Air Tahoma Flight 587

Air Tahoma Flight 587

The aircraft involved while in service with DHL (European Air Transport)
Accident
Date	1 September 2008
Summary	Loss of control caused by maintenance error and pilot error
Site	Pickaway County, near Rickenbacker International Airport, Ohio, United States 39°47′54″N 82°58′45″W ⧼validator-fatal-error⧽
Aircraft
Aircraft type	Convair CV-580
Operator	Air Tahoma
Registration	N587X
Flight origin	Rickenbacker International Airport, Ohio
Destination	Mansfield Lahm Regional Airport, Ohio
Passengers	0
Crew	3
Fatalities	3
Injuries	0
Survivors	0

Air Tahoma Flight 587 was a training flight from Columbus to Mansfield (both in Ohio) conducted using a Convair CV-580. On September 1, 2008, the aircraft crashed after takeoff from Colombus Rickenbacker Airport, killing all three crew members on board.

Aircraft

The aircraft involved was a Convair CV-580 (serial number 361) that had initially been built as a Convair CV-440-12. The aircraft had been previously owned and operated by Sabena, Frontier Airlines, IBS Airlines, SAAB Aircraft Holdings Inc., European Air Transport, DHL Worldwide Express, Astar Air Cargo, and SNAS Worldwide Express. Air Tahoma took delivery of the aircraft in 2005. It was powered by two Allison 501-D13D turboprop engines and had 71,965 flight hours.

The captain was 57-year-old Urs Anderegg, who had 16,087 flight hours, including 3,000 hours on the Convair CV-580. The first officer was 58-year-old James Monahan, a former ATA Airlines captain with 19,285 hours of flight experience. He had previously served as a captain on the Boeing 727 and Lockheed L 1011 TriStar. 41-year-old Sean Gardiner was also on board as an observer. He was not type rated on the Convair CV-580.

Accident

Flight 587 was N587X's first flight following a maintenance check which included flight control rigging. The flight was also to familiarize first officer Monahan and observer Gardiner with the Convair CV-580. The flight took off at 12:03 PM Eastern Daylight Time, only for first officer Monahan to report problems and request a return to the airport one minute later. At 12:06 the aircraft crashed into a cornfield one mile short of runway 05L, killing the crew. The flight lasted two minutes and forty seconds.

Investigation

The National Transportation Safety Board discovered that during a C-Check before the accident flight, the control cables on the aircraft's empennage were disconnected, reconnected and rigged as part of the check. Investigation of the wreckage revealed that the aircraft had impacted the ground with its landing gear down and with a slight right roll.

The control cables in the elevator trim had been replaced at the last minute. As a result, when the pilots applied nose up inputs, the elevators applied nose down trim instead. The Cockpit Voice Recorder (CVR) recorded captain Anderegg shouting "Pull!" 27 times starting from takeoff to impact. No callouts for the landing gear were made. The Flight Data Recorder (FDR) was inoperative during the accident flight and was therefore unusable. In addition to faulty maintenance, the flight crew's pre-flight check of the aircraft was inadequate, and their response to the trim problem was incorrect.

See also

• Colgan Air Flight 9446, another accident involving incorrect flight control rigging

External links

• NTSB investigation docket
• Crash of a Convair CV-580 in Columbus: 3 killed, B3A – Bureau of Aircraft Accident Archives
• Pre-crash photos as rzjets.net
• Pre-crash photos at planelogger.com

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