Limits Flashcards
Engine rpm 1-2
105-107 12 second transient 101-105 transient 95-101 continuous 91-95 transient Avoid 20-40 and 60-90
Main rotor power on rpmr
101-107 transient
95-101 continuous
91-95 transient
Main rotor power off rpmr
110 maximum
105-110 transient
90-105 normal
Engine NG
102-105 12 second transient
99-102 30 minute limit
0-99 continuous
Engine torque 10 second transient
Dual engine above 80 100-144 Dual engine below 80 120-144 Single engine 135-144
APU operations
30 minute - greater than 43c engine/rotor on
Continuous less than 51c engine/rotor off
30 minute cool down if APU Oil Hot caution
Backup pump operations
-52 to 32 unlimited
33-38 24min OP/72 min CD
39-52 16min OP/48 min CD
Engine starter limits
Less than 15 degrees
2 starts 3 min rest 2 starts 30 minute CD
15-52
2 starts 30 minute rest
Windshield heat test
Max 27 FAT
Slope landing limits
Nose up/left/right 15 degrees
Nose down 6 degrees
Decreased by 2 degrees for every 5kts
Max tailwind of 15kts
Landing FPM
Below 16825
540 level 360 slope
Above 16825
360 level 180 slope
Engine torque continuous
Dual below 80 0-120 Dual above 80 0-100 Single 0-135
Engine oil pressure
22-26 idle
26-100 continuous
100-120 5 minute limit
Engine oil temperature
-50 to 135 continuous
135 to 150 30 minute limit
TGT
903-949 12 seconds 878-903 2.5 contingency 851 start abort 851-878 10 minute 810-851 30 minute 0-810 continuous
Transmission oil pressure
65-130 precautionary
30-65 continuous
20-30 transient
30-35 10 degree nose up
10-15 15 degree nose up
Transmission oil temp
-50 to 105 continuous
105-140 precautionary
Vne
Vne 193
Landing/searchlight speeds
Extended 180 for both
To extend
Landing max 130
Search max 100
Gunner window speed
170 max when open
Hyd pump inop speeds
170- 1 pump
150- 2 pumps
140- 2 pumps and imc
SAS inop airspeeds
170- 1 sas
150- 2 sas
140- 2 sas and imc
Cabin door airspeeds
Doors open
Without soundproof 145kts
With 379 soundproof 100kts
One engine inop max speed
130kias
Autorotation with stab fail speed
Max 120
Roll on speed
Max 60kts Groundspeed on touchdown
Rotor start/stop and side/rearward flight speed
45kts
Maneuver/bank limits
30 degrees pitch
60 degrees bank
30 degrees per second turn
30 degrees bank when primary servo fail
Cargo hook limits
9k pounds
30 max bank
35 knots rearward flight
Rescue hoist limits
600 pounds max load
30 degrees bank
35 knots rearward
1000fpm max rate of descent
High speed yaw maneuver limitations
Above 80 knots avoid abrupt full pedal inputs to prevent excessive loading on tail rotor
Pressure refuel
Max of 300 gallons a minute at 55 psi
