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2010 United States Air Force Boeing C-17 crash
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2010 plane crash in Alaska, United States
September 2019
2010 United States Air Force Boeing C-17 crash C-17-Crash-Elmendorf.jpg The C-17 moments before hitting the ground Accident 2010 07 28 yes Low-altitude stall due to pilot error Near Elmendorf Air Force Base, Alaska, United States 61 15 53 N 149 45 52 W type:event inline,title Boeing C-17A Globemaster III, USA - Air Force AN0855358.jpg The incident aircraft at Frankfurt Airport in 2005 Boeing C-17 Globemaster III Spirit of the Aleutians United States Air Force 00-0173 Elmendorf Air Force Base, Alaska, United States Elmendorf Air Force Base, Alaska, United States 4 4 4 0
On 28 July 2010, a C-17 Globemaster III transport plane of the United States Air Force (USAF) crashed near Elmendorf Air Force Base in Alaska while practicing for a flight display at the upcoming Arctic Thunder Air Show. All four crew members on board were killed. It was the first, and to date only, accident of a C-17 aircraft resulting in one or more fatalities.
The subsequent investigation blamed pilot error for the low-altitude stall that led to the crash.
Accident
thumb|thumbtime=2|Truncated video of the accident flight
On 28 July 2010, a United States Air Force (USAF) crew was conducting a local training flight in preparation for the upcoming Arctic Thunder Air Show, to be held at Elmendorf Air Force Base (Elmendorf AFB) from 31 July to 1 August. The Boeing C-17 Globemaster III is commonly featured in American air shows, highlighting its short takeoff and landing capability. The plane had flown earlier that day with a different crew.
At approximately 6:22 p.m. Alaska Daylight Time (UTC-8), the C-17 took off from Runway 06 at Elmendorf AFB to practice the display routine. After the initial climb, followed by a left turn, the pilot executed a sharp right turn.
As the aircraft banked, the stall warning system activated to alert the crew of an impending stall. Instead of implementing stall recovery procedures, the pilot continued the turn and the aircraft entered a stall from which recovery was not possible. The plane crashed and exploded in a fireball about 2 mi 0 from the airfield.
Background
Aircraft
The aircraft was a four-engined C-17 Globemaster III built by Boeing. It belonged to the 3rd Wing (3 WG) and operated jointly with the 176th Wing (176 WG) at Elmendorf AFB, located near downtown Anchorage. The aircraft had USAF serial number "00-0173" and was named Spirit of the Aleutians.
The U.S. Air Force has 222 C-17s in serviceAugust 2026 with the active Air Force, Air Force Reserve, and Air National Guard (ANG), with the type being based at Elmendorf since June 2007. At the time of the crash, the base had eight of the aircraft, operated jointly by an active duty Air Force organization, the 3rd Wing's 517th Airlift Squadron; and an Alaska Air National Guard (Alaska ANG) unit, the 176th Wing's 249th Airlift Squadron.Executive Summary, Aircraft Accident Investigation, C-17A, T/N 00-0173, Joint Base Elemendorf-Richardson, AK, 28 July 2010 The mishap was the first fatal crash of a C-17.
thumb|The tail of the crashed C-17 among the wreckage
Crew
The four crew members on board all died; they were Majors Michael Freyholtz and Aaron Malone, pilots assigned to the Alaska ANG's 249th Airlift Squadron; Captain Jeffrey Hill, a pilot assigned to Elmendorf's active-duty Air Force's 517th Airlift Squadron; and Senior Master Sergeant Thomas E. Cicardo, a loadmaster of the Alaska ANG's 249th Airlift Squadron.
Aftermath
thumb|Another C-17 served as a memorial to the lost airmen during the Arctic Thunder Air Show, three days after the crash.
A member of the Anchorage Fire Department described how a fireball rose to around 750 ft m into the air, an estimated 2 mi km 0 from Anchorage.
Debris from the crash was spread along 200 ft m -1 of the Alaska Railroad tracks which carry passenger and freight trains daily through the base area, north to Wasilla, although no trains were scheduled to be passing through at the time of the crash.
