Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the intelligence / recon aircraft category.
01 / Overview
HE 4
Category
Country
Prime contractor
Production
1921–
Quantity
14
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
INTELLIGENCE / RECON AIRCRAFT · INTERWAR PERIOD
115
PERFORMANCE/PRICE
35
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the intelligence / recon aircraft category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Base Airframefloatplane
- Mission TypeReconnaissance
- Service Entry Year1923
- Flight Crew2
- Mission Crew2
- In ServiceYes
◈Powerplant2MOD.2
- Engine Type6-cylinder water-cooled inline piston engine
- Number of Engines1
▣Performance1MOD.1
- Service Ceiling4,000 m
◇Mission Systems8MOD.8
◆Armament (ASW/Strike)2MOD.2
- TorpedoesNo
- Anti-Ship MissilesNo
▤Dimensions3MOD.3
- Length12.65 m
- Wingspan18 m
- Max Takeoff Weight2,320 kg
⬢Production2MOD.2
- Total Built14
- Operators2
▲Service History2MOD.2
- Production Start1921
- Operational Statusretired
03 / History
SERVICE LIFESPANStill in Service
- 1921Production started
105
years in service
14
units produced
2
countries operating
05 / MASS Score
INTELLIGENCE / RECON AIRCRAFT RANKING Intelligence / Recon Aircraft · Interwar Period
MASS RANKINGSMASS ↗
364INTELLIGENCE / RECON AIRCRAFT115INTERWAR PERIOD · INTELLIGENCE / RECON AIRCRAFT1218GERMANY · ALL WEAPONS346PERFORMANCE/PRICE · INTELLIGENCE / RECON AIRCRAFT
ⓘ Rankings are within theIntelligence / Recon Aircraftcategory.
📚 Sources