Belavia Flight 1834
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Belavia Flight 1834 was a scheduled international passenger flight from
Yerevan Yerevan ( , , hy, Երևան , sometimes spelled Erevan) is the capital and largest city of Armenia and one of the world's List of oldest continuously inhabited cities, oldest continuously inhabited cities. Situated along the Hrazdan River, Y ...
,
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
, to
Minsk Minsk ( be, Мінск ; russian: Минск) is the capital and the largest city of Belarus, located on the Svislach and the now subterranean Niamiha rivers. As the capital, Minsk has a special administrative status in Belarus and is the admi ...
,
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...
, operated by
Belavia Belavia, formally Belavia Belarusian Airlines ( be, ААТ «Авіякампанія «Белавія»; russian: ОАО «Авиакомпания «Белавиа»), is the flag carrier and national airline of Belarus, headquartered in Minsk ...
. On the morning of February 14, 2008, the Bombardier
Canadair Regional Jet The Bombardier CRJ or CRJ Series (for Canadair Regional Jet) is a family of regional jets introduced in 1991 by Bombardier Aerospace. The CRJ was formerly manufactured by Bombardier Aerospace with the manufacturing of the first CRJ generation, ...
carrying 18 passengers and three crew crashed and burst into flames shortly after take off from
Zvartnots International Airport Zvartnots International Airport ( hy, Զվարթնոց միջազգային օդանավակայան, translit=Zvart'nots' mijazgayin ōdanavakayan) is located near Zvartnots, west of Yerevan, the capital city of Armenia. It acts as the main ...
near
Yerevan Yerevan ( , , hy, Երևան , sometimes spelled Erevan) is the capital and largest city of Armenia and one of the world's List of oldest continuously inhabited cities, oldest continuously inhabited cities. Situated along the Hrazdan River, Y ...
, the capital of
Armenia Armenia (), , group=pron officially the Republic of Armenia,, is a landlocked country in the Armenian Highlands of Western Asia.The UNbr>classification of world regions places Armenia in Western Asia; the CIA World Factbook , , and ''Ox ...
. The jet hit its left wing on the runway during takeoff, crashed to the ground, flipped over, and came to rest inverted near the runway. All passengers and crew managed to escape the aircraft before it erupted into flames, partly due to the timely response of the fire and rescue crews. There were no fatalities, but seven people were taken to hospital for treatment.


Aircraft and crew

The
aircraft An aircraft is a vehicle that is able to fly by gaining support from the air. It counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines ...
involved, (MSN 7316), was a 50-seat Bombardier CRJ100ER. It was a fairly new member of the fleet since it was leased by the airline and delivered in February 2007. The aircraft was built in 1999. The captain was 50-year-old Viktor Shishlo, who had logged 9,215 flight hours, including 461 hours on the CRJ100. The first officer was 44-year-old Alexander Mukhin, who had 9,454 flight hours with 405 of them on the CRJ100.


Crash

The airplane had arrived at Yerevan two hours before scheduled departure and was preparing for departure as flight B2-1834 from Yerevan (Armenia) to Minsk (Belarus) with 18 passengers and three crew. Refueling was done in automatic mode 25 minutes after landing, and of Jet-A-1 fuel were added to the tanks. Due to reported reducing visibility at the main alternate airport, the crew decided to add another of fuel about 30 minutes later during flight preparations. The first officer performed the preflight check of the aircraft about 15 minutes after landing (and before refueling) and found all aerodynamics surfaces clean and dry by visual inspection as well as by touching the surfaces with the palm of his hand. The report mentioned that weather conditions that are susceptible to frost contamination require the pilot in command to perform the preflight walk-around. The weather at the time was: winds from 110 degrees at , visibility in light haze, clouds overcast at scattered at , temperature , dew point and QNH 1019 hPa. The crew computed
V speeds In aviation, V-speeds are standard terms used to define airspeeds important or useful to the operation of all aircraft. These speeds are derived from data obtained by aircraft designers and manufacturers during flight testing for aircraft type- ...
of V1 at , VR at and V2 at . After engine start the crew activated the anti-ice systems of the engines, but the wing anti-ice systems were not activated. The airplane banked progressively left after liftoff until the left wing touched the ground with the airplane veering left of the runway, rolled right separating the right hand wing, crossed the runway rolling on its back and came to rest right of the runway. Leaking fuel triggered a ground fire, which was quickly brought under control by the airport fire fighters. Gayane Davtyan, a spokeswoman for the
General Department of Civil Aviation of Armenia The Civil Aviation Committee ( hy, Քաղաքացիական ավիացիայի կոմիտե) is an agency of the Ministry of Territorial Administration and Infrastructure օf Armenia. Its head office is on the property of Zvartnots International Ai ...
said that the jet, operated by the Belarusian airline
Belavia Belavia, formally Belavia Belarusian Airlines ( be, ААТ «Авіякампанія «Белавія»; russian: ОАО «Авиакомпания «Белавиа»), is the flag carrier and national airline of Belarus, headquartered in Minsk ...
, hit its left wing on the runway during takeoff and erupted into flames. Fire and rescue crews were reportedly on site within 50 seconds. The passengers also helped the crew members out of the cockpit. Yerevan's Zvartnots airport was temporarily closed after the crash, which took place at 04:15 local time. As of 10:30 local time, the airport was still closed while arrivals were being diverted to Gyumri's Shirak Airport. The first plane expected to land at Zvartnots was from Tehran at 11:30 local time. Seven passengers received serious injuries while the remaining 11 passengers and three crew were unhurt. There were no fatalities.


