 2004 and 2005 the average individual doses received by Irish aircrew were 1.8 and 2.0, mSv, respectively. The corresponding per caput dose for the entire population is <3 muSv. While this is low compared with the per caput doses from other sources of cosmic radiation, aircrew exposure represents a higher collective dose than any other identified group of exposed workers in Ireland.

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[Intraosseous puncture in preclinical emergency medicine. Ten years experience in air rescue service].

INTRODUCTION: The intraosseous puncture (IO) is a fast and safe alternative to the puncture of peripheral veins in emergency situations in children < or =6 years of age. The purpose of this paper is to summarize 10 years of experience on the prehospital use of the IO method by the Helicopter Emergency Medical Service (HEMS) "Christoph 22", Ulm. MATERIALS AND METHODS: This was a retrospective study from 1 January 1996 to 31 December 2005. RESULTS: Out of a total of 9,549 missions, the proportion of children was 11.1%. In 27 children (4.2% of the children < or =6 years of age) an IO puncture was performed. Patients of the IO group were younger (1.0 vs. 3.7 years of age; p<0.001) and showed a higher degree of injury severity (NACA 6 vs. 4; p<0.001) compared to the total children group. In all children of the IO group (100%), the intraosseous puncture was the method of first choice to obtain access to the vascular system by the HEMS team. In 96.4% of these cases (26/27), the first IO puncture attempt was successful - in one child, a second puncture attempt was necessary. A standardized puncture technique was performed using the proximal tibia. The time required for successful placement of the IO infusion line was 60 s or less in all cases. In 37% of the cases (10/27) the IO infusion line was used for induction of general anaesthesia; dosage and onset of administered drugs were described as being equivalent to a peripheral infusion line. In all cases, the IO needle was replaced in-hospital within 2 h by a central or peripheral iv line. No complications were observed. CONCLUSIONS: The IO infusion technique is a simple, fast and safe alternative method for emergency access to the vascular system in children < or =6 years of age in the prehospital setting.

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