0 Vanished in the Clouds: The Unresolved Tragedy of Robert Sieniawski and the Denali Flight
- Missing Persons
- by CSC Blog
- 06/29/2025
The Fateful Flight: A Routine Tour Turns Tragic
On August 4, 2018, Robert Sieniawski, a 46-year-old Polish national, embarked on what was intended to be a brief, scenic flight over Alaska's Denali National Park. Accompanied by fellow Polish tourists Janusz Intek, Kazimierz Miernik, and Maria Teresa Libacka, the group was piloted by Craig Layson, an experienced aviator with 42 years of flying under his belt. Departing from Talkeetna, Alaska, their aircraft—a single-engine de Havilland DHC-2 Beaver with tail number N323KT, operated by K2 Aviation—was scheduled for a one-hour sightseeing tour over the park's glaciers and the Denali Base Camp .
Disappearance Over Denali: A Sudden and Silent Vanishing
The flight proceeded as planned, with the aircraft reportedly flying over the Denali Base Camp at approximately 5:45 p.m. Shortly thereafter, the plane's GPS satellite tracker ceased transmitting, indicating a sudden and unanticipated event. Subsequent investigations revealed that the aircraft had crashed into a crevasse high on a knife-edge ridge of Thunder Mountain, situated at nearly 11,000 feet elevation and approximately 14 miles from Denali's summit....Read More