Limits Flashcards
TGT Limits
0-810 : Continuous
810-851 : 30 Minutes
851-878 : 10 Minutes
878-903 : 2.5 Minutes
903-949 : 12 Seconds
949 : Max
Np Limits
<96% : Avoid
96-105% : Continuous
105-117% : 20 Seconds
117-120% : 12 Seconds
120% : Max
Dual Engine TRQ < 80 KIAS
0-120% : Continuous
120-144% : 10 Seconds
144% : Max
Dual Engine TRQ > 80 KIAS
0-106% : Continuous
106-127% : 10 Seconds
127% : Max
Note: Dual engine TRQs apply only when both engines above 65%
Single Engine TRQ
0-135% : Continuous
135-144% : 10 Seconds
144% : Max
Ng Limits
0-102.2% : Continuous
102.2-106% : 2.5 Minutes
106-107% : 12 Seconds
107% : Max
XMSN TEMP Limits
-50 - 105 : Continuous
105 - 120 : Precautionary
120 : Max
XMSN Pressure Limits
20 psi : Min
20-30 psi : Idle/Transient
30-65 psi : Continuous
(45-60 psi : Level Flight)
65-130 psi : Precautionary
130 psi : Max
Engine TEMP Limits
-50 - 135 : Continuous
135-150 : 30 Minutes
150 : Max
Engine Pressure Limits
22 psi : Minimum
22-26 psi : Precautionary
26-100 psi : Continuous
100-120 psi : Precautionary
120 psi : Max
Note: Normal Idle range is 22 - 55 psi
Engine Starter <16 C
4 Cycles:
- 1st three cycles off 60 seconds
- 4th cycle off for 30 minutes
Engine Starter 16-52 C
2 Cycles:
- 1st cycle off for 60 seconds
- 2nd cycle off for 30 minutes
Engine Motor (Ignition OFF)
2 Cycles:
- 1st cycle ON 2 Minutes OFF 5 Minutes
- 2 cycle ON 2 Minutes OFF 30 Minutes
Minimum Planned Fuel on Landing
- 225 pounds per tank (450 pounds total)
(~20 minutes of fuel)
> 300 pounds per tank maintain balanced flight > 30 AOB
APU Uses
- Not intended for routine in-flight use and shall be limited to essential operations
- Ex: EPs, single engine training, practice autos, ECS during extreme temp operations
Airspeed Limits (9)
- Vne : 180 KIAS
- Gunner windows opening/closing : 170 KIAS
- SAS/Boost Off : 140 KIAS
- Landing Light in Transition : 130 KIAS
- SAS 1/SAS 2 INOP in IMC : 125 KIAS
- Either PRI SERVO PRESS Cx : 125 KIAS
- Cabin Door Open : 120 KIAS
- AUTO / Cabin Doors Opening/Closing / Searchlight in Transition : 100 KIAS
- Side/Rearward Flight: 45 KIAS (35 KIAS w/ EXT LOAD)
Rate of Descent for Rescue Hoist Loads
1000 FPM
Hover Limits (2)
- Prolonged rearward flight and downwind hover should be avoided to prevent of fumes in helo and heat damage to open cabin door windows
- Hover turns >30 degrees per second
AOB Limits (4)
- Normal : 45
- Ops above 10k DA / Either PRI SERVO PRESS Cx / SAS/BOOST OFF : 30
Landing Limits (6)
- Max ROD level terrain : 540 fpm
- Max ROD sloped terrain : 360 fpm
- TD / TO speed shall not exceed 60 KGS tailwheel locked / 20 KGS unlocked
- Max Braking Speed: 35 KGS
- Slope Landing: 9 up / 12 cross / 6 down
- Downwind landings should be avoided
Windows
Shall not be removed/installed during flight except for actual emergency
Max Internal Load Weight Limit
in cabin aft of cockpit : 5500 pounds
Flight into forecasted or known trace or light icing…
shall have all installed anti-ice/de-ice equipment operational prior to flight
Helos not equipped with anti-ice/de-ice…
are prohibited from flight into forecast or known icing conditions
