MSFS 2024 · Rotary
Bell UH-1H Huey Quick Reference
V-SPEEDS
| Speed | Value | Description |
|---|---|---|
| Vne (roof pitot) | 124 KIAS | Figure 5-1 red line, roof mounted pitot tube. Reduces with gross weight, pressure altitude and FAT per Figure 5-2/5-2.1 |
| Vne (nose pitot) | 112 KIAS | Figure 5-1 red line, nose mounted pitot tube |
| Vauto (min ROD) | 52 KIAS nose / 63 KIAS roof | Figure 9-2, metal blades. Speed for minimum rate of descent or maximum time to descend |
| Vauto (max glide) | 92 KIAS nose / 98 KIAS roof | Figure 9-2, metal blades. Speed for maximum glide distance |
| Vauto CB (min ROD) | 52 KIAS nose / 59 KIAS roof | Figure 9-2.1, composite blades |
| Vsideward / Vrearward | 30 KIAS | TM 5-11b and 5-11c |
| Vmax doors unlocked | 50 KIAS | TM 5-11d/e. Flight above 50 KIAS with cabin doors unlocked is prohibited |
POWER SETTINGS
| Phase | Setting |
|---|---|
| Engine idle | N1 68 to 72 percent (TM 8-22) |
| Runup / Before takeoff | 6,600 engine RPM (TM 8-23, 8-30) |
| Takeoff | Maximum torque available without exceeding limits, applied prior to accelerating through ETL (TM 8-33) |
| Cruise | 6,400 to 6,600 engine RPM (294 to 324 rotor RPM). With metal blades restrict to 6,500 to 6,600 RPM (319 to 324 rotor RPM) |
| Before landing | 6,600 engine RPM (TM 8-38) |
| Autorotation | Collective adjust as required to maintain rotor RPM (TM 9-3c) |
ENGINE LIMITS
| Parameter | Value |
|---|---|
| EGT continuous | 400 to 610 degC |
| EGT 30 minute limit | 610 to 625 degC (625 degC max) |
| EGT start/accel 10 sec | 625 to 675 degC |
| EGT start/accel 5 sec | 675 to 760 degC |
| EGT maximum | 760 degC |
| N1 (gas producer) max | 101.5 percent |
| Rotor RPM continuous | 294 to 324 RPM (319 to 324 cruise, metal blades) |
| Rotor RPM maximum | 339 RPM |
| N2 continuous | 6,400 to 6,600 RPM (6,500 to 6,600 cruise, metal blades) |
| N2 transient | 6,000 to 6,400 RPM |
| N2 max continuous | 6,700 RPM above 15 PSI torque; 6,900 RPM at 15 PSI torque or less |
| N2 maximum | 6,900 RPM |
| Torque | Per individual engine Data Plate Torque - see Torque Available chart, TM Chapter 7 |
| Engine oil pressure | 25 PSI min at idle; 80 to 100 PSI continuous; 100 PSI max |
| Engine oil temp max | 93 degC below 30 degC FAT; 100 degC at 30 degC FAT and above |
| Transmission oil pressure | 30 PSI min; 40 to 60 PSI continuous; 70 PSI max |
| Transmission oil temp max | 110 degC |
| Fuel pressure continuous | 5 to 35 PSI |
| Starter duty cycle | 40 sec max energize, 3 min cooling between attempts, 3 attempts per hour |
KEY NUMBERS
| Parameter | Value |
|---|---|
| Max gross weight | 9,500 lb |
| Max gross weight for towing | 9,500 lb |
| Cargo hook max | 4,000 lb |
| Cargo floor loading max | 100 lb per square foot |
| Minimum crew | 1 pilot, right seat |
| Auxiliary fuel | Up to 300 US gal additional (aux kit, TM 2-27) |
| Max crosswind / tailwind for hover | 30 kt |
| Wind limit for starting | 30 kt, or 15 kt gust spread |
| Slope landing | 10 deg cross or nose-up, 7 deg nose-down |
| Maneuver limits | +/-30 deg pitch, +/-60 deg roll; not below +0.5 G |
| Height-velocity diagram | Figure 9-3 at 324 rotor RPM, valid to 9,500 lb |
| Electrical - AC | 112 to 118 volts |
| Electrical - DC | 27 V at 26 degC and above; 28 V from 0 to 26 degC; 28.5 V below 0 degC |