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Sikorsky S-60 Flying Crane Research Prototype

The Sikorsky S-60 Flying Crane was a company-funded 1950s heavy-lift helicopter research vehicle that moved the external-load concept beyond conventional fuselage carriage. Its twin-engine crane arrangement, derived S-56 systems, and March 1959 flight-test program directly informed the later S-64 Skycrane lineage, while the prototype remained an experimental vehicle rather than a production aircraft.

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Identity

Aliases
S-60Flying CraneSikorsky S-60S-60 research vehicle
Family Name
Sikorsky S-60 Flying Crane
Full Name
Sikorsky S-60 Flying Crane Research Prototype
Roles
researchexperimentalcargotechnology_demonstrator
Status
retired
Type
aircraft

Details

Aircraft Specs
Configuration
rotorcraft
Operating Modes
land
Takeoff Landing Capabilities
vtol
Description
The Sikorsky S-60 Flying Crane was a company-funded 1950s heavy-lift helicopter research vehicle that moved the external-load concept beyond conventional fuselage carriage. Its twin-engine crane arrangement, derived S-56 systems, and March 1959 flight-test program directly informed the later S-64 Skycrane lineage, while the prototype remained an experimental vehicle rather than a production aircraft.
First Flight Year
1,959
Manufacturer
Propulsion Configurations
  • Entries
    • Count
      2
      Propulsion System
      Role
      main
      Variant Notes
      Pratt & Whitney R-2800-50; canonical propulsion node is the R-2800 family.
    Name
    S-60 R-2800 family installation
    Notes
    Sikorsky Archives identifies twin Pratt & Whitney R-2800-50 radial engines on the S-60 Flying Crane; the canonical node is family-level, so exact dash-variant precision remains explicit in variantNotes.

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Creation Time
August 8, 2026 at 01:16:44 UTC
Updated Time
August 14, 2026 at 16:17:44 UTC