Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the cruisers category.
01 / Overview
Portland-class cruiser
Category
Country
Prime contractor
Production
1932–1946
Quantity
2
Unit Price (current)
$255.0M↗ 2250% inflation · 1932→2025
Original Price
$10.9M (1932)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CRUISERS · INTERWAR PERIOD
39
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
$255.0M
Original: $10.9M (1932)
Inflation: +%2250
ⓘ Performance/Price and MASS score are computed across all units in the cruisers category, regardless of era.
02 / Specs & Design
◎Identification4MOD.4
- Laid Down1930
- Launched1932
- Commissioned1933
- Ships in Class2
◈Displacement2MOD.2
- Standard Displacement10,110 t
- Full Load Displacement12,970 t
▣Dimensions3MOD.3
- Length (overall)186 m
- Beam20 m
- Draft6.4 m
◇Complement2MOD.2
- Total Complement807
- Air Wing Personnel0
◆Propulsion6MOD.6
- PropulsionSteam Turbine
- Number of Engines4
- Shaft Power79,800 kW
- Shafts / Screws4
- Top Speed32.7 kn
- Range13,000
▤Gun Armament2MOD.2
- Main Gun Calibre203 mm
- Main Gun Count9
⬢Missile Armament4MOD.4
▲Underwater Warfare4MOD.4
- Torpedo Tubes0
- ASW CapabilityNo
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation4MOD.4
- Embarked Helicopters0
- HangarYes
- Flight DeckNo
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability4MOD.4
◇Armour2MOD.2
- Belt Armour81 mm
- Deck Armour64 mm
03 / History
SERVICE LIFESPANStill in Service
- 1932Production started
- 1939First deployment: World War II
- 1946Production ended
94
years in service
14
years in production
2
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
CRUISERS RANKING Cruisers · Interwar Period
MASS RANKINGSMASS ↗
83CRUISERS39INTERWAR PERIOD · CRUISERS1670UNITED STATES · ALL WEAPONS6PRICE · CRUISERS302PRICE · ALL WEAPONS32PERFORMANCE/PRICE · CRUISERS
ⓘ Rankings are within theCruiserscategory.
📖 TERMS ON THIS PAGE3terms
Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.
A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources