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Patrol & mine warfare vessels2011Profile in progress
gunboat
TT-400TP gunboat is documented in the equipment reference catalogue. It was built by Z173 Shipyard. Reported operators include Vietnam People's Navy.
VietnamTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 1 Oct 2026 | 54.16 m | Wikipedia contributors | superseded |
| 1 Oct 2026 | 54.16 m | Wikipedia contributors | superseded |
| 1 Oct 2026 | 54.16 m | Wikipedia contributors | approved |
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TT-400TP class gunboat
Z173 Shipyard
Vietnam People's Navy
US$1,000,000 Unarmed
2011
378 tons (standard), 420 tons (combat load), 455 tons (full load)
54.16 metres (177.6 feet)
9.16 metres (30 feet)
2.7 metres (8.8 feet)
up to 32 knots (59 km/h; 37 mph)
2,500 miles
30 days
28
Radar : MR-123/176 Vympel/Bass Tilt, Bass Tilt AK-630 fire-control
1 x 76.2mm AK-176 main gun 1 x 30mm AK-630 CIWS 2 x KPVT 14.5mm heavy machine gun
gunboat
The TT-400TP is the first class of warship designed and built by Vietnam in Z173 Shipyard . This class is based on the "Lan" project designed by the Ukrainian State Research and Design Shipbuilding Center .
The TT-400TP is the first class of warship designed and built by Vietnam in Z173 Shipyard . This class is based on the "Lan" project designed by the Ukrainian State Research and Design Shipbuilding Center .
TT-400TP Patrol boat / Gunboat 272 275 6 Vietnam Built by Hong Ha Shipbuilding Company (Vietnam). Based on a foreign design.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
TT-400TP gunboat equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
VietnamNavy exact named TT-400TP equipment holdings under PATROL AND COASTAL COMBATANTS, PCO. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. This is the named service only, not a national or parent-force total, factory production, ordered future units or combat-readiness measure. Weapons per vessel, crews, payloads and capacity counts are excluded. The own article explicitly identifies this class or individual and equipment role; no parent or sibling quantity is inherited.