LATEST Ancient Prototypes of Proxy Warfare: The Economic and Logistical Burden of Roman and Persian Proxy Networks among Arab Tribes and Caucasian Powers
SEARCH
DB ONLINE
EN ▾
Ha-1-class submarine
Photo: Unknown author · Wikimedia Commons · Public domain
REC // INTEL FEED

Ha-1-classsubmarine

Midget / Coastal Submarines · Japan · 1907
ADD TO COMPARE

Ha-1-classsubmarine

⚙ C-class submarine variant
Ha-1-class submarine
Ha-1-class submarine Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Stealth
30
Compactness
60
Special-Ops Capability
10
Littoral Suitability
50
Sensors
20
Endurance
15
Firepower
25
Survivability
35
Technology
10
Cost-Effectiveness
80
Origin Japan
ManufacturerVickers Shipbuilding and Engineering
CategoryMidget / Coastal Submarines
EraPre-WWI / Industrial Age
In service1907–1908
Operators1 countries
Quantity2
Data Quality84%
31
Midget / Coastal Submarines MASS Rating
1/5
Pre-WWI / Industrial Age
44/50
All-Time
Midget / Coastal Submarines · 10 axes scored
Stealth
30
Compactness
60
Special-Ops Capability
10
Littoral Suitability
50
Sensors
20
Endurance
15
Firepower
25
Survivability
35
Technology
10
Cost-Effectiveness
80
ⓘ Regardless of era, the same scoring system applies to all units in the midget / coastal submarines category.
01 / Overview
Ha-1-class submarine
Country
Production
1907–1908
Quantity
2
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MIDGET / COASTAL SUBMARINES · PRE-WWI / INDUSTRIAL AGE
1
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
31
midget / coastal submarines category
ⓘ Performance/Price and MASS score are computed across all units in the midget / coastal submarines category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
  • Laid Down1907
  • Commissioned1909
  • Boats in Class2
  • In ServiceYes
◈Displacement & Dimensions5MOD.5
  • Surfaced Displacement291 t
  • Submerged Displacement326 t
  • Length43.3 m
  • Beam4.14 m
  • Draft3.43 m
▣Propulsion5MOD.5
◇Diving & Endurance3MOD.3
  • Test Depth30.5 m
  • Patrol Duration4 day
  • Complement (crew)26
◆Armament3MOD.3
03 / History
SERVICE LIFESPANRetired
  1. 1907Production started
  2. 1908Production ended
119
years in service
1
years in production
2
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Operators
Operator Countries1country
📖 TERMS ON THIS PAGE2terms
Anti-ship missiles are guided missiles designed to engage and destroy naval vessels. They are typically used by aircraft, ships, or submarines to attack enemy ships.
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Midget / Coastal Submarines entry →