Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the patrol boats & fast attack craft category.
01 / Overview
flat-iron gunboat
Category
Prime contractor
Production
1867–1894
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
PATROL BOATS & FAST ATTACK CRAFT · PRE-WWI / INDUSTRIAL AGE
105
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the patrol boats & fast attack craft category, regardless of era.
02 / Specs & Design
◎Identification3MOD.3
- Hull Classificationsteel
- Ship Typecoastal gunboat
- In ServiceYes
◈Displacement1MOD.1
- Light Displacement250 t
▣Dimensions2MOD.2
- Length (overall)30 m
- Draft1.8 m
◇Complement1MOD.1
- Total Complement30
◆Propulsion6MOD.6
- Propulsion Typesteam
- Arrangement (CODAG/COGAG…)twin screw
- Number of Engines2
- Shafts / Screws2
- Top Speed9 kn
- Nuclear-PoweredNo
▤Gun Armament3MOD.3
- Main Gun10‑inch (254 mm) muzzle‑loading rifle
- Main Gun Calibre254 mm
- Main Gun Count1
⬢Missile Armament3MOD.3
▲Underwater Warfare3MOD.3
◎Aviation3MOD.3
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull Materialiron/steel
- Stealth ShapingNo
- Automated Damage ControlNo
03 / History
SERVICE LIFESPANRetired
- 1867Production started
- 1875Sale: Argentina (4 units)
- 1894Production ended
- 1914First deployment: World War I
159
years in service
27
years in production
0
countries operating
ⓘ 13 countries retired it.
04 / Operators
Operator Countries13country
flat-iron gunboatSALES1records
| Year | Buyer | Quantity | Amount | Present Value (2025) |
|---|---|---|---|---|
| 1875 |  Argentina | 4 | — | — |
ⓘ "Present Value" is an estimated amount adjusted for inflation.
05 / MASS Score
PATROL BOATS & FAST ATTACK CRAFT RANKING Patrol Boats & Fast Attack Craft · Pre-WWI / Industrial Age
MASS RANKINGSMASS ↗
372PATROL BOATS & FAST ATTACK CRAFT105PRE-WWI / INDUSTRIAL AGE · PATROL BOATS & FAST ATTACK CRAFT66PERFORMANCE/PRICE · PATROL BOATS & FAST ATTACK CRAFT
ⓘ Rankings are within thePatrol Boats & Fast Attack Craftcategory.
📖 TERMS ON THIS PAGE1terms
Cruise missiles designed to strike land targets from naval platforms, typically launched from ships or submarines.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources