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Light Turbine-Powered Multi-Mission
Quality. Performance. Safety.
333
- S 3 3 3 T M H E L I C O P T E R T E C H N I C A L I N F O R M A T I O N
S T M
333S
T M
PerformanceStandard day, sea level, maximum gross weight unless otherwise noted
Maximum speed (VNE) Maximum cruise speed (VH) Hover ceiling, In-Ground-Effect (2550 lb) Hover ceiling, Out-of-Ground-Effect (2550 lb) Range (long range cruise speed @ 2000 ft, std day) - No reserve
Weights Maximum takeoff gross weight Empty weight, standard configuration Useful load Dimensions
Fuselage length Fuselage width Fuselage height (to top of tail pylon) Overall length (rotors turning) Overall height (to top of tail rotor) Width (horizontal stabilizer) Main rotor diameter Tail rotor diameter Main landing gear tread (fully extended) Main landing gear tread (fully compressed)
120 kts. 222 km/hr
95 kts. 176 km/hr
8,900 ft. 2,713 m
5,900 ft. 1,798 m
303 nm 561 km
2,550 lb. 1,157 kg
1,300 lb. 590 kg
1,250 lb. 567 kg
22.38 ft. 6.83 m
5.65 ft. 1.72 m
8.06 ft. 2.46 m
31.17 ft. 9.51 m
11.00 ft. 3.34 m
6.70 ft. 2.04 m
27.51 ft. 8.39 m
4.25 ft. 1.30 m
6.29 ft. 1.92 m
6.99 ft. 2.13 m
3 ppl
4 ppl
6.50 ft. 1.98 m
6.03 ft. 1.85 m
Rolls Royce 250-C20WGas Turbine
280 shp 209 kw232 shp 164 kw
493 lb. 224 kg
Accommodation Normal cabin seating (training) Maximum certified cabin seating (utility) Cabin length Cabin width
Powerplants Type Powerplant ratings(per engine, standard day, sea level)Takeoff (5-minute)Maximum continuous
Fuel Capacity Standard fuel capacity (73 0 US gal)
SPECIFICATIONS
1
333S
T MAIRCRAFT DIMENSIONS
2
333S
T MCOCKPIT LAYOUT 333
Three-Seat Configuration
Four-Seat Configuration
3
333S
T MCOCKPIT INSTRUMENT DISPLAY PANEL
Typical Small VFR Panel with Map Case
Typical Large VFR/IFR Panel
4
STANDARD EQUIPTMENT
Included in the aircraft basic certified empty weight.
• Three-bladed, fully articulated, upgraded main rotor system and rotor blades• Heavy duty landing gear skid shoes• Booted Oleo landing gear dampers• Elastomeric main and tail rotor dampers• Fuselage jack/lift fittings• Dual flight controls, left-hand pilot-in-command• Tie down/inlet cover kit• High stance landing gear with tube step• Collective friction control• Exterior Glasurit urethane paint• Cyclic friction control• Ground handling wheel brackets• Electric cyclic trim, two axis• Offset anti-torque pedals• External avionics access
Airframe and Control Systems• Rolls-Royce 250-C20W Engine• Electric digital OAT• 73 gallon fuel tank, crash resistant• Engine inlet anti-ice system• Fuel shut-off valve• Clock, electric• Engine wash kit• Beeper actuator/ trim servo• Airspeed indicator• N2 droop compensator• Magnetic compass• Starter/ generator cooling• Dual window altimeter• Kamatics KAFLEX drive adapter• N1 tachometer• Oil filter with by-pass• Dual engine/ rotor tachometer• Pitot/static system, unheated• Fuel quantity indicator• Running time (Hobbs) meter• Fuel filter (external)• Continuous ignition, pilot activated• Engine torque meter• Engine oil temperature indicator• Turbine outlet temperature indicator• Engine oil pressure indicator• Engine oil reflective sight gage• Voltmeter/ammeter gage• Annunciator warning panel (low Fuel, fuel filter by-pass, main rotor gearbox oil temp/ pressure engine chip, generator out, engine fire, engine out, tail gearbox chip, external power)
Powerplant, Systems and Instruments
• Sealed lead acid battery• Instrument panel lights• 150 amp starter/generator• Fixed landing light• Switchable hot mic intercom• Strobe/nav light package• Circuit breaker protection• Pilot map light• Essential/non-essential bus• Master avionics switch• External A.P.U. plug• Cyclic mounted radio frequency scrolling switch*• Accessory plug*Not available with cargo hook - optional grip available.
