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The maritime broadsheet of public waters  ·  Register current through 27 Jul 2026
Motor yacht · Damen Yacht Support (YS 5009 #6) · 2018

Power Play

Reportedly owned by Jan Koum. 55.7 metres — 183 feet — on the water.

Dark · Tyrrhenian Sea55.7 m · 183 ft489 GT$20M est. value
On fileThe specification
Length
55.7 m · 183 ft
Beam
9 m · 30 ft
Gross tonnage
489
Builder
Damen Yacht Support (YS 5009 #6)
Year
2018
Flag
Cayman Islands
Type
Motor
Home port
The Creek
Guests
—
Cruise speed
—
Est. value
$20M
IMO
9781401
MMSI
319163500
Call sign
ZGIS9
PhotographyThe vessel

4 photographs from public sightings via MarineTraffic. Click any frame to view it full size.

Where she wasLast position
StatusDark
WatersTyrrhenian Sea
Coordinates41.069° N, 9.546° E
Speed0.1 kn
Heading266°
Reported27 Jul 2026 · 19:16 UTC

A single AIS fix, not a live stream. Transponders are switched off routinely and lawfully in port.

Open the full map →
From the register

Support vessel for Mogambo/Moonrise; 489 GT, >20kn; Tyrrhenian Sea → Olbia Jul 2026

Same ownerElsewhere in the fleetJan Koum →
MoonriseFeadship

Moonrise

102 m$330M
MoonriseFeadship

Moonrise

99.95 m$325M
MogamboNobiskrug

Mogambo

73.42 m$75M
Ownership

Reportedly owned by Jan Koum

Jan Koum is linked to 5 hulls in the register, $790M combined.

View the Jan Koum file →

Specification and photography compiled from public maritime databases and open sightings. Position last reported 27 Jul 2026. Ownership is reported, not certified — see the method.