Sikorsky S-61N

Rum 🇺🇸

28 Apr 2026 · © Rum

Parked at the skycrane helicopter business at the west end of Corona Airport. This is his home base.

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Aircraft

S-61N S61N

Dark blue with logo and \'Big Dog\' nose art

N59AH

Registration

Airline

PHI, Inc. (logo on side, likely subsidiary or contract division)

Manufacturer

Sikorsky

Gear

iPhone 17 Pro Max

Achievements

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Insights

Aviation History

The Sikorsky S-61N is an iconic twin-engine commercial helicopter developed from the military SH-3 Sea King, widely used for offshore oil transport, search and rescue, and firefighting. Still in use despite the original design dating to the late 1950s.

Fleet Rarity

Rare; only a handful remain active worldwide, most have been retired or converted to specialized roles.

Record Flights

No significant world record flights, but widely used in notable SAR operations and offshore supply missions.

Safety & Events

Several S-61N helicopters have been involved in offshore rescues, and a few non-fatal accidents (mostly related to challenging marine environments).

Future Outlook

Most S-61Ns are being phased out, scrapped, or preserved; a few actively fly for specialized missions.

Specifications

2 × General Electric CT58-140 turbines

Engine

Not applicable (rotor diameter: ~18.9 m)

Wingspan

20.6 m

Length

982 km

Range

222 km/h

Speed

Up to 30 passengers or ~3,600 kg cargo

Capacity

9,979 kg

MTOW

5.13 m

Height

Not applicable (turboshaft engines)

Thrust

ICAO Chapter 8 (approx. 87-89 dB, but varies by configuration)

Noise