TECHNICAL INFO
SIKORSKY S61N SAR HELICOPTER

No of Engines: 2

Fuel: Jet A1 Avtur Derd 2492

Storage of Fuel: 3 Tanks underfloor & Aux Tank fitted in cabin

Fuel Capacity: Standard Tanks: 4250 lbs
Plus Aux Tank : 5450 lbs

Fuel Consumption: 1050 lbs / hour (approx) Acft fuel gauges are in lbs

Max Endurance: 4 Hours plus (including fuel reserves with standard tanks)
5.19 hrs plus (including reserves plus Aux tank)

Normal Cruise Speed : 110kts
Dash speed 120kts

Maximum Range: At 110 kts 485 nm .Radius of action 243 nm

Maximum All up weight: 20,500 lbs

Passenger Seats: up to 19 cabin seats plus 2 flight crew seats without a sea tray.
With Aux fuel tank & FLIR station fitted..14 cabin seats available

Helo Dimensions: Length 75Ft Width 62Ft

Communications: VHF (AM -Aeronautical) FM -Marine, MF,HF 5680Khz 3023Khz
4718Khz DF 121.5 ,243,406Khz

Squalk No: 2727: Fog Minima=500m min required up to 200 feet
Freezing Fog: Ice on rotors burns off - reduces lift

FLIR: Flir Camera fiited to nose is combined with TV Camera & TV Screen in
rear cabin .Flir does not work well in conditions of high moisture-rain/fog

AutoHover: Auto Flight Control system enables helo to make auto approach to the
hover and then auto hover at a height suitable for winching

Radius of Action: radius distance time on target rescue capacity (170lbs per pax)
220 440 25 mins 14 pax
200 400 45 mins 15 pax
150 300 1hr 45 mins 18 pax
100 200 2hr 37 mins 21 pax
50 100 2hr 30 mins 24 pax
Hoist: 600lbs & 295 ft explosive activated guillotine from Pilot

Malin Head Coast Guard Radio/EJM