Report COM-2025-718

While cruising northwest of Sitka, Alaska, an airline pilot observed a metallic, disc-shaped object with a telescopic/segmented appendage fixed beneath it. The object passed ~1,000 ft below and ~0.5 NM to the right of the aircraft, appeared slow or stationary relative to normal crossing traffic, and was not displayed on TCAS. Estimated size was ~60–70 ft (about half a Boeing 737). Observed for ~5 seconds.

Date of occurrence

Jan 27, 2025

Location

Approximate position: N57°11.3′, W136°10.5′ (northwest of Sitka)

Reported duration

5 seconds

Observers

1

Objects

1