Investigation

Initial speculation pointed to icing on the wings which caused the left wing to stall upon lift-off. Icing conditions were reported at the airport during the crash, and the CRJs are very prone to wing contamination and icing since they do not have any leading edge devices. The Interstate Aviation Committee (MAK) performed a test employing a CRJ-900 registration to assess the accumulation and freeze of atmospheric moisture with large temperature differences between the ambient air and the remaining fuel in the tanks after landing. It was found that ice accumulated on the underside of the wing immediately after landing and grew 25 minutes after landing upon refueling. The upper side of the wing showed dew accumulation after refueling. The fuel temperature at the time of arrival was measured at , and before departure at with an ambient temperature of plus . At the time of the accident, it could therefore be assumed that the temperature of the fuel in EW-101PJ never got above with an ambient temperature of . Investigation teams from the
General Department of Civil Aviation of Armenia The Civil Aviation Committee ( hy, Քաղաքացիական ավիացիայի կոմիտե) is an agency of the Ministry of Territorial Administration and Infrastructure օf Armenia. Its head office is on the property of Zvartnots International Ai ...
, from
Belarus Belarus,, , ; alternatively and formerly known as Byelorussia (from Russian ). officially the Republic of Belarus,; rus, Республика Беларусь, Respublika Belarus. is a landlocked country in Eastern Europe. It is bordered by R ...
, and from Bombardier participated in the investigation to determine the probable cause of the accident.


Final report

The Russian Interstate Aviation Committee (MAK) released their final report in Russian which concluded that the most probable cause of the accident was: * The asymmetric loss of aerodynamics properties of the wing during takeoff, which resulted in stalling the aircraft immediately after liftoff, the left wing contacting the runway and the subsequent destruction and fire. * The reason for the loss of aerodynamics properties of the wing in the current weather conditions was frost contaminating the surfaces of the wings. The cause of the frost contamination was, most likely, the temperature difference of air and cold fuel in the tanks. * Takeoff below the recommended safe speed for contaminated wings aggravated the situation. * The current standard procedures to examine the aerodynamic surfaces before departure, along with the inefficiency, can not fully guarantee the preventions of similar accidents during takeoff in the future because of the high sensitivity of the wing, that does not permit even a slight contamination of the leading edge. * Deicing of the wings as required by an Airworthiness Directive by Transport Canada (Canada's Civil Aviation Authority) in the actual weather conditions released after another similar accident most likely could have prevented the accident.


See also

*
Aviation safety Aviation safety is the study and practice of managing risks in aviation. This includes preventing aviation accidents and incidents through research, educating air travel personnel, passengers and the general public, as well as the design of airc ...
*
List of accidents and incidents involving commercial aircraft This list of accidents and incidents involving commercial aircraft includes notable events that have a corresponding Wikipedia article. Entries in this list involve passenger or cargo aircraft that are operating commercially and meet this list ...


References


External links

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CRJ-100LR (CL-600-2B19) 14.02.2008
"

Interstate Aviation Committee The Interstate Aviation Committee (IAC; russian: Межгосударственный авиационный комитет, МАК) is an executive body of the Civil Aviation and Airspace Use Council of the Commonwealth of Independent States ( ...

Final ReportArchive
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" Belavia. 14 February 2008.
Photos of the aircraft involved at Airliners.net

Belavia Airlines Accident In Yerevan, 21 Injured

Reports: No Fatalities in Armenian CRJ Takeoff Crash 2008-02-14

Crash: Belavia CRJ100 at Yerevan on Feb 14th 2008, wing tip strike during takeoff
* * * {{coord missing, Armenia Airliner accidents and incidents caused by ice Aviation accidents and incidents in 2008 Aviation accidents and incidents in Armenia Accidents and incidents involving the Bombardier CRJ200 2008 in Belarus 2008 in Armenia Aviation in Belarus February 2008 events in Europe