MSFS 2024 · Rotary
Bell 407 Quick Reference
V-SPEEDS
| Speed | Value | Description |
|---|---|---|
| Vne (basic) | 140 KIAS | RFM 1-7, sea level to 3,000 ft HD. Decrease for ambient conditions per the airspeed limitations placards (Figure 1-3) |
| Vne (takeoff power) | 100 KIAS | At 93.5 to 100 percent torque, not to exceed placarded VNE |
| Vne (door(s) removed) | 100 KIAS | Not to exceed placarded VNE |
| Vne (autorotation) | 100 KIAS | Steady state autorotation, or placarded VNE, whichever is less |
| Vauto (min ROD) | 55 KIAS | RFM 3-3-A-2, minimum rate of descent airspeed |
| Vauto (max glide) | 80 KIAS | RFM 3-3-A-2, maximum glide distance airspeed |
| Vsideward / Vrearward | 35 KTAS | RFM 1-7, also the crosswind hover limit |
| Pedal stop engage | 55 +/- 5 KIAS | ENGAGED annunciator illuminates above this speed; extinguishes below 50 +/- 5 KIAS |
POWER SETTINGS
| Phase | Setting |
|---|---|
| Idle | 63 +/- 1 percent NG |
| Runup / Before takeoff | Throttle FLY detent, 99 to 100 percent NR/NP |
| Takeoff | Up to 5 percent torque above hover power; takeoff power 93.5 to 100 percent torque limited to 5 minutes and 100 KIAS |
| Max continuous | 93.5 percent torque, 727 degC MGT, 105 percent NG |
| Cruise | 99 to 100 percent NR/NP, torque 0 to 93.5 percent |
| Autorotation | Collective adjust to maintain 85 to 107 percent NR |
| FADEC manual mode | NR/NP maintained 95 to 100 percent |
ENGINE LIMITS
| Parameter | Value |
|---|---|
| Powerplant | Rolls-Royce 250-C47B with FADEC |
| NG continuous | 63 to 105 percent (105 percent max continuous) |
| NG transient 10 sec | 105.1 to 106 percent |
| NP minimum | 99 percent |
| NP continuous | 99 to 100 percent (100 percent max continuous) |
| NP transient 15 sec | 102.1 to 107 percent |
| NP avoid continuous | 68.4 to 87.1 percent |
| MGT continuous | 100 to 727 degC (727 degC max continuous) |
| MGT takeoff 5 min | 727 to 779 degC (779 degC max for takeoff) |
| MGT transient 12 sec | 780 to 826 degC (gauge -101/-103) or 780 to 905 degC (gauge -105 and sub) |
| MGT maximum starting | 927 degC; not above 826 degC (or 843 degC for the -105 gauge) for more than 10 sec, or 1 sec at 927 degC |
| Torque continuous | 0 to 93.5 percent (93.5 percent max continuous) |
| Torque takeoff 5 min | 93.5 to 100 percent |
| Torque transient 5 sec | 105 percent |
| Rotor RPM power on | 99 to 100 percent continuous, 100 percent max continuous |
| Rotor RPM power off | 85 percent min, 85 to 107 percent continuous, 107 percent max |
| Engine oil pressure | 50 PSI min below 79 percent NG; 90 PSI min 79 to 94 percent NG; 115 PSI min above 94 percent NG; 130 PSI max (200 PSI cold start only) |
| Engine oil temperature | 0 to 107 degC continuous, 107 degC max |
| Transmission oil pressure | 30 PSI min, 40 to 70 PSI continuous, 70 PSI max |
| Transmission oil temperature | 15 to 110 degC continuous, 110 degC max |
| Fuel pressure | 8 PSI min, 8 to 25 PSI continuous, 25 PSI max |
| Generator | 0 to 180 A continuous up to 10,000 ft Hp; 0 to 170 A above 10,000 ft Hp; 180 to 300 A for 2 min; 300 to 400 A for 5 sec |
| Starter duty cycle (battery) | 60 sec ON / 60 sec OFF x3, then 30 min OFF |
| Starter duty cycle (external) | 40 sec ON / 30 sec OFF x3, then 30 min OFF |
KEY NUMBERS
| Parameter | Value |
|---|---|
| Max internal gross weight | 5,000 lb (2,268 kg) |
| Max GW with jettisonable external load | 6,000 lb (2,722 kg) |
| Minimum gross weight for flight | 2,650 lb (1,202 kg) |
| Max operating altitude | 20,000 ft HD or 20,000 ft HP, whichever is lower |
| Max rate of climb | 2,000 ft/min |
| Ambient temperature limits | +51.7 degC (+125 degF) at sea level, less 2 degC per 1,000 ft, to -40 degC |
| Minimum flight crew | 1 pilot, right crew seat |
| Seating | Seven place, day/night VFR non-icing |
| Slope landing | 10 deg side, 10 deg nose up, 5 deg nose down |
| Rotor brake | Apply at or below 40 percent NR after shutdown; starts with brake engaged prohibited |
| Forward fuel tank | Approx 256 lb full; transfer complete at approx 185 lb total fuel |
| Cabin / baggage deck loading | 75 lb per sq ft cabin; 86 lb per sq ft baggage, 250 lb max |
| Battery endurance (gen off) | Approx 21 min for basic helicopter and one VHF COMM (35 min with optional 28 Ah battery) |
| Voltmeter (normal) | 28.5 +/- 0.5 volts |
| ENG ANTI ICE | ON in visible moisture when OAT is below 5 degC (40 degF) |