18_19 Airline Safety Statistics

18_19 Airline Safety Statistics - CEE 597 Lecture 15...

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EE 597 cture 15 CEE 597 Lecture 15 Airline Safety Statistics 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 1
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Dilbert Comic – Take Charge 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 2
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A 747 explodes over Atlantic TWA 747 explodes over Atlantic 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 3
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t Crash Kills 77 in Taiwan Jet Crash Kills 77 in Taiwan 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 4 The Ithaca Journal November 1, 2000
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SAir Flight 427 crashes in PA USAir Flight 427 crashes in PA 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 5 The Ithaca Journal September 10, 1994
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’ 6 airline deaths set grim record 96 airline deaths set grim record 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 6
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tal Scheduled air carrier accidents Total Scheduled air carrier accidents 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 7
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Comair (Delta Connection) Flight 5191 exington, Kentucky Lexington, Kentucky 27 Aug 2006 The aircraft crashed on takeoff from Aircraft: Bombardier CRJ-100ER Lexington's Blue Grass Airport on scheduled passenger flight to Atlanta. At 6:05am local time, flight was leared for takeoff on runway 22 Fatalities: 47 passanges and 2 of 3 crew members. Only 1st officer survived. cleared for takeoff on runway 22 (7003ft). The flight crew reportedly taxied aircraft onto runway 26 (3500ft) in error, and began their takeoff roll. Plane was unable to attain sufficient speed for takeoff on short runway and became airborne briefly before y stalling, crashing into a field, and impacting trees about ¼ mile off departure end of runway 26. A large ost rash fire engulfed the aircraft 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 8 post-crash fire engulfed the aircraft. www.airdisaster.com/photos/n431ca/photo.shtml
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Comair Flight 5191 Lexington, Kentucky 27 Aug 2006 ––FAA discovered that tower taffing levels at Airport violated staffing levels at Airport violated policy requiring 2 controllers during overnight shift: one in tower working clearance, ground, and radio, and another either in tower or remotely watching radar. ––At time of accident, single ontroller in tower performing both controller in tower performing both tower & radar duties. Air traffic controller in control tower was not required to maintain visual contact with aircraft; after clearing plane for takeoff, he turned to perform administrative duties and did not ee aircraft taxi to runway 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 9 en.wikipedia.org/wiki/Comair_Flight_5191 see aircraft taxi to runway
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Goals for Airline Safety Unit Use of statistics: terminology, procedures, error types, p-values, t-tests Analysis of messy accident data Airline safety –a national issue Choice of criteria for safety For randomized test using binomial distribution be able to: -formulate appropriate H o & H a -compute p-value rejection region for given α 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 10 type II error β
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Readings for Airline Safety Unit arnett Abraham and Schimmel Barnett, Abraham and Schimmel Airline Safety: Empirical Findings Barnett and Higgins Airline Safety: The Last Decade Sivak & Flannagan, “Flying & Driving…” See also: www.AirDisaster.com www.AirSafe.com 28 Feb –1 March 2007 Jery Stedinger Lec. 18-19 11
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This note was uploaded on 09/28/2008 for the course CEE 5970 taught by Professor Stedinger during the Spring '07 term at Cornell University (Engineering School).

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18_19 Airline Safety Statistics - CEE 597 Lecture 15...

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