Airspeed Limitations
VMO — Max Operating Speed260 KIAS / 259 KCAS
MMO — Max MachM 0.52
VA — Maneuvering Speed (12,500 lb)181 KIAS
VFE — Flaps Approach (40%)200 KIAS
VFE — Flaps Full Down (100%)157 KIAS
VLO — Gear Extension / Retraction181 KIAS
VLE — Max Gear Extended181 KIAS
VMCA — Air Min Control Speed86 KIAS
Do not make full or abrupt control movements above VA. Do not lift power levers in flight.
Powerplant Limitations — PT6A-42
Engines2 × Pratt & Whitney PT6A-42
Max Torque (T/O & Max Cont)2,230 ft-lbs
Torque limit applies 1,600–2,000 prop RPM. Below 1,600 RPM, torque limited to 1,100 ft-lbs.
ITT — Takeoff & Max Continuous800°C
ITT — Transient (max 5 sec)850°C
Torque — Transient (max 5 sec)2,750 ft-lbs
ITT — Starting (max)1,000°C
N1 — Max Gas Generator RPM38,100 RPM (101.5%)
Max SHP per engine850 SHP
Oil Pressure (below 21,000 ft)100–135 psi
Oil Pressure (21,000 ft and above)85–135 psi
Oil Temperature−40 to +99°C (+104 max 10 min)
Propeller RPM — Max2,000 RPM
Propeller RPM — Normal Cruise1,700 RPM
| CONDITION | TORQUE (ft-lb) | ITT (°C) | N1 RPM (%) | PROP RPM |
|---|
| Starting | — | 1,000 max | — | — |
| Low Idle | — | 750 | 22,875 | 1,180 |
| High Idle | — | — | ~70% | — |
| Takeoff / Max Cont | 2,230 | 800 | 38,100 (101.5%) | 2,000 |
| Max Cruise | 2,230 | 800 | 38,100 (101.5%) | 2,000 |
| Cruise Climb / Normal Cruise | 2,230 | 770 | 38,100 (101.5%) | 2,000 |
| Max Reverse | — | 750 | 88% | 1,900 |
| Transient (5 sec max) | 2,750 | 850 | 38,500 (102.6%) | 2,200 |
Starter Limits40s ON / 60s OFF / 40s ON / 60s OFF / 40s ON — then 30 min OFF
Weight Limitations
Maximum Takeoff Weight12,500 lb
Maximum Ramp Weight12,590 lb
Maximum Landing Weight12,500 lb
Maximum Zero Fuel Weight10,430 lb
Minimum Flight Crew1 Pilot
Maximum Occupancy (incl. crew)15
Altitude & Pressure Limits
Max Operating Pressure Altitude35,000 ft
Max Altitude — Yaw Damp Inoperative17,000 ft
Max Cabin Pressure Differential6.6 psi
Max Outside Air Temp (SL–25,000 ft)ISA + 37°C
Max Outside Air Temp (above 25,000 ft)ISA + 31°C
Fuel Limitations
Approved — CommercialJet A, Jet A-1, Jet B
Approved — MilitaryJP-4, JP-5, JP-8
Emergency (AvGas)100LL, 100/130, 115/145, 80
Max Fuel Imbalance1,000 lb
Emergency AvGas: Limited to 150 hrs between overhauls. Max FL 200 if standby pump inoperative. Avgas prohibited above FL 310.
Icing Limitations
Min Ambient Temp for Deice Boots−40°C
Min Airspeed — Sustained Icing140 KIAS
Ice Vanes EXTEND — at or below+5°C (visible moisture)
Ice Vanes RETRACT — above+15°C all ops
⚠️ WARNINGSustained flight in icing conditions with flaps extended is PROHIBITED except for approach and landing.
Systems & Equipment Limits
Landing Gear Cycle Limit6 cycles, then 15 min cool-down
Min interval per cycle5 minutes
Aft-facing seats: seatback must be fully raised for takeoff and landing.