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Type XXVII F U-boat
Photo: PimboliDD · Wikimedia Commons · CC BY-SA 3.0
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TypeXXVIIFU-boat

Midget / Coastal Submarines · Germany · 1912
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TypeXXVIIFU-boat

Type XXVII F U-boat
Type XXVII F U-boat Photo: PimboliDD · Wikimedia Commons · CC BY-SA 3.0
* Absolute score — assessed within category · no era adjustment
Stealth
30
Compactness
75
Special-Ops Capability
10
Littoral Suitability
50
Sensors
15
Endurance
20
Firepower
25
Survivability
10
Technology
5
Cost-Effectiveness
80
Origin Germany
CategoryMidget / Coastal Submarines
EraPre-WWI / Industrial Age
In service1912
Operators1 countries
Quantity4
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
75
Special-Ops Capability
10
Littoral Suitability
50
Sensors
15
Endurance
20
Firepower
25
Survivability
10
Technology
5
Cost-Effectiveness
80
ⓘ Regardless of era, the same scoring system applies to all units in the midget / coastal submarines category.
01 / Overview
Type XXVII F U-boat
Country
Production
1912–
Quantity
4
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MIDGET / COASTAL SUBMARINES · PRE-WWI / INDUSTRIAL AGE
1
PERFORMANCE/PRICE
68
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
◎Identification1MOD.1
  • Submarine TypeCoastal Submarine
◈Displacement & Dimensions5MOD.5
  • Surfaced Displacement150 t
  • Submerged Displacement180 t
  • Length25.1 m
  • Beam3.1 m
  • Draft3.1 m
▣Propulsion5MOD.5
◇Diving & Endurance1MOD.1
  • Complement (crew)2
◆Armament3MOD.3
03 / History
SERVICE LIFESPANRetired
  1. 1912Production started
114
years in service
4
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 →