2010 Alaska USAF C-17 crash

2010 Alaska USAF C-17 crash
	The C-17 moments before hitting the ground
Accident
Date	July 28, 2010
Summary	Low-altitude stall due to pilot error
Site	Near Elmendorf Air Force Base, Alaska, United States ; 61°15′53″N149°45′52″W / 61.26472°N 149.76444°W
Aircraft
Aircraft type	Boeing C-17 Globemaster III
Aircraft name	Spirit of the Aleutians
Operator	United States Air Force
Registration	00-0173
Flight origin	Elmendorf Air Force Base, Alaska, United States
Destination	Elmendorf Air Force Base, Alaska, United States
Occupants	4
Crew	4
Fatalities	4
Survivors	0

Last updated November 14, 2024

On July 28, 2010, a C-17 Globemaster III transport plane of the U.S. Air Force (USAF) crashed at 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 is the only fatal accident of a C-17 aircraft.

Accident

Truncated video of the accident flight

On July 28, 2010, the crew was conducting a local training flight in preparation for the upcoming Arctic Thunder Air Show, to be held at the Elmendorf AFB from 31 July to 1 August. The C-17 is commonly featured in U.S. air shows, highlighting its short takeoff and landing capability. The plane had flown earlier that day with a different crew.^[2]

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.^[3] The plane crashed and exploded in a fireball about 2 miles (3 km) from the airfield.

Background

Aircraft

The aircraft was a four-engined C-17 Globemaster III built by Boeing.^[2] It belonged to the 3rd Wing (3 WG) and operated jointly with the 176th Wing (176 WG) at Elmendorf AFB, located near downtown Anchorage.^[4] 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 service 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 unit, the 176th Wing's 249th Airlift Squadron.^[5] The mishap was the first fatal crash of a C-17.^[2]

Crew

Another C-17 served as a memorial to the lost airmen during the Arctic Thunder Air Show, three days after the crash. C17memorial.jpg — Another C-17 served as a memorial to the lost airmen during the Arctic Thunder Air Show, three days after the crash.

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.^[4]

Aftermath

A member of the Anchorage Fire Department described how a fireball rose to around 750 feet (230 m) into the air, an estimated 2 miles (3 km) from Anchorage.^[4] Debris from the crash was spread along 200 feet (60 m) 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.^[2]

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.^[2]

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.^[1]

The accident displayed significant similarities with the 1994 crash of a B-52 bomber at Fairchild Air Force Base, Washington. 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.^[6]^[7]

Related Research Articles

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References

1 2 "Pilot error blamed in July C-17 crash". Anchorage Daily News. 13 December 2010. Archived from the original on 13 December 2010. Retrieved 13 December 2010.
1 2 3 4 5 "Arctic Thunder to continue after 4 died". Anchorage Daily News. 1 August 2010. Archived from the original on 2 August 2010. Retrieved 24 August 2010.
↑ "USAF Aircraft Accident Investigation Board Report for Incident of 28 July 2010" (PDF). USAF Aircraft Accident Investigation Board. Archived from the original (PDF) on 4 March 2013. Retrieved 20 April 2013.
1 2 3 "Officials Release The Identities of the Four Killed in C-17 Crash in Alaska". Q13 Fox (KCPQ). 30 July 2010. Archived from the original on 21 July 2011. Retrieved 24 August 2010.
↑ Executive Summary, Aircraft Accident Investigation, C-17A, T/N 00-0173, Joint Base Elemendorf-Richardson, AK, 28 July 2010
↑ Trimble, Stephen (17 December 2010). "C-17 crash report exposes cracks in USAF safety culture". Flightglobal. Reed Business Information. Archived from the original on 20 December 2010. Retrieved 5 March 2011.
↑ Sweetman, Bill (13 December 2010). "Pilot Error in C-17 Crash". Aviation Week. The McGraw-Hill Companies. Archived from the original on 21 March 2010. Retrieved 5 March 2011.

External links

C-17 crashes near air force base in Alaska at Wikinews

"Air Force officials release findings on Alaska C-17 fatal mishap". AF.mil. U.S. Air Force. 11 December 2010.

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[ADN13Dec2010InvestigationReport-1] 1 2 "Pilot error blamed in July C-17 crash". Anchorage Daily News. 13 December 2010. Archived from the original on 13 December 2010. Retrieved 13 December 2010.

[ADN1Aug2010ToContinue-2] 1 2 3 4 5 "Arctic Thunder to continue after 4 died". Anchorage Daily News. 1 August 2010. Archived from the original on 2 August 2010. Retrieved 24 August 2010.

[ElmendorfAIB-3] "USAF Aircraft Accident Investigation Board Report for Incident of 28 July 2010" (PDF). USAF Aircraft Accident Investigation Board. Archived from the original (PDF) on 4 March 2013. Retrieved 20 April 2013.

[KCPQ30Jul2010Released-4] 1 2 3 "Officials Release The Identities of the Four Killed in C-17 Crash in Alaska". Q13 Fox (KCPQ). 30 July 2010. Archived from the original on 21 July 2011. Retrieved 24 August 2010.

[5] Executive Summary, Aircraft Accident Investigation, C-17A, T/N 00-0173, Joint Base Elemendorf-Richardson, AK, 28 July 2010

[6] Trimble, Stephen (17 December 2010). "C-17 crash report exposes cracks in USAF safety culture". Flightglobal. Reed Business Information. Archived from the original on 20 December 2010. Retrieved 5 March 2011.

[7] Sweetman, Bill (13 December 2010). "Pilot Error in C-17 Crash". Aviation Week. The McGraw-Hill Companies. Archived from the original on 21 March 2010. Retrieved 5 March 2011.

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