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Classic Sikorsky S-61N "Big Dog", a rare workhorse helicopter, ready for lift-off in blue PHI, Inc. livery.
Š Rum
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Spotter's notes
Parked at the skycrane helicopter business at the west end of Corona Airport. This is his home base.
Aircraft identity
Registration
N59AH
ICAO Type
S61N
Model
S-61N
Manufacturer
Sikorsky
Airline
PHI, Inc. (logo on side, likely subsidiary or contract division)
Livery
Dark blue with logo and 'Big Dog' nose art
Military
Civilian
Technicals
Engine
2 Ã General Electric CT58-140 turbines
Thrust
Not applicable (turboshaft engines)
Wingspan
Not applicable (rotor diameter: ~18.9 m)
Length
20.6 m
Height
5.13 m
MTOW
9,979 kg
Range
982 km
Capacity
Up to 30 passengers or ~3,600 kg cargo
Cruise Speed
222 km/h
Noise Rating
ICAO Chapter 8 (approx. 87-89 dB, but varies by configuration)
Camera
Device
iPhone 17 Pro Max