visual warning system
81Railway signalling — Not to be confused with Railway signal. A gantry of British semaphore signals seen from the cab of a steam locomotive Railway signalling is a system used to control railway traffic safely, essentially to prevent trains from colliding. Being… …
82Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
83Liste von Abkürzungen (Computer) — Dies ist eine Liste technischer Abkürzungen, die im IT Bereich verwendet werden. Inhaltsverzeichnis A B C D E F G H I J K L M N O P Q R S T U V W X Y Z siehe auch: Liste von Dateiendu …
841983 British Airways Sikorsky S-61 crash — Accident summary Date 16 July 1983 Type Pilot error in poor visibility Site …
85Teletsunami — The 2004 Indian Ocean tsunami is a teletsunami. A teletsunami (also called an ocean wide, distant, distant source, far field, or trans ocean tsunami) is a tsunami that originates from a distant source, which is more than 1,000 km away from… …
86F-22 Raptor — Infobox Aircraft name= F 22 Raptor type= Stealth Air superiority fighter national origin = United States manufacturers=Lockheed Martin Aeronautics Boeing Integrated Defense Systems caption= Two F 22 Raptors in column flight formation designer=… …
87Air safety — is a term encompassing the theory, investigation and categorization of flight failures, and the prevention of such failures through regulation, education and training. It can also be applied in the context of campaigns that inform the public as… …
88Defence of the Reich — Part of Campaigns of World War II …
89British European Airways Flight 548 — Infobox Aircraft accident|name=British European Airways Flight 548 Crash Date=18 June 1972 Type=Deep stall aircraft misconfiguration caused by pilot error Site=Staines, England Fatalities=118 Injuries=0 Aircraft Type=Hawker Siddeley Trident 1C… …
90Air New Zealand Flight 901 — Most of the wreckage of Flight 901 remains on the slopes of Mount Erebus. This photo, taken on the 25th anniversary in 2004, shows part of the DC 10 s upper fuselage skin with entry door and cabin windows. Part of the opposite side skin, with… …
