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SON-4
Photo: Billyhill · Wikimedia Commons · CC BY 3.0
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SON-4

Air Defense Radars · Russia · 1947
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SON-4

SON-4
SON-4 Photo: Billyhill · Wikimedia Commons · CC BY 3.0
MASS (Military Archive Scoring System) 33
* Absolute score — assessed within category · no era adjustment
Detection Range
40
Altitude Coverage
35
Target Capacity
30
ECCM
20
Low-Observable Detection
5
Mobility
25
Reliability
50
Tracking Quality
45
Technology
30
Cost-Effectiveness
60
Methodology ↗ → Air Defense Radars ranking
Origin Russia
CategoryAir Defense Radars
EraEarly Cold War
In service1947
⬇ Overview
⚙ Specs
⊕ History
⚖ MASS Score
📚 Sources
Data Quality83%
MASS(Military Archive Scoring System)
⊟ Air Defense Radarsranking ↗methodology ↗
33
Air Defense Radars MASS Rating
11/12
Early Cold War
97/111
All-Time
Air Defense Radars · 10 axes scored
Detection Range
40
Altitude Coverage
35
Target Capacity
30
ECCM
20
Low-Observable Detection
5
Mobility
25
Reliability
50
Tracking Quality
45
Technology
30
Cost-Effectiveness
60
ⓘ Regardless of era, the same scoring system applies to all units in the air defense radars category.
01 / Overview
SON-4
Category
Air Defense Radars
Country
Russia
Production
1947–
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
AIR DEFENSE RADARS · EARLY COLD WAR
11
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
MASS SCORE ↗
33
air defense radars category
ⓘ Performance/Price and MASS score are computed across all units in the air defense radars category, regardless of era.
02 / Specs & Design
03 / History
SERVICE LIFESPANRetired
  1. 1947Production started
79
years in service
Air Defense Radars Early Cold War Russia
📚 Sources
📖 ENCYCLOPEDIA Browse the Air Defense Radars entry →