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K2 Aviation De Havilland DHC-2 crash in Denali killed 5





04.08.2018/ 17:53 AKD

US/ Alaska/ Talkeetna/ Denali National Park and Preserve


Preliminary Report: National Transportation Safety Board Aviation Accident ANC18FA063


On August 4, 2018, about 17:53 Alaska daylight time, a single-engine, de Havilland DHC-2 (Beaver) airplane, N323KT, sustained substantial damage during an impact with steep, high altitude, snow-covered terrain about 50 miles northwest of Talkeetna, Alaska, in Denali National Park and Preserve. The airplane was registered to Rust Properties, LLC and operated by Rust's Flying Service Inc, doing business as K2 Aviation as a visual flight rules on-demand commercial air tour flight, under the provisions of Title 14 Code of Federal Regulations Part 135 when the accident occurred. The commercial pilot and four passengers sustained fatal injuries. Visual meteorological conditions prevailed, and company flight following procedures were in effect. The flight originated at the Talkeetna Airport (TKA) about 17:05.
According to K2 Aviation, the purpose of the flight was to provide the four passengers a one-hour tour flight. This tour was to consist of an aerial tour of multiple glaciers, which included a flyover of the Denali Base Camp located on the Kahiltna Glacier, at 7,200 feet mean sea level (msl), and then return to Talkeetna.
According to archived global positioning system (GPS) track data from K2 Aviation's in-flight tracking system, at 17:46, as the flight passed over the Denali Base Camp, the airplane initially turns south, and travels down the Kahiltna Glacier. As the flight progressed southbound, it then turns to the left, and towards Talkeetna on a southeasterly heading. As the airplane continues on the southeasterly heading, the track terminates near a knife-edge ridge above the Kahiltna Glacier on Thunder Mountain.
At 17:53, the Alaska Rescue Coordination Center (RCC) received the first alert from the accident airplane's 406MHz emergency locator transmitter (ELT). At 17:56, K2 Aviation was alerted that the accident airplane's satellite tracking had stopped moving, and lost aircraft procedures were immediately initiated.
About 18:00, a satellite phone call from the accident pilot was received by personnel at K2 Aviation. The pilot stated that they had impacted a mountain and needed rescue. The call only lasted a couple minutes before the connection was lost. After several attempts, contact was once again made with the accident pilot, and he stated that he was trapped in the wreckage and there were possibly two fatalities. No further information was received before the connection was once again lost.
At 20:08, the National Park Service (NPS) high altitude rescue helicopter based in Talkeetna, was dispatched to the coordinates transmitted from the accident airplane's 406MHz ELT. However, due to continuous poor weather conditions in the area, the helicopter crew was not able to reach the accident site. The last attempted call from the crashed plane occurred at 20:35.  Search and rescue assets from the National Park Service (NPS), the RCC, the Alaska Air National Guard, the Alaska Army National Guard and the U.S. Army joined in the search and rescue mission.
On August 6, about 07:17, the crew of the NPS's high altitude rescue helicopter located the airplane wreckage in an ice crevasse, at an altitude of about 10,920 ft msl, on a hanging glacier on Thunder Mountain, which is located about 14 miles southwest of the Denali Summit. The airplane was highly fragmented, and the right wing had separated and fallen several hundred feet below the main wreckage. Subsequently, an NPS mountain rescue ranger was able to access the accident site utilizing a technique known as a short-haul, which allows transport of rescue personnel to otherwise inaccessible sites while suspended beneath a helicopter using a long-line. Once on scene, and while still connected to the helicopter, the ranger was able to locate the deceased pilot and three of the passengers in the forward portion of the fuselage, but the fifth occupant was missing. The fuselage was fractured aft of the trailing edge of the wings, and the fuselage was splayed open with blown, packed snow inside.
Rapidly deteriorating weather conditions limited the initial on-scene time to about five minutes.
On August 10, NPS launched another short-haul site assessment mission. During this mission, the fifth occupant was located in the aft section of the fuselage and was confirmed deceased.
According to NPS management personnel, given the unique challenges posed by the steepness of terrain, ice crevasses, avalanche danger, and the instability of the aircraft wreckage, it was determined that recovery of the occupants remains, and retrieval of the aircraft wreckage, exceed an acceptable level of risk and therefore a recovery will not be attempted.