Avionics and Electrical System
• Adjustable ventilation system• Floor carpet• Clear cabin door windows• Publications and map storage• Circular air scoop vents on doors• Four-point inertia reel restraint system• Tinted canopy windows• Four-place interior: cushioned seats with headrests• Triple latch doors with key locks• Lap belts and shoulder harnesses
Cabin Accessories
Note: Manufacturer reserves the right to modify this configuration bysubstituting comparable or better equipment.
333S
T M
5
333S
T MOPTIONAL EQUIPTMENT 333
• Vertically adjustable landing light• Hobbs meter - landing gear contact switch• Baggage compartment• Ni-cad battery (17 A-HR SAFT)• Bleed air/heat/defrost• Particle separator (centrisep)• Barrier filter • Cabin cooling fan• Protective cabin cover• Cargo hook• Halon fire extinguisher• Clock, quartz – LC2 or LC2E• Sliding windows• Ground handling wheels (flyable)• Utility floor mats• Heated pitot system• Baggage compartment• Four-seats, dual controls LH or three- seats, dual controls RH• Miscellaneous mounting equipment for surveillance
Operational and Surveillance Options • Attitude gyro• Altair hums system• Audio panel/intercom, King KMA 24H-71• Blind encoder, ACK A-30• Comm Transceiver, King KY 196A• Comm Transceiver, King KY 96A• Comm/GPS, GNC 420 (GPS – communication)• Comm/GPS/moving map, GNC 250XL• Compass system, KCS 55A w/ HSI• Compass, vert. card overhead installation• Directional gyro• Handheld ICS/XMT switches• Headsets, David Clark H10-56• ICS foot switches• Intercom, NAT AA80, NAT AA83 stereo, NAT AA85• Marker beacon, King KR 21• NAV/COMM/GS, King KX 155-43 with KI 209 CDI• NAV/COMM/GS, King KX 165 with KI 206 CDI• NAV/COMM/GS/GPS, GNS 430 with GI 106A indicator• NAV/COMM/GS/GPS, GNS 530 with GI 106A indicator• OAT, density altitude indicator M655-2• Shadin mini-fuel flow system• Transponder, Garmin GTX320A• Transponder, Garmin GTX327• Transponder, Garmin GTX330 Mode S• Transponder, King KT 76A-11• Turn and slip indicator, Electrical Gyro Corp• Turn coordinator• VSI - instantaneous, United 7130• VSI, United 7000
Avionics Options
6
333S
T MPAINT OPTIONS 333
The BASF Glasurit exterior paint used on all Schweizer S333TM helicopters is one of the most technically advanced paints available. It is the same as that used by premium automobile companies such as BMW and Mercedes. The nine-step paint process offers superior corrosion protection and a durable yet attractive appearance.
Four factory standard trim styles and literally hundreds of colors are available.
Factory Standard Trim Styles
Type
A
Type
B
Type
C
Type
D
7
333S
T MSAFETY AND CRASHWORTHINESS 333
From the onset of its development, safety and crashworthiness were central to the S333TM helicopter design concept. The following safety features are incorporated into the S333TM aircraft.
Safety Features Crashworthiness Features
• Forgiving flight characteristics• No hydraulic systems• Gravity fuel system• Derated, reliable turbine engine• Proven dynamic system with high component lives• Easy inspection of drive train components• Exceptional autorotation characteristics• Fail-safe design features• High ground clearance• Ample engine power reserve under all flight conditions
• 25 inches of stroke in the landing gear• Cabin subfloor with 16 inches of crushable structure• Forward cabin structure designed to mil- spec plowing loads (energy absorption in longitudinal axis)• Cabin structure provides rollover protection• Raised rotor hub reduces possibility of blade impingement into cockpit• Fire / overheat detector system• Crashworthy fuel bladder designed to mil- spec criteria
8Schweizer Technical Info S333
Safety and Crashworthiness
From the onset of its development, safety and crashworthiness were central to the S-333TM helicopter design concept. The following safety features are incorporated into the S-333 aircraft.
