Sikorsky S-61

E901828

helicopter medium-lift helicopter twin-engine helicopter

The Sikorsky S-61 is a twin-engine, medium-lift helicopter widely used for military, search and rescue, and civilian transport roles since its introduction in the late 1950s.

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All labels observed (2)

Label	Occurrences
Sikorsky S-61 canonical	3
Sikorsky S-61 family	1

Statements (46)

Predicate	Object
instanceOf	helicopter ⓘ medium-lift helicopter ⓘ twin-engine helicopter ⓘ
capability	amphibious operations ⓘ
capacity	up to around 30 passengers depending on variant ⓘ
category	rotorcraft ⓘ
construction	metal airframe ⓘ
countryOfOrigin	United States of America ⓘ surface form: United States
crew	2 ⓘ
designPeriod	1950s ⓘ
developedFrom	Sikorsky H-3 Sea King family NERFINISHED ⓘ
engineType	turboshaft ⓘ
enteredService	early 1960s ⓘ
firstFlight	1959 ⓘ
fuselageType	boat-hull fuselage ⓘ
introduced	late 1950s ⓘ
landingGear	retractable landing gear ⓘ
manufacturer	Sikorsky Aircraft NERFINISHED ⓘ
marketedAs	S-61L for land-based civil use ⓘ S-61N for offshore and maritime civil use ⓘ
notableVariant	S-61L NERFINISHED ⓘ S-61N NERFINISHED ⓘ Westland Sea King NERFINISHED ⓘ
numberOfEngines	2 ⓘ
powerplant	two turboshaft engines ⓘ
primaryUsers	civil operators ⓘ military operators ⓘ
role	civilian transport helicopter ⓘ military transport helicopter ⓘ search and rescue helicopter ⓘ utility helicopter ⓘ
rotorConfiguration	single main rotor ⓘ
status	in service ⓘ
tailRotor	yes ⓘ
usedBy	air forces ⓘ civil helicopter operators ⓘ coast guards ⓘ naval forces ⓘ
usedFor	anti-submarine warfare in some variants ⓘ firefighting in some configurations ⓘ maritime operations ⓘ medical evacuation ⓘ offshore support ⓘ passenger transport ⓘ search and rescue missions ⓘ troop transport ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Igor Sikorsky → notableWork → Sikorsky S-61 ⓘ

Lebanese Air Force → usesAircraftModel → Sikorsky S-61 ⓘ

Sikorsky S-61A-4 Nuri → basedOn → Sikorsky S-61 ⓘ

Sikorsky S-61A-4 Nuri → airframeFamily → Sikorsky S-61 ⓘ

this entity surface form: Sikorsky S-61 family