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HTE-1
Photo: ZLEA · Wikimedia Commons · CC BY-SA 4.0
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HTE-1

Utility / Transport Helicopters · United States · 1948
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HTE-1

HTE-1
HTE-1 Photo: ZLEA · Wikimedia Commons · CC BY-SA 4.0
* Absolute score — assessed within category · no era adjustment
Payload / Capacity
10
Range
15
Versatility
20
Reliability
40
Speed
10
Survivability
5
Hot-and-High Performance
10
Maintainability
60
Technology
5
Cost-Effectiveness
75
Origin United States
ManufacturerHiller Aircraft Company
CategoryUtility / Transport Helicopters
EraEarly Cold War
In service1948–1965
Operators20 countries
Quantity17
Data Quality88%
22
Utility / Transport Helicopters MASS Rating
41/42
Early Cold War
205/208
All-Time
Utility / Transport Helicopters · 10 axes scored
Payload / Capacity
10
Range
15
Versatility
20
Reliability
40
Speed
10
Survivability
5
Hot-and-High Performance
10
Maintainability
60
Technology
5
Cost-Effectiveness
75
ⓘ Regardless of era, the same scoring system applies to all units in the utility / transport helicopters category.
01 / Overview
HTE-1
Prime contractor
Production
1948–1965
Quantity
17
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
UTILITY / TRANSPORT HELICOPTERS · EARLY COLD WAR
41
PERFORMANCE/PRICE
80
UNIT COST (2025 USD)
—
22
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 Flight1948
  • Service Entry Year1948
  • Crew2
  • Passengers0
  • Primary Roletraining
  • In ServiceNo
◈Powerplant7MOD.7
  • Engine TypeFranklin O-335
  • Number of Engines1
  • Engine Power (each)133 kW
  • Rotor Configurationconventional
  • Main Rotor Diameter10.8 m
  • Main Rotor Blades2
  • Anti-Torque Typetail rotor
▣Performance4MOD.4
  • Top Speed156 km/h
  • Service Ceiling4,500 m
  • Range300 km
  • Rate of Climb4.6 m/s
◇Dimensions & Weights5MOD.5
  • Fuselage Length8.53 m
  • Height2.95 m
  • Rotor Disc Area91.5
  • Empty Weight737 kg
  • Max Takeoff Weight1,089 kg
◆Armament & Mission6MOD.6
▲Production2MOD.2
  • Total Built17
  • Variants1
◎Service History3MOD.3
  • Production Start1948
  • Production End1965
  • Operational Statusretired
03 / History
SERVICE LIFESPANRetired
  1. 1945First deployment: Cold War
  2. 1948Production started
  3. 1950Entered service
  4. 1965Production ended
78
years in service
17
years in production
17
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 20 countries retired it.
04 / Conflicts
HTE-1 · CONFLICTS SERVED IN100% win
Total Conflicts
1
Victories
1
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
📚 Sources
📖 ENCYCLOPEDIA Browse the Utility / Transport Helicopters entry →