Track repairs to the nearby railroad caused freight services to be suspended, and passenger services to be diverted by bus. The air show went ahead as planned as a tribute to the four dead airmen.
Investigation
The investigation report into the crash was released on 13 December 2010. It blamed pilot error, stating that the pilot's overconfidence in executing an aggressive right-turn maneuver led to a low-altitude stall and subsequent crash, despite the warnings correctly provided by the aircraft's stall-warning system, to which neither the pilot nor any other crew member responded effectively.
The accident displayed significant similarities with the 1994 crash of a B-52 bomber at Fairchild Air Force Base near Spokane, Washington.
1994 Fairchild Air Force Base B-52 crash
On both occasions, the local USAF unit's chain of command apparently failed to prevent the pilots involved from developing deliberately unsafe flying practices for aerial displays of large aircraft.Trimble Stephen 17 December 2010 C-17 crash report exposes cracks in USAF safety culture http://www.flightglobal.com/articles/2010/12/17/351032/c-17-crash-report-exposes-cracks-in-usaf-safety-culture.html live 5 March 2011 Flightglobal Reed Business Information https://web.archive.org/web/20101220043404/http://www.flightglobal.com/articles/2010/12/17/351032/c-17-crash-report-exposes-cracks-in-usaf-safety-culture.html 20 December 2010Sweetman Bill 13 December 2010 Pilot Error in C-17 Crash http://www.aviationweek.com/aw/blogs/defense/index.jsp?plckController=Blog&plckBlogPage=BlogViewPost&newspaperUserId=27ec4a53-dcc8-42d0-bd3a-01329aef79a7&plckPostId=Blog%3A27ec4a53-dcc8-42d0-bd3a-01329aef79a7Post%3A23ca8fda-114a-47af-98a0-0f23c018c5db dead https://web.archive.org/web/20100321164415/http://www.aviationweek.com/aw/blogs/defense/index.jsp?plckController=Blog 21 March 2010 5 March 2011 Aviation Week The McGraw-Hill Companies
thumb|center|upright|The USAF's accident report
See also
1995 Alaska Boeing E-3 Sentry accident
List of airshow accidents and incidents
References
USAF Aircraft Accident Investigation Board Report for Incident of 28 July 2010 http://www.pacaf.af.mil/shared/media/document/AFD-101214-048.pdf dead https://web.archive.org/web/20130304123146/http://www.pacaf.af.mil/shared/media/document/AFD-101214-048.pdf 4 March 2013 20 April 2013 USAF Aircraft Accident Investigation Board
http://www.adn.com/2010/07/29/1387215/fatal-c-17-crash-also-damaged.html
Arctic Thunder to continue after 4 died
Anchorage Daily News
1 August 2010
24 August 2010
https://web.archive.org/web/20100802044638/http://www.adn.com/2010/07/29/1387215/fatal-c-17-crash-also-damaged.html
2 August 2010
dead
http://www.q13fox.com/news/kcpq-072810-alaska-c17-crash,0,2100499.story
Officials Release The Identities of the Four Killed in C-17 Crash in Alaska
Q13 Fox (KCPQ)
30 July 2010
24 August 2010
https://web.archive.org/web/20110721072048/http://www.q13fox.com/news/kcpq-072810-alaska-c17-crash,0,2100499.story
21 July 2011
dead
dmy-all
http://www.adn.com/2010/12/10/1598594/pilot-error-blamed-in-july-c-17.html Pilot error blamed in July C-17 crash Anchorage Daily News 13 December 2010 13 December 2010 dead https://web.archive.org/web/20101213192034/http://www.adn.com/2010/12/10/1598594/pilot-error-blamed-in-july-c-17.html 13 December 2010
External links
C-17 crashes near air force base in Alaska
https://www.af.mil/News/Article-Display/Article/114695/air-force-officials-release-findings-on-alaska-c-17-fatal-mishap/ Air Force officials release findings on Alaska C-17 fatal mishap AF.mil U.S. Air Force 11 December 2010
Aviation Alaska
Category:2010 in Alaska
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Category:Aviation accidents and incidents in Alaska
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