Weather Conditions On The Flight Service Station

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Weather Conditions The accident report stated that the current and former relief pilots obtained weather briefings by calling the flight service station (FSS) when they had concerns about the weather (NTSB 911AA Eurocopter, 2014). There is no record of the accident pilot receiving a weather briefing from the FSS or by accessing the user terminal (NTSB 911AA Eurocopter, 2014). The sources the pilot used to check the weather prior to the mission are unknown. The current relief pilot uses the National Weather Service, and Alaska Aviation Weather Unit (AAWU) websites (NTSB 911AA Eurocopter, 2014). The AAWU displays weather information for pilots, including area forecasts, meteorological aerodrome reports, and terminal aerodrome forecasts. The forecasted weather for the search area at the time the pilot was contacted for the mission showed calm wind, visibility greater than 6 miles, and light showers (NTSB 911AA Eurocopter, 2014). The mission call was received at 2019, the observed weather conditions in Talkeetna at 1953 METAR were light rain, calm wind, visibility 10 miles (NTSB 911AA Eurocopter, 2014). At the same time the radar showed scattered showers in the Palmer, Alaska area moving toward the Talkeetna area (NTSB 911AA Eurocopter, 2014). Palmer is about 50 miles south/southeast of the accident site.
The following is from the NTSB investigation report (2014) and gives a statement of the weather from a witness 3 miles west of the accident site. 2020 – Clouds
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