Key West, FL, USA
N55FN
Learjet 35
The flight crew conducted an instrument approach to their destination airport that terminated in a missed approach. Air traffic control provided radar vectors for a second approach, and during that time, the wind shifted due to the passage of a cold front and favored the opposite direction runway. The subsequent approach was uneventful; however, during the landing flare, the airplane touched down hard and was substantially damaged. Review of a weather sounding taken shortly before the accident revealed the potential for low-level windshear activity between the surface and 1,000 feet. Given this information, it is most likely that the flight crew encountered windshear during the landing flare, which resulted in a hard landing.
On December 15, 2018, about 0933 eastern standard time, a Learjet 35A, N55FN, was substantially damaged when it was involved in an accident during landing at Key West International Airport (EYW), Key West, Florida. The flight was operated by Medway Air Ambulance as a Title 14 Code of Federal Regulations Part 91 positioning flight. According to the operator, the first officer flew the initial approach to runway 9 at EYW. The crew visually acquired the runway but were not in a position to land the airplane and performed a missed approach. During the missed approach, they encountered turbulence, and the captain took the flight controls. While being radar-vectored for the second approach, air traffic control advised the crew that the wind had shifted and was favoring runway 27. The subsequent approach to runway 27 was uneventful. During the landing flare, the crew were unable to arrest the airplane’s descent, and the airplane landed hard. After taxiing to the ramp, they realized that the airplane was damaged during the landing. According to pictures provided by a Federal Aviation Administration (FAA) inspector, the airplane sustained substantial damage to the left engine pylon, left wing, and main landing gear. According to available weather information, a cold front moved across EYW around the time of the accident, followed by a second cold front that was approaching the area. The EYW upper air sounding, launched at 0700, indicated a surface wind from 220º at 6 knots with little directional variation with height and with wind speed increasing with height. At 1,000 ft a low-level wind maximum was identified from 210º at 18 knots, which resulted in a slight risk or "light" low-level wind shear condition below this level and potential surface wind gusts.
The flight crew’s encounter with windshear during the landing flare, which resulted in a hard landing.
Source: NTSB Aviation Accident Database
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