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AS350B1 Écureuil
Photo: Tomás Del Coro from Las Vegas, Nevada, USA · Wikimedia Commons · CC BY-SA 2.0
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AS350B1Écureuil

Utility / Transport Helicopters · France · 1974
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AS350B1Écureuil

AS350B1 Écureuil
AS350B1 Écureuil Photo: Tomás Del Coro from Las Vegas, Nevada, USA · Wikimedia Commons · CC BY-SA 2.0
* Absolute score — assessed within category · no era adjustment
Payload / Capacity
60
Range
55
Versatility
85
Reliability
80
Speed
60
Survivability
50
Hot-and-High Performance
70
Maintainability
85
Technology
75
Cost-Effectiveness
90
Origin France
CategoryUtility / Transport Helicopters
EraCold War
In service1974
Operators4 countries
Data Quality86%
70
Utility / Transport Helicopters MASS Rating
25/61
Cold War
68/208
All-Time
Utility / Transport Helicopters · 10 axes scored
Payload / Capacity
60
Range
55
Versatility
85
Reliability
80
Speed
60
Survivability
50
Hot-and-High Performance
70
Maintainability
85
Technology
75
Cost-Effectiveness
90
ⓘ Regardless of era, the same scoring system applies to all units in the utility / transport helicopters category.
01 / Overview
AS350B1 Écureuil
Country
Production
1974–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
UTILITY / TRANSPORT HELICOPTERS · COLD WAR
25
PERFORMANCE/PRICE
92
UNIT COST (2025 USD)
—
70
utility / transport helicopters category
ⓘ Performance/Price and MASS score are computed across all units in the utility / transport helicopters category, regardless of era.
02 / Specs & Design
◎General6MOD.6
  • First Flight1974
  • Service Entry Year1978
  • Crew1
  • Passengers6
  • Primary RoleUtility / Transport Helicopter
  • In ServiceYes
◈Powerplant8MOD.8
  • Engine TypeTurbomeca Arriel 1D1
  • Number of Engines1
  • Engine Power (each)478 kW
  • Transmission Rating478 kW
  • Rotor ConfigurationSingle main rotor
  • Main Rotor Diameter10.69 m
  • Main Rotor Blades3
  • Anti-Torque TypeTail rotor
▣Performance10MOD.10
  • Top Speed287 km/h
  • Cruise Speed230 km/h
  • Never-Exceed Speed (VNE)287 km/h
  • Service Ceiling5,280 m
  • Hover Ceiling (IGE)3,500 m
  • Hover Ceiling (OGE)2,700 m
  • Range666 km
  • Ferry Range900 km
  • Rate of Climb8.9 m/s
  • Endurance240
◇Dimensions & Weights7MOD.7
  • Fuselage Length10.93 m
  • Height3.14 m
  • Rotor Disc Area89.75
  • Empty Weight1,174 kg
  • Max Takeoff Weight2,250 kg
  • Useful Load1,076 kg
  • Cabin Volume2.2
◆Armament & Mission4MOD.4
⬢Survivability1MOD.1
▲Production1MOD.1
  • Variants1
◎Service History2MOD.2
  • Production Start1974
  • Operational StatusIn service
03 / History
SERVICE LIFESPANStill in Service
  1. 1974Production started
52
years in service
2
countries operating
ⓘ The producing country still actively operates it. 2 countries retired it.
04 / Operators
📖 TERMS ON THIS PAGE4terms
Autopilot/AFCS (Automatic Flight Control System) is an avionics suite that automatically controls a helicopter’s attitude, navigation and flight path, providing stability augmentation and reducing pilot workload.
Seats designed to absorb crash forces, reducing injury to occupants.
Combined forward-looking infrared (FLIR) and electro-optical (EO) sensor turret for target acquisition and tracking, typically mounted on aircraft or ground vehicles.
A mechanical device used to lift personnel or cargo via a cable, typically mounted on helicopters for rescue or recovery operations.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources
📖 ENCYCLOPEDIA Browse the Utility / Transport Helicopters entry →