While the Park Service identified the pilot as Craig Layson, who was able to radio his company, K2 Aviation immediately after the crash to say there were some survivors, the names of the Polish passengers were withheld at the request of the Consulate General of the Republic of Poland in Los Angeles.
The airplane is equipped with a Pratt and Whitney R-985 series engine.
The closest official weather observation station to the accident site was located at the Talkeetna Airport, about 50 miles to the southeast. On August 4, 2018, at 1753, the station was reporting, in part: wind 170° at 6 knots; visibility 10 statute miles; ceiling and clouds, 8,000 ft. scattered, 10,000 ft. broken; temperature 72° F; dew point 54° F; altimeter 29.87 inches of mercury.



На Аляске разбился самолет с польскими туристами


На Аляске разбился самолет с польскими туристами04.08.2018/ 17:53 AKD

США/ Аляска/ Национальный парк Денали


Во время обзорной экскурсии по Аляске самолет De Havilland DHC-2 (N323KT), в котором находились четыре туриста из Польши и пилот, разбился вечером в субботу, 4 августа 2018 г., на территории национального парка Денали, в 23 км к юго-западу от одноименной горы, в Аляске.
В первых часов после катастрофы пилот Craig Layson сумел подключиться к своим коллегам в авиакомпании К2 Aviation по спутниковому телефону. Службы начали спасательные действия, но поиски были затруднены погодными условиями.
Тела погибших нашли только 6 августа. Самолет засыпало снегом. Спущенные к нему с вертолета спасатели обнаружили четыре тела, но пятое не нашли. Тело пятого человека нашли 10 августа во время нового осмотра место происшествии.



В Аляска се разби самолет с полски туристи, загинаха 5-има


04.08.2018/ 17:53 AKD

САЩ/ Аляска/ Национален парк Денали/ Гръмотевичната планина


Самолет De Havilland DHC-2 (N323KT) на авиокомпанията К2 Aviation изпълняващ едночасов развлекателен полет с 4-ма поляци и пилот на борда се разбил привечер в Гръмотевичната планина, на стръмен заснежен склон на надморска височина 3328 м. в Национален парк Денали, Аляска, САЩ.

Към 18:00 ч пилотът на самолета Craig Layson успява да се свърже по сателитния телефон с колегите си от авиокомпанията. Обяснява, че са претърпели катастрофа и има ранени сред туристите. Разговорът продължава няколко минути. При сблъсъка на самолета със земята автоматично се задейства и предавателят на борда за локализирането му при извънредна ситуация (ELT - emergency locator transmitter) излъчващ на 406 Мхц. Сигналът му е приет от Координационния център за спасителни операции (RCC) на територията на Аляска и е задействана операция по спасяване. В нея взимат участие Националната паркова служба (NPS) с вертолет и 3-членен екипаж от пилот и двама спасители, авиокомпанията К2 Aviation с техен самолет за подпомагане откриването на мястото на произшествието, Въздушната национална гвардия с три ескадрили специализирани в спасителните операции и пр., но поради ниската облачност в района и настъпващата тъмнина не успяват да открият мястото. Пилотът успява да се свърже втори път към 19:00 ч м. вр. и докладва, че вероятно двама от туристите са починали, но останалите макар и ранени, са живи, а той е заклещен в останките на самолета. Последният му опит за връзка с наземните служби е в 20:35 ч., но неуспешен.

NPS успява да открие мястото на катастрофата едва на 06 август сутринта и със спасител привързан към зависналия вертолет то е огледано за около 4-5 минути поради бързо променящата се метеорологична обстановка, като са открити четири тела. Петото тяло не е намерено, но също е нямало следи от придвижване по снежната покривка. Открито е на 10 август при нов оглед на мястото от служители на NPS.

Поради това, че мястото е покрито със сняг и се намира на стръмен склон на голяма височина с опасност от лавини, оценяйки риска при опит за отнасяне на телата и останките служителите на NPS рещават да не предприемат действия, които могат да доведат до нови инциденти. Подкрепени са в решението им от експертите на National Transportation Safety Board (NTSB). Отломките на самолета и телата на загиналите са оставени на мястото на катастрофата за неопределено време. По молба на Генералното консулство на Полша в Лос Анджелис имената на полските туристи не са публикувани.


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04.08.2018 - AircrashConsult