50 m motor yacht · Cayman Islands flag
IMPROMPTU
Underway last making 12.7 knots. Last signal 5 Sep 2026, 10:19 UTC.
IMPROMPTU is a 50 m motor yacht registered under the Cayman Islands flag, on the record since 14 Jul 2026. The last 90 days show 2 port calls, with the most harbour time at Port Hercule, plus 5 spells at anchor in open water.
Last recorded position, about 18 km off Port Canto (Cannes), rounded to ~100 m, as of 5 Sep 2026, 10:19 UTC. Imagery ©Mapbox ©OpenStreetMap
The last 90 days
Port calls
| Arrived | Departed | Place | Time in port |
|---|---|---|---|
| 4 Sep 2026 | 5 Sep 2026 | At anchor (open water) | 21 hours |
| 2 Sep 2026 | 4 Sep 2026 | At anchor (open water) | 46 hours |
| 21 Jul 2026 | 24 Jul 2026 | Port de Saint-Tropez | 3 days |
| 19 Jul 2026 | 21 Jul 2026 | At anchor (open water) | 44 hours |
| 19 Jul 2026 | 19 Jul 2026 | At anchor (open water) | 14 hours |
| 18 Jul 2026 | 18 Jul 2026 | At anchor (open water) | 2 hours |
| 14 Jul 2026 | 18 Jul 2026 | Port Hercule | 4 days |
Movement log
5 Sep 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for St Tropez |
4 Sep 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for Eze |
2 Sep 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for Monaco | |
| Reappeared | — |
18 Aug 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for Mc Mon | |
| Reappeared | — |
24 Jul 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for It Porto Rotondo | |
| Departed | Port de Saint-Tropez |
21 Jul 2026
| Time (UTC) | Event | Place |
|---|---|---|
| Arrived | Port de Saint-Tropez |
19 Jul 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for Fr Stp | |
| New destination | for Fr Pampelonne |
18 Jul 2026
| Time (UTC) | Event | Place |
|---|---|---|
| New destination | for Fr Stp | |
| Departed | Port Hercule | |
| New destination | for Fr Pampelonne |
14 Jul 2026
| Time (UTC) | Event | Place |
|---|---|---|
| Arrived | Port Hercule | |
| First recorded | — |
Economic footprint
At 50 m, IMPROMPTU represents an estimated €13,000 a day in running spend — crew, berthing, fuel, maintenance and provisioning — much of it landing wherever the yacht is lying. An order-of-magnitude estimate, not an account: how it is derived.
Build & specification
- Builder
- Trinity
- Model
- Trinity 164
- Year built
- 2011
- Refit
- 2025
- Gross tonnage
- 490 GT
- Cruising speed
- 16.5 kn
- Top speed
- 18.5 kn
- Hull
- Aluminum
Registry particulars
- Name
- IMPROMPTU
- Type
- Motor Yacht
- Length overall
- 50 m
- Beam
- 9 m
- Flag
- Cayman Islands
- MMSI
- 319769000
- IMO
- 9599640
- Callsign
- ZGBJ3
- First recorded
- 14 Jul 2026
- Last signal
- 5 Sep 2026, 10:19 UTC
Particulars as broadcast over AIS; dimensions are the transmitted hull values. Vessel operators: see the privacy & takedown policy.