Search results for: decision-height

AIR CRASH INVESTIGATIONS WHY DID IT HAPPEN The Crash of Sikorsky S 76A Helicopter G BJVX

Author : Hank Williamson, editor
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On March 23, 2004, about 1918:34 central standard time, an Era Aviation Sikorsky S-76A helicopter, N579EH, crashed into the Gulf of Mexico about 70 nautical miles south-southeast of Scholes International Airport (GLS), Galveston, Texas. The helicopter was en route to the drilling ship Discoverer Spirit. The captain, copilot, and eight passengers aboard the helicopter were killed, and the helicopter was destroyed by impact forces. The flight was operating under the provisions of 14 Code of Federal Regulations Part 135 on a visual flight rules flight plan. Night visual meteorological conditions prevailed at the time of the accident. The National Transportation Safety Board determines that the probable cause of this accident was the flight crew's failure to identify and arrest the helicopter's descent for undetermined reasons, which resulted in controlled flight into terrain.

Aircraft Accident Report

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File Size : 41.81 MB
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Aircraft Accident Report

Author : United States. National Transportation Safety Board
File Size : 35.56 MB
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On March 23, 2004, about 1918:34 central standard time, an Era Aviation Sikorsky S-76A++ helicopter, N579EH, crashed into the Gulf of Mexico about 70 nautical miles south-southeast of Scholes International Airport (GLS), Galveston, Texas. The helicopter was transporting eight oil service personnel to the Transocean, Inc., drilling ship Discoverer Spirit, which was en route to a location about 180 miles south-southeast of GLS. The captain, copilot, and eight passengers aboard the helicopter were killed, and the helicopter was destroyed by impact forces. The flight was operating under the provisions of 14 Code of Federal Regulations Part 135 on a visual flight rules flight plan. Night visual meteorological conditions prevailed at the time of the accident. The National Transportation Safety Board determines that the probable cause of this accident was the flight crew's failure to identify and arrest the helicopter's descent for undetermined reasons, which resulted in controlled flight into terrain. The safety issues discussed in this report focus on terrain awareness and warning systems for helicopters, flight control system training, flight-tracking technology for low-flying aircraft in the Gulf of Mexico, and preflight testing and maintenance checks for cockpit voice recorders. Safety recommendations concerning these issues are addressed to the Federal Aviation Administration.

Operator s Manual for Army U 21A Aircraft

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File Size : 25.73 MB
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Operator s Manual for Army U 21G Aircraft

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File Size : 29.67 MB
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Avionics Navigation Systems

Author : Myron Kayton
File Size : 65.83 MB
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An indispensable resource for all those who design, build, manage,and operate electronic navigation systems Avionics Navigation Systems, Second Edition, is a complete guide tothe art and science of modern electronic navigation, focusing onaircraft. It covers electronic navigation systems in civil andmilitary aircraft, helicopters, unmanned aerial vehicles, andmanned spacecraft. It has been thoroughly updated and expanded toinclude all of the major advances that have occurred since thepublication of the classic first edition. It covers the entirefield from basic navigation principles, equations, andstate-of-the-art hardware to emerging technologies. Each chapter isdevoted to a different system or technology and provides detailedinformation about its functions, design characteristics, equipmentconfigurations, performance limitations, and directions for thefuture. You'll find everything you need to know about: * Traditional ground-based radio navigation * Satellite systems: GPS, GLONASS, and their augmentations * New inertial systems, including optical rate sensors,micromechanical accelerometers, and high-accuracy stellar-inertialnavigators Instrument Landing System and its successors * Integrated communication-navigation systems used onbattlefields * Airborne mapping, Doppler, and multimode radars * Terrain matching * Special needs of military aircraft * And much more

NASA Technical Paper

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File Size : 48.95 MB
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United States Standard for Terminal Instrument Procedures

Author : United States. Federal Aviation Administration
File Size : 71.76 MB
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Operator s Manual for Army Models C 12A C 12C and C 12D Aircraft

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File Size : 70.10 MB
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Flight Services

Author : United States. Air Traffic Rules and Procedures Service
File Size : 28.28 MB
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