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BL 7.5-inch naval howitzer
Photo: photographer not identified · Wikimedia Commons · Public domain
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BL7.5-inchnavalhowitzer

Maritime Patrol & ASW Aircraft · United Kingdom · 1917
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BL7.5-inchnavalhowitzer

BL 7.5-inch naval howitzer
BL 7.5-inch naval howitzer Photo: photographer not identified · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
ASW Effectiveness
20
Sensor Suite
10
Endurance
30
Range
25
Weapons Payload
15
Sonobuoy Capability
0
Search Coverage
10
Reliability
60
Technology
5
Cost-Effectiveness
75
Origin United Kingdom
CategoryMaritime Patrol & ASW Aircraft
EraWorld War I
In service1917
Operators1 countries
Quantity377
Data Quality85%
21
Maritime Patrol & ASW Aircraft MASS Rating
1/2
World War I
115/130
All-Time
Maritime Patrol & ASW Aircraft · 10 axes scored
ASW Effectiveness
20
Sensor Suite
10
Endurance
30
Range
25
Weapons Payload
15
Sonobuoy Capability
0
Search Coverage
10
Reliability
60
Technology
5
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the maritime patrol & asw aircraft category.
01 / Overview
BL 7.5-inch naval howitzer
Production
1917–
Quantity
377
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MARITIME PATROL & ASW AIRCRAFT · WORLD WAR I
1
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
21
maritime patrol & asw aircraft category
ⓘ Performance/Price and MASS score are computed across all units in the maritime patrol & asw aircraft category, regardless of era.
02 / Specs & Design
◎General3MOD.3
  • Mission TypeAnti-submarine warfare
  • Service Entry Year1917
  • In ServiceYes
◈Performance1MOD.1
  • Range1.9 km
◇Armament (ASW/Strike)3MOD.3
◆Dimensions1MOD.1
  • Max Takeoff Weight368 kg
▤Production1MOD.1
  • Total Built377
⬢Service History2MOD.2
  • Production Start1917
  • Operational StatusRetired
03 / History
SERVICE LIFESPANRetired
  1. 1914First deployment: World War I
  2. 1917Production started
109
years in service
377
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Operators
Operator Countries1country
📚 Sources
📖 ENCYCLOPEDIA Browse the Maritime Patrol & ASW Aircraft entry →