Sikorsky S-64 Skycrane

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S-64 Skycrane / Aircrane
Air-Crane - Flickr - Beige Alert (cropped).jpg
Erickson S-64 over EAA AirVenture Oshkosh 2009
Role Aerial crane
National originUnited States
Manufacturer Sikorsky Aircraft
Erickson Inc.
First flight9 May 1962
StatusIn service
Primary user Erickson Inc.
Number built100
Developed from Sikorsky CH-54 Tarhe

The Sikorsky S-64 Skycrane is an American twin-engine heavy-lift helicopter. It is the civil version of the United States Army's CH-54 Tarhe. It is currently[ when? ] produced as the S-64 Aircrane by Erickson Inc.

Contents

Development

Under Sikorsky

The Sikorsky S-64 was designed as an enlarged version of the prototype flying crane helicopter, the Sikorsky S-60. The S-64 had a six-blade main rotor and was powered by two 4,050 shaft horsepower (3,020 kW) Pratt & Whitney JFTD12A turboshaft engines. The prototype S-64 first flew on 9 May 1962 and was followed by two further examples for evaluation by the German armed forces. [1] The Germans did not place an order, but the United States Army placed an initial order for six S-64A helicopters (with the designation YCH-54A Tarhe). Seven S-64E variants were built by Sikorsky for the civil market.

Under Erickson

Originally a Sikorsky Aircraft product, the type certificate and manufacturing rights were purchased from them by Erickson Air-Crane in 1992. Since that time, Erickson Air-Crane has become the manufacturer and world's largest operator of S-64 Aircranes and has made over 1,350 changes to the airframe, instrumentation, and payload capabilities of the helicopter. The Aircrane can be fitted with a 2,650 US gal (10,000 L) fixed retardant tank to assist in the control of bush fires. [2] The helicopter is capable of refilling its entire tank of water in 45 seconds from a water slide 18 in (46 cm) thick. [3]

S-64 Aircranes have been sold to the Italian and Korean Forest Services for fire suppression and emergency response duties. Those in the Erickson Air-Crane fleet are leased worldwide to organizations, companies, and federal government agencies for either short-term or longer term use in fire suppression, civil protection, heavy lift construction, and timber harvesting. Erickson is manufacturing new S-64s, as well as remanufacturing existing CH-54s.

Erickson gives each of its S-64s an individual name, the best-known being "Elvis", used in fighting fires in Australia alongside "The Incredible Hulk" and "Isabelle". Other operators, such as Siller Brothers, have followed with their Sikorsky S-64E, Andy's Pride. The Erickson S-64E nicknamed "Olga" was used to lift the top section of the CN Tower into place in Toronto, Ontario, Canada. [4]

Variants

Sikorsky Skycrane

Skycrane "Olga" lifting a CN Tower antenna segment CN Tower40 construction skycrane March 1975 01c.jpg
Skycrane "Olga" lifting a CN Tower antenna segment
S-64
Twin-engined heavy-lift helicopter, 3 built. 1 rebuilt as S-64E.
S-64A
Six test and evaluation helicopters for the US Army.
S-64B
Civil version of CH-54A, 7 built.

Erickson

S-64E
Upgraded CH-54A helicopters, plus one new build aircraft; 17 aircraft in total.
S-64F
Upgraded CH-54B helicopters; powered by two Pratt & Whitney JFTD12-5A engines; 13 aircraft in total.
S-64F+
Proposed upgraded version with new engines, avionics, and optional piloting. [5]

Operators

An Erickson S-64 making a water drop Air-Crane Water Drop - Flickr - Beige Alert.jpg
An Erickson S-64 making a water drop
Italian Forest Service S-64F CFS103.jpg
Italian Forest Service S-64F
Flag of Italy.svg  Italy
Flag of South Korea.svg  South Korea
Flag of the United States.svg  United States

Incidents

Specifications (S-64E)

Sikorsky S-64 Skycrane drawing.svg

Data from The International Directory of Civil Aircraft [22]

General characteristics

Performance

See also

Sikorsky installing monopole in Langkawi, Malaysia SikorskyBuiltTower.jpg
Sikorsky installing monopole in Langkawi, Malaysia

Related development

Aircraft of comparable role, configuration, and era

Related lists

Notes

  1. The minimum crew is two and the aft-stick operation can be done by the co-pilot
  2. The helicopter has five seats but the two observer seats can not be used during external load operations, if the aft-stick seat is used when not used for external-load operations then the controls have to be disengaged and guarded.

Related Research Articles

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References

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  4. "Topping of Tower". CNTower.ca. Archived from the original on 30 June 2020. Retrieved 29 June 2020.
  5. Reim, Garrett (29 January 2020). "Erickson to demo S-64 Air Crane flying autonomously using Sikorsky Matrix". FlightGlobal.com. Retrieved 31 January 2020.
  6. "Erickson delivers another Air Crane to Korea Forest Service". fireaviation.com. 2019. Retrieved 10 August 2021.
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External image
Searchtool.svg Line drawing of Skycrane