Limits: AH-1Z War Wagon Flashcards
Min Temp for Battery APU Start
-25 Deg F (-32 C)
Ground power requirements for APU start
Amps: 500 (300-1,000 Amp Range)
Volts: 28 Vdc (23.9 - 29.1 Vdc Range)
APU Starter Limits
30 sec ON 60 sec OFF 30 sec ON 60 sec OFF 30 sec ON 30 min OFF
Starter Limits (Less than 61F)
Starter on: Not to exceed 2 min 1st Cycle: 60 sec OFF 2nd Cycle: 60 sec OFF 3rd Cycle: 60 sec OFF 4th Cycle: 30 min OFF
Starter Limits (61F to 126F)
Starter on: Not to exceed 2 min
1st Cycle: 60 sec OFF
2nd Cycle: 30 min OFF
Engine Wash Limits
2 min ON 5 min OFF 2 min ON 30 min OFF **starter motoring is cumulative within a 5 minute period**
Engine Abort Criteria
1) Ng fails to reach 14% within 6 sec
2) No MGT indication within 20 sec after initial indication of Ng
3) No oil pressure within 30 sec after starter is engaged.
4) MGT reaches 867 before starter disengages
5) Starter fails to disengage above 55% (+/- 3%) Ng
6) No Np indication within 30 sec after Ng reaches IDLE (67% +/-3%)
7) ROTOR BRAKE light fails to extinguish 30 sec after brake release
Max relative wind for rotor start or stop
60 kts
Main Rotor (Nr) Power ON
Minimum: 91%
Continuous: 97 - 104.9%
Maximum: 104.9%
Main Rotor (Nr) Power OFF
Minimum: 84%
Continuous: 91 - 110.9%
Maximum: 110.9%
Power Turbine Speed (Np)
Continuous: 99-101.7%
Transient (12 sec): 101.8-116.9%
Maximum: 116.9%
Avoid: 55-70%
Engine Torque (401)
Continuous: 0-62.4%
Transient (30min) : 62.4-65.7%
Maximum: 65.7%
Engine Torque (401C)
Continuous: 0-65.7%
Maximum: 65.7%
Main Rotor Gearbox Torque
Continuous: 0-104.9%
Transient (10sec): 105-110.9%
6 transient overtorques in the transient range or operation for more than 10 seconds requires an inspection
MGT (Normal)
Continuous: 400-800 C
Intermediate (30 min): 801-867 C
MGT (One Engine Inoperative)
Contingency (2 1/2 min) : 868-917 C
Transient (12 sec) : 917-964 C
Gas Generator Turbine (Ng)
Continuous: 0-102.1%
Transient (12 sec) : 102.1 - 105.1%
Maximum: 105.2%
Engine Oil Temperature
Continuous: 35-131 C
30-Minute: 132-149 C
Maximum: 150 C
Engine Oil Pressure
Minimum: 20 PSI Caution: 20-30 PSI Continuous: 30-100 PSI Maximum: 100 PSI Maximum Cold Start: 200 PSI
MRGB Oil Temperature
Caution: -50 to 0 C
Normal: 0 to 100 C
Caution: 100 to 110 C
Maximum: 110 C
MRGB Oil Pressure
Minimum: 25 PSI Caution: 25-40 PSI Normal: 40-70 PSI Caution: 70-100 PSI Maximum: 100 PSI
Intermediate Gearbox Oil Temperature
Caution: -50 to 0 C
Normal: 0-124 C
Maximum: 124 C
Intermediate Gearbox Oil Pressure
LO: Low
GO: Normal (>7 PSI)
Combining Gearbox Oil Temperature
Caution: -50 to 0 C
Normal: 0 to 100 C
Caution: 100 to 110 C
Maximum: 110 C
Combining Gearbox Oil Pressure
Minimum: 25 PSI Caution: 25-70 PSI Normal: 70 - 90 PSI Caution: 90 - 150 PSI Maximum: 150 PSI
Tail Rotor Gearbox Oil Temperature
Caution: -50 to 0 C
Normal: 0 to 100 C
Caution: 100 to 110 C
Maximum: 110 C
Tail Rotor Gearbox Oil Pressure
LO: Minimum (<10 PSI)
GO: Normal (11 - 149 PSI)
HI (Yellow): Caution Range (150-174 PSI)
HI (Red): Maximum (>175 PSI)
Hydraulics Temperature
Minimum: -7 C Caution: -7 to 10 C Normal: 10 to 110 C Caution: 110-115 C Maximum: 115 C
Hydraulics Pressure
Minimum: 2000 PSI Caution: 2001 - 2700 PSI Normal: 1700 - 3150 PSI Caution: 3150 - 3850 PSI Maximum: 3850 PSI
Hydraulics Fluid Level
Min: LOW (75 CU In)
Caution: REFL (75 - 85 CU In)
Normal: FULL (85 - 110 CU In)
Main Generator Voltage
Minimum: 18 Vdc Caution: 18 - 22 Vdc Normal: 22 - 28 Vdc Caution: 29 - 30 Vdc Maximum: 30 Vdc
Main Generator Amperage
Normal: 0 - 400 Amps
Caution: 400 - 600 Amps
Maximum: 600 Amps
Battery Limits
Minimum: 18 Vdc Caution: 18 - 22 Vdc Normal: 22 - 28 Vdc Caution: 29 - 30 Vdc Maximum: 30 Vdc
Essential and Non Essential DC Bus
Minimum: 18 Vdc Caution: 18 - 22 Vdc Normal: 22 - 28 Vdc Caution: 29 - 30 Vdc Maximum: 30 Vdc
APU Generator Voltage
Minimum: 0 - 17.9 Vdc Caution: 18 - 21.9 Vdc Normal: 22 - 28 Vdc Caution: 29.1 - 29.9 Vdc Maximum: 30 Vdc
APU Generator Amperage
Normal: 0 - 200 Amps
Caution: 200.1-299 Amps
High: 300-400 Amps
Essential and Non Essential AC Bus
Minimum: 104 Vac Caution: 104-108 Vac Normal: 108 - 118 Vac Caution: 118-125 Vac Maximum: 125 Vac
Rotor Brake Limits
1) Do not apply above 60% Nr
2) Do not apply below 25% Nr
3) Release rotor brake prior to 0% Nr
4) During rotor brake start, release brake within 25 sec after 67% Nr is attained.
5) During rotor brake start, ROTOR BRAKE light should extinguish within 30 sec after brake release.
6) Do not exceed engine idle RPM with rotor brake engaged.
Maximum sloped surface landing
6 degrees
Maximum Airspeed
Below 10,000’ DA: 200 KIAS
Above 10,000’ DA: 100 KIAS
Airspeed Limits
Autorotation: 120 KIAS
Sideward/Rearward: 45 KIAS
SCAS Failure: 100 KIAS
Roll Limitation
30 Deg AOB above 10,000’ DA
Acceleration Limits
Stick Buzzer: 2.5 g’s
Max: 3.0 Below 15,000lbs gross weight
Prohibited Manuevers
1) Aerobatic maneuvers
2) Practice Autos to a touchdown
3) Practice Auto entries within the shaded areas if the Height-Velocity Diagram
4) Dual-engine throttle chops above 120KIAS
5) Single-engine throttle chops above 60% MRGB Torque
6) Do not exceed 50% MRGB torque at airspeeds above Vh while in a dive
7) Abrupt, simultaneous collective and cyclic inputs while maneuvering.
Maximum Weights
Max Gross: 18,500 lbs
Max Jacking: 14,000 lbs
Max Towing: 18,500 lbs
Maximum Wind for blade folding
45 Kts
