Bell 430 Limitations Flashcards
Bell 430, Study
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WHAT IS THE
MINIMUM
PERMISSIBLE WEIGHT FOR FLIGHT?
5400 lbs
WHAT IS THE
MAXIMUM WEIGHT?
(Takeoff, Landing, IGE Maneuvers)
9300 lbs
REQUIRED EQUIPMENT VFR
HEADSET
FADEC VER 4.207 / 4.303 (+)
IIDS VER 29.0 (+)
REQUIRED EQUIPMENT SPIFR
- FORCE TRIM
- OPERATIONAL SCAS/AP
- VHF NAV (OR OTHER APPROVED NAV) INDEPENDANT OF PILOT HSI AND POWER SYSTEM
- INVERTER 2
- 3” SELF-POWERED SPHERICAL DISPLAY AND ATTITUDE INDICATOR
- ASI, VSI, ADI AND ALTIMETER COPILOT INSTRUMENTS
AIRSPEED
LIMITATIONS
- 150 Knots - Max
- 120 Knots - When Takeoff Loading Is In The Crosshatched Area
- 120 KNots - When Ops Above Max Cont Mast Torque (95%)
- 100 Knots - VNE Single Eng
- 65 Knots - VNE Max with NR/NP between 101 and 105%
- 80 Knots - VNE Autorotation (All altitudes)
- 65 Knots - VYI Min Climb IFR
- 50 Knots - VMINI Min for IFR Flight
- 35 Knots - Sideward / Rearward Flight
- 100 Knots - VNE With Right Passenger Door Removed
(See placard for Airspeed Adjustments Alt / Temp)
ALTITUDE
LIMITATIONS
20,000 feet Hp VFR
15,000 Feet Hp IFR
14,000 Feet Hd for Takeoff / Landing/ IGE Maneuvers
PROHIBITED MANEUVERS
- Aerobatic maneuvers
- Autorotation to the ground for training
IFR CLIMB AND APPROACH LIMITATIONS
Max IFR Climb Rate = 1000’ Per Min
Max IFR Precision Approach slope = 4°
SLOPE
LIMITATIONS
- 10° UP
- 3° DOWN
- 10° SIDE TO SIDE
TEMPERATURE
LIMITATIONS
- -40°c Min at all altitudes
- -40°c For start when Bat warm or GPU
- -30°c For start when Heli and Bat cold soaked
- 51.7°c Max at sea level - 2°c per 1000’ Hp Max
Below -10c lubrication of tail rotor feathering bearings is required prior to the first start of the day and after 6 hours of flight. this will be recorded in the helicopter log book
WHEN MUST
ENGINE ANTI ICE BE ADDED?
Below 5°c when operating in visible moisture.
BATTERY TEMP LIMITS
54.5°C
Batt Temp Warning on IICS
Batt shall not be used for start after illumination of Batt Temp Warning message on IICS. Batt must be removed and serviced.
GENERATOR ELECTRICAL
CURRENT LIMITATION
180 Amps = Max < 5000’ Hp
150 Amps = Max > 5000’ Hp
STARTER TIMES LIMITATIONS?
BAT START - 60 SECONDS X 3 WITH 60 SECONDS IN BETWEEN, THEN A 30 MIN BREAK
EPU START - 40 SECONDS X 3 WITH 30 SECONDS IN BETWEEN, THEN A 30 MINUTE BREAK
ENGINE OPERATION LIMITS
Rolls-Royce 250-C40B
Operations in the 30 sec, 2 min, and 30 min OEI range is for emergency use only.
GAS PRODUCER (Ng=N1)
LIMITATIONS
Continuous - 61 to 105%
MAX cont - 105%
MAX Transient - 105.9% 10 seconds
POWER TURBINE (Np=N2)
LIMITATIONS
- Avoid cont engine ops between 70 - 80% NP with engine torque (Q) between 36 - 57%
- AVOID steady state ops - 71 - 91%
- Min transient (OEI Ops) - 90.9%
- Min Cont - 99.1%
- Continuous Ops - 99.1 to 100.9%
- Max Cont - 100.9
- Conditional Operating range during TO and LND, Max - 105.5
MEASURED GAS TEMP (MGT)
LIMITATIONS
TWIN ENGINE
- 779°c - Max Training
TWIN ENGINE OPERATIONS
- 927°c - MAX for start, (Not over 843°c for more than 10 sec, only 1 sec at 927°c)
- 0-726.8°c - Cont Operations
- 726.8°c - MAX Cont
- 729.9°c to 779.4°c - Takeoff (5 Min Max.)
- 779.4°c - MAX Take Off
- 905.5°c - MAX Transient 12 Seconds
MEASURED GAS TEMP (MGT)
LIMITATIONS ONE ENGINE INOPERATIVE (OEI)
OEI MGT limits are authorized during actual engine faliure only. Use of 30 sec OEI range requires mx beforer next flight. MAX OEI MGT for training is 779°c
ONE ENGINE INOPERATIVE (OEI)
- 0-779.4°c - Cont Operations
- 779.4°c - MAX Cont
- 779.5 to 797.8°c - 30 minute OEI range
- 797.9 to 827.2°c - 2 minute OEI range
- 827.3 to 871.1°c - 30 second OEI range
- 871.1°c - MAX OEI
ENGINE TORQUE
LIMITATIONS
Avoid continuous engine operation between 70 and 80% Np with Engine Torque between 36 and 57%
Normally, main rotor torque limit willl be reached prior to engine maximum continuous torque. OEI torque limits are authorized for use only during actual engine failure.
