Marco Cristobal Alletto, 47, disappeared on August 21, 2010, while traveling by small plane in Katmai National Park and Preserve. He was one of four people on the flight from Swikshak Bay to Brooks Camp; the others were Mason McLeod, Seth Spradlin, and Neal Spradlin. The aircraft failed to arrive and a missing-person report was filed with the Alaska State Troopers on August 22, 2010.

Searches lasted more than a month. On September 28, 2010, debris from the plane was found, confirming the aircraft had crashed.

Does anyone have information about the flight, the passengers, or sightings in the Swikshak Bay–Brooks Camp area that could help fill gaps in the timeline?