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Aviation Accident

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NTSB Identification: GAA18CA254
14 CFR Part 91: General Aviation
Accident occurred Friday, May 04, 2018 in Sisters, OR
Probable Cause Approval Date: 10/24/2018
Aircraft: BEECH 58, registration: N222BD
Injuries: 3 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot performed a steep approach over tree-covered descending terrain to the tree-lined runway. He reported that, on the approach, the airplane “encountered significant low-level wind shear and sink” about 800 ft before the runway. He aborted the landing, but the airplane impacted the ground 150 ft short of the runway. 
The airplane sustained substantial damage to both engine mounts and the right-wing spar.  
The AWOS located on the airport reported that, about the time of the accident, the wind was from 250° at 13 knots, gusting to 22 knots. The density altitude was reported as 4,000 ft, and the pilot landed on runway 20, which was 3,560 ft long.
The airport facility directory stated that runway 20 has a nonstandard entry due to rising terrain at the approach end, along with 81-ft-tall trees that were 560 ft from the approach end of the runway.
In the recommendation section of the National Transportation Safety Board Pilot Aircraft Accident Report, the pilot reported that the accident could have been prevented by avoiding nonstandard or steep approaches to runway 20 in gusting wind conditions.
The pilot reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • The pilot’s failure to maintain sufficient altitude during approach in gusting crosswind conditions, which resulted in an attempted rejected landing and a runway undershoot.