Limits Flashcards
Fuel Quantity Low Caution Light
185(+/-)55, (130-240)
Engine and rotor RPM High-Low Limit Warning
Rotor RPM 329-339 (High Warning)
Rotor RPM 300-310 (Low Warning)
Engine RPM 6100-6300 (Low Warning)
Fuel Sample Settling Time
1 hour per foot of depth, tank 29inches, (2+25)
Metal Blade Rotor Limits RPM
Restrict rotor speeds to 319-324 during cruise flight
STARTER LIMITS
Max Start Time
Cooling Time
Attempts in 1 hour
40 Sex max start time
3 minute cool down between starts
3 attempts in an hour
HIT check
Difference +- 20 degrees or greater write it up
greater than 30 degrees, don’t fly, write it up.
WEIGHT LIMITATIONS
Max Gross Weight in flight, and towing
9500lbs
WEIGHT LIMITATIONS
Max Cargo hook
4000
Cargo floor max weight
100lbs per sq foot
Max speed with both doors open or closed
124
Max speed sidewards and rearwards
30knots
Max speed for one cargo door open
50 knots
PROHIBITED MANEUVERS
- +- 30 De. grees of pitch, +- 60 degrees of roll
- below .5 G’s
- don’t exceed level flight velocities in Figure 5-2
- Abupt inputs of the flight controls
Icing
prohibited with the polyurethane protection and erosion protection installed
Trace, light, moderate, and heavy
Max Crosswind and tailwind for a hover
30 knots
Max winds for starting
30 knots, max gust spread of 15 knots.
Turbulence restriction
severe or extreme turbulence is prohibited
Moderate Turbulence restriction
Moderate not recommended if reported by an aircraft above 12,500lbs
Hub Spring Aircraft Temp Limit
Remove below -20 degrees C; always fly in temps above -20 degrees
Towing restriction
Don’t tow for 25 minutes after the batter and inverter have been turned off.
If towed immediately after shutdown, leave the battery and inverter on.
Slope Limits
Cross slope or nose-up slop: 10 degrees
Nose Down, 7 degrees
Engine Oil Pressure
20 PSI Low Pressure Light
25 PSI Minimum
80 to 100 PSI Continous
100 PSI Max
Engine Oil Temp
93 degrees max below 30C
100 degrees max at & above 30 degrees FAT
Transmission oil Temperature
110 degrees C Max
110 high temp light on
Transmission Oil Pressure
30 PSI and Below: light on
40-60 PSI Continous
70 PSI MAX
Gas Producer (N1)
101.5
Rotor Tach
294-324 RPM Continous
339 RPM MAX
Engine Tach
6400 to 6600 cont
6700 Max above 15 pounds of Torque
6900 Max continuous below 15 pounds of torque
6900 Max transient (3sec) above 15 PSI torque
Exhaust Temperature
400c tp 610c Continous
610c to 625 30 minutes
625 Maximum for 30 minutes
625 to 675c, 10 seconds for starting and acceleration
675c to 760c, 5 seconds for starting and acceleration
760c Max
Load Meter Main
1.0 Max
1.0 to 1.25 transient
Standby Generator Load Meter
1.0 Max
Fuel Pressure
5 to 36 PSI continuous (1 bleed air)
8 to 25 psi continuous (2electric)
Torque Available with heater and deice on
Decrease 1.4 PSI (2%)for heater
Decrease 2.1 PSI (3%)for deice.
Decrease 3.5 for both.
Fuel burn with heater and deice on
add 14lbs/hr for heater on
add 21lbs/hr for deice
How many blades
2