ENGINE TORQUE
LIMITATIONS OEI AND TRAINING
Mast Torque (MQ) is the primary torque indication.
The following limits only apply in case of total loss of mast torque presentation.
- Max Cont OEI: 80.1% per engine / 130% combined
- Takeoff (5 min max) : 80.2 to 92.8% Per eng / 130% combined
OEI
- Max Cont OEI: 92.8%
- 2 min OEI range : 92.9 to 105.3%
- 30 sec OEI range: 105.4 to 109.6%
- MAX OEI: 109.6%
- Max transient 30 sec OEI torque limiter: 114%
TRAINING
- Max Cont single eng torque: 86%
NOTE: During OEI training, avoid use of OEI torque above 80% to prevent exceeding 86% during maneuvers
ENGINE
OIL PRESSURE
NOTE: When the 130 PSI limit is exceeded during a cold start, operate engine at idle until normal oil pressure limits are attained.
- 51 to 90 PSI - Operation below 78.4% Gas Producer (Ng) RPM
- 91 to 115 PSI - Operation below 94.1% Ng RPM
- 116 to 130 PSI - Cont Operation
- 130 PSI - MAX
- 200 PSI - Max cold start
ENGINE OIL
TEMPERATURE
LIMITATIONS
- 1 to 107°c - Cont Operations
- 107°c - MAX
TRANSMISSION OIL PRESSURE LIMITATIONS
NOTE: when continuous operating limit (70 PSI) is exceeded during a cold start, operate at idle until normal oil pressure limits are attained
- 31 to 50 PSI - Caution
- 51 to 70 PSI - Cont operation
- 70 PSI - MAX
TRANSMISSION OIL
TEMP LIMITATIONS
- 20 to 110°c - Cont operation
- 110°c - MAX
MAST TORQUE
LIMITATION
CAUTION: When operating near the max torque limit, inadvertent overtorque may occur during maneuvering - rolling turns / attitude changes. Decrease power and provide min torque margin of 5% prior to maneuvering helicopter.
INTENTIONAL USE OF MAST TORQUE ABOVE 100% IS PROHIBITED
- 94.6 - Max cont operation
- 94.7 to 100.9% - Takeoff range (5 min max)
- 100.9% - Max takeoff
- 105% - Max TRANSIENT (DO NOT EXCEED OVER 100.9% for 16 seconds)
MAIN ROTOR
LIMITATIONS
NOTE: Intentional use of rotor speed above 105.5% is prohibited.
POWER ON
- 90.9% - Min transient (OEI operations)
- 100% - Max continuous operations
- 101 to 105.5% - Conditional range during TO and Lndg
- 105.5 - MAX
- 109% - Max transient (Do not exceed 10 seconds above 105.5%)
POWER OFF
- 85.1% - Min transient
- 85.1 to 90.8% - Transient operations
- 90.9 to 105.5% - Continuous operations
- 109% - Max transient (Do not exceed 10 seconds above 105.5%)
HYDRAULIC FLUID
LIMITATION
MIL-PRF-5606
(NATO H-515)
Both Hydraulic systems will be operative prior to takeoff
HYDRAULIC PRESSURE
LIMITATION
- 1000 PSI - Min transient
- 1000 to 1299 PSI - Transient (low) operation
- 1300 to 1600 PSI - Cont operation
- 1601 to 1700 PSI - Transient (high) operation
- 1700 PSI - Max transient
HYDRAULIC TEMP
LIMITATION
88°c - MAX
FUEL
LIMITATIONS
- JET A, A1 or B
- JP4
- JP5
- JP8
Anti-Ice additive required below -5°c, NOTE: JP fuels already have anti-ice included
Start fuel temp less than 25°c, max altitude is 13k
ENGINE OIL
LIMITATIONS
- Moble Jet 254
- Aeroshell 560
- MIL-PRF-23699 (NATO - O-156) for temps above -40°c
- MIL-PRF-7808G (NATO 0-148) for temps below 0°c
TRANSMISSION and
TGB
OIL LIMITATION
DOD-PRF-85734
ROTOR BRAKE
LIMITATION
ENGINE START WITH ROTOR BRAKE ON PROHIBITED
ONLY AFTER ENGINE SHUT DOWN and ROTOR RPM DECREASE TO 50%
EMERGENCY USE - AFTER ENGINE SHUTDOWN
EFIS LIMITATION
Acces to EFIS configuration control page prohibited during flight
INTERGRATED INSTRUMENT DISPLAY SYSTEM (IIDS)
LIMITATIONS
USE OF IIDS TST or MX PAGES DURING FLIGHT PROHIBITED
(Prior to departure from any intermediate stop-over in which both engines were not shut down, access IIDS Mx page ECU-ENGINE-FAULT to check for any recorded Mx advisory indication. Detected faults require applicable Mx action prior to further flight.)
