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TYPE
SM-74
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Turboprop Regional Airliner
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POWERPLANT
Number and Type
Model
Maximum SHP @ RPM
Propeller
Propeller Diameter
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Twin Engine Turboprop
Motor Sich/ZMDB Progress D-27 Turboprop
2 x 14,500 SHP @ 1,000 RPM
Hamilton Standard 8-Blade Scimitar
17 ft 6 in
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ACCOMMODATION
Flight Crew
Flight Attendants
Passengers; All First Class 41-in Pitch
Passengers; All Business Class 36-in Pitch
Passengers; All Coach Class 32-in Pitch
Total Aircraft Accomodation
Cabin Overhead Baggage Capacity
Cargo Hold Capacity
Total Aircraft Baggage/Cargo Capacity
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2
2-3
88
100
112
92 to 117 Consisting of Passengers & Flight Crew
443 cu ft
1,375 cu ft
1,818 cu ft
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TYPICAL AIRCRAFT SEATING PLAN: 100 Seat Business Configuration/36 in Pitch
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RADAR
Weather Radar Option # 1
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Rockwell Collins TWR-850/WXR-840 Weather Radar
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HEAD UP DISPLAY (HUD)
Pilot & Copilot HUD Option # 1
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Honeywell Visual Guidance System Head-Up Display
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ENHANCED VISION SYSTEM
Enhanced Flight Vision System Option # 1
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Kollsman EVS II EFVS
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MULTI-FUNCTIONAL DISPLAYS (MFDs)
Primary MFDs Option # 1
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(6) x Honeywell Primus Epic 10 x 13 in MF LCDs
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FLIGHT & MISSION COMPUTERS
Air Data System Option # 1
Flight Computer Option #1
Flight Management Option # 1
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Rockwell Collins ADS-3000 Air Data System
Rockwell Collins FCC-40XX
Rockwell Collins FMS-6000 Flight Management System
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AUTOPILOT
Autopilot Option # 1
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Rockwell Collins FCS-4000 Autopilot System
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NAVIGATION SYSTEMS
GPS Option # 1
DME Option # 1
ADF Option # 1
Navigation Receiver (VOR/ILS/MKR) # 1
Radar Altimeter Option # 1
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Rockwell Collins GPS-4000S GPS Sensor
Rockwell Collins DME-4000
Rockwell Collins ADF-462 Automatic Direction Finder
Rockwell Collins NAV-4500
Rockwell Collins ALT-1000/4000 Radar Altimeter
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COMMUNICATION SYSTEMS
Communications Data Link Option # 1
VHF COMM Option # 1
HF COMM Option # 1
IFF Transponder Option # 1
TCAS Option # 1
Radio Interface Option # 1
Cockpit VADR Option # 1
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Rockwell Collins CMU-4000
Rockwell Collins VHF-4000 VHF Transciever
Rockwell Collins HF-9000 HF Transciever
Rockwell Collins TDR-94/94D Mode S Transponder
Rockwell Collins TCAS-4000
Rockwell Collins RIU-4000 Radio Interface Unit
L3 Aviation Recorders FA2200 MADRAS
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ELECTRONIC WARFARE SUITE
Aircraft Protection System Option # 1
Chaff/Flare Dispenser Option # 1
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IAI Elta Flight Guard CAPS
BAE Systems AN/ALE-47; 2 Dispensers
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DIMENSIONS
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OVERALL
Overall Span
Overall Length
Overall Height
Gross Wing Area
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148 ft 0 in
113 ft 0 in
39 ft 9 in
2,470 sq ft
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INTERNAL CABIN DIMENSIONS
Cabin Maximum Length
Cabin Passenger Seating Rows Length
Cabin Maximum Width
Cabin Maximum Height
Cabin Useable Floor Area
Cabin Volume
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74 ft 0 in
57 ft 0 in
15 ft 6 in
8 ft 0 in
895 sq ft
6,688 cu ft
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WING
Leading Edge Sweep
Span
Area
Aspect Ratio
Mean Airfoil
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-12.5º inboard, 19º outboard
148 ft 0 in
2,470 sq ft
8.87
15% Stavatti Hi-Lift Airfoil
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HORIZONTAL STABILIZER
Leading Edge Sweep
Span
Area
Aspect Ratio
Mean Airfoil
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-15° inboard, 17.2º outboard
74 ft 6 in
795.6 sq ft
6.98
NACA 0012 Modified
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VERTICAL STABILIZER
Leading Edge Sweep
Span
Area
Aspect Ratio
Mean Airfoil
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21.4°
24 ft 2 in
344 sq ft
1.68
NACA 0012 Modified
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LANDING GEAR
Wheel Base
Wheel Track
Nose Tires
Main Tires
Nose Tire Pressure
Main Tire Pressure
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42 ft 1 in
48 ft 6 in
(2) x Type VII 39 x 13, 16 ply
(8) x Type VII 40 x 14, 24 ply
115 psi
170 psi
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WEIGHTS
Dry Empty Weight
Aircraft Operating Weight
Standard Internal Fuel (JP-8):
Maximum Payload (Passengers & Cargo)
Maximum Take-Off Weight (MTOW)
Maximum Landing Weight (MLW)
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105,121 lbs
107,641 lbs
30,902 lbs
38,530 lbs
176,651 lbs
176,651 lbs
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PERFORMANCE & HANDLING
Performance estimates are based upon a standard SM-74 aircraft at CTOW or MTOW as specified. MTOW configuration is representative of a Maximum Payload of 38,530 lbs including Passengers & Baggage under ISA, standard day conditions. Takeoff and landing field lengths are based on level, hard surface runways with zero wind.
Max Level Speed @ SL
Max Level Speed @ FL 150
Max Level Speed @ FL 250
Economy Cruise Speed @ FL 150
Best Loiter Speed @ FL 50
Stall Speed Flapped @ SL-MTOW
Approach Speed Flapped @ SL-MTOW
Stall Speed Clean @ SL-MTOW
Max Climb Rate @ SL-MTOW
Service Ceiling Exceeds
Maximum Endurance, Standard Internal Fuel
Maximum Cruise Speed Range @ FL 15
Econo Cruise Speed Range @ FL 15
Takeoff Distance-SL-MTOW
Landing Distance-SL-MTOW
Maximum Wing Loading (lbs/sq ft)
Maximum Power Loading (lbs/SHP)
Design Load Factors-MTOW
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395 KTAS
405 KTAS
395 KTAS
345 KTAS
200 KTAS
80 KTAS
95 KTAS
130 KTAS
3,900 ft/min
36,000 ft
7.1 Hours
1,350 nm
2,035 nm
1,000 ft
1,100 ft
71.52
6.09
+4.5/-2.0
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