Safety Features• Forgiving flight characteristics• No hydraulic systems• Gravity fuel system• Derated, reliable turbine engine• Proven dynamic system with high component lives• Easy inspection of drive train components• Exceptional autorotation characteristics• Fail-safe design features• High ground clearance• Ample engine power reserve under all flight conditions
Proven Dynamic System
Crashworthiness Features• 25 inches of stroke in the landing gear• Cabin subfloor with 16 inches of crushable structure• Forward cabin structure designed to mil-spec plowing loads (energy absorption in longitudinal axis)• Cabin structure provides rollover protection• Raised rotor hub reduces possibility of blade impingement into cockpit• Fire / overheat detector system• Crashworthy fuel bladder designed to mil-spec criteria
4 Point Restraint System
Rapid Throttle Response Hardpoints for
Rollover Protection
Crashworthy FuelBladder
Titanium/Stainless Steel Firewall & Fireshield
Low Aft Mounted Engine; First Stage Compressor Containment Ring
28 Inches of Ground Clearance
Structural CrashworthyKeel (Meets Mil-
Spec Plowing Load Requirements)
Rollover Protection Impingement Outside Crew
Envelope
Increased Energy Absorption, Crushable Structure
Energy Absorbing, High-Stance Landing Gear
Proven Dynamic System
8
333S
T MMISSION PERFORMANCE
Hover Ceiling Out-of-Ground-Effect - 280 SHP*
9Schweizer Technical Info S333
Mission Performance
Hover CeilingOut-of-Ground-Effect - 280 SHP*
13000
12000
11000
10000
9000
8000
7000
6000
5000
4000
3000
20002100 2150 2200 2250 2300 2350 2400 2450 2500 2550 2600
Gross weight (lb)
*Performance data based on company flight test and analysis at a maximumtake-off power of 280 shp.
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
ISA
0°F (-18°C)
50°F (10°C)
ISA + 36°F (20°C)
ISA + 50°F (28°C)
100°F (38°C)
Pres
sure
altit
ude
(feet
)
*Performance data based on company flight test and analysis at a maximum take-off power of 280 shp.
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
9
333S
T MMISSION PERFORMANCE
Hover Ceiling In-Ground-Effect - 280 SHP*
10Schweizer Technical Info S333
Mission Performance
Hover CeilingIn-Ground-Effect - 280 SHP*
13000
12000
11000
10000
9000
8000
7000
6000
5000
4000
30002100 2150 2200 2250 2300 2350 2400 2450 2500 2550 2600
Gross weight (lb)
*Performance data based on company flight test and analysis at a maximumtake-off power of 280 shp.
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
ISA + 50°F (28°C) 50°F (10°C)
ISA + 36°F (20°C) ISA 0°F (-18°C)
100°F (38°C)
Pres
sure
altit
ude
(feet
)
*Performance data based on company flight test and analysis at a maximum take-off power of 280 shp.
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
10
333S
T MMISSION PERFORMANCE
Vne vs Density Altitude
11Schweizer Technical Info S333
Mission Performance
Vne vs Density Altitude
13000
12000
11000
10000
9000
8000
7000
6000
5000
4000
3000
2000
1000
00 20 40 60 80 100 120 140
Airspeed (Kias)
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
No Interpolation Permitted
Gross weight - 2300 lb or less
Gross weight - 2301-2550 lb
Den
sity
Altit
ude
(feet
inth
ousa
nds)
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
11
333S
T MMISSION PERFORMANCE
Height-Velocity Diagram
12Schweizer Technical Info S333
Mission Performance
Height-Velocity Diagram
500
450
400
350
300
250
200
150
100
50
00 20 40 60 80 100 120
Airspeed (Kias)(Corrected for instrument error)
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
Recommended takeoff profile
Hei
ghta
bove
surfa
ce(fe
et)
Note: Performance charts vary with individual aircraft configuration. Consult Flight Manual for actual flight operations.
Smooth hard surface avoid operation in crosshatched areas
12
333S
T MOVERHAUL AND RETIREMENT SCHEDULE
Main rotor transmission Tail rotor transmission Engine Belt drive system overhaul - Compressor- Turbine-mini- Turbine- Fuel pump- Fuel control- Power governor- Fuel nozzle- Bleed valve- Starter/generator
Components with Scheduled Overhaul Times Hours2,2004,200
2,200*
350017503500400025002000250015001000
Aft fuselage splice fitting Engine drive adapter Horizontal stabilizer assemblyKAFLEX drive shaft Main rotor blade Main rotor hub assembly Main rotor shaft assembly Main rotor elastomeric dampersMain rotor mast Main rotor pitch bearing shaft Main rotor thrust bearing Main rotor transmission carrier Main rotor transmission input pinionTailboom assembly Tail rotor drive shaft Tail rotor blade Tail rotor blade retention strapsVertical tail Vertical tail attach fittings Belt drive system overhaul - Upper ball bearings, belt drive frame assembly- Lower ball bearings, belt drive frame assembly- Idler pulley bearings, belt drive assembly
Components with Mandatory Retirement Times Hours52006000850076005200750016006000
1350052002000440044005200
18600120005100
130005200
240024002400
13
333S
T MNOTES
14
333S
T MNOTES
15
333S
T MNOTES
16
www.schweizerusa.com
Quality. Performance. Safety.
3901 North Main StreetHangar 25Fort Worth, Texas 76106+1 817-405-2100
Proudly Manufacturedin Fort Worth, TX USA
333S
T M