2010 Alaska USAF C-17 crash

Coordinates: 61°15′53″N 149°45′52″W / 61.26472°N 149.76444°W / 61.26472; -149.76444
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2010 Alaska C-17 crash
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2010 Alaska USAF C-17 crash
The C-17 moments before hitting the ground
Accident
Date28 July 2010 (2010-07-28)
SummaryLow-altitude stall due to pilot error
SiteNear Elmendorf Air Force Base, Alaska, U.S.
61°15′53″N 149°45′52″W / 61.26472°N 149.76444°W / 61.26472; -149.76444
Aircraft
Aircraft typeBoeing C-17 Globemaster III
Aircraft nameSpirit of the Aleutians
OperatorUnited States Air Force
Registration00-0173
Flight originElmendorf Air Force Base, Alaska, U.S.
Occupants4
Crew4
Fatalities4
Survivors0

On July 28, 2010, a

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.

The subsequent investigation blamed pilot error for the low-altitude stall that led to the crash.[1]

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]

The tail of the crashed C-17 among the wreckage

At approximately 6:22 p.m.

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.

Aircraft

00-0173, the aircraft involved in the accident, at Frankfurt Airport in 2005

The aircraft was a four-engined

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.

The four crew members on board all died; they were

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.

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 USAF's accident report

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]

See also

References

  1. ^ a b "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.
  2. ^ a b c d e "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.
  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.
  4. ^ a b c "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.

External links

Wikimedia Commons has media related to 2010 Alaska C-17 crash.

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

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