Limitations - Bank 1 Flashcards
Between what heights are abseilers to be despatched?
100-200’
What is the maximum pressure altitude without supplementary oxygen?
10,000ft
Maximum operating pressure altitude?
20,000’
Above what height should a restart only be attempted in manual fuel control?
15,000’
What is the maximum deck loading for cargo?
3500lbs maximum100lbs per square foot.
What is the maximum loading for the deck tie downs?
1250lbs at 90 degrees to the bulkhead.500lbs in any direction parallel to the bulkhead.
The baggage compartment floor is load limited to how much weight?
400lbs, with a max load of 100lbs per square foot.
What are the C Box pressure lower, upper and normal limits?
Minimum 40 psiContinuous 40 - 60 psiMaximum 80 psi
C Box oil temperature lower, upper and normal limits?
Minimum 0cNormal 0-115cMaximum 115c
What is the battery maximum temperature?
62.7c
What is the minimum ambient temperature for a battery start?
Minus 25c, if the battery hasn’t been cold soaked.
Below what voltage should an internal or external start not be used?
22V or less
What is the continuous operating range for the generator?
0-75 Amps
What is the maximum continuous output of a single generator?
150 Amps
What are the starter engagement time limits and cooling times?
30 seconds on60 seconds off30 seconds on5 minutes off30 seconds on15 minutes off
Above what PA is deliberate Flight prohibited with a failed booster pump?
5,000’
What are the (twin) N1 limits for -continuous operation?-Max continuous?-Max for take-off?
Continuous operation 61-100.8%Max continuous 100.8%Max take off 100.8%
What are the (OEI) limits for N1-Continuous?21/2 minute range?Max OEI?
Continuous- 100.8%21/2 minutes - 100.8-102.4%Max OEI 102.4%
What are the power on Nr limits?
97-100%
What are the ITT limits for-Continuous?Max continuous?Max transient (5 seconds)?Max for start?
Continuous - 765cMax continuous - 765cMax transient - 850cMax for starting - 1090c (no longer than 2 seconds above 960c)
What is the continuous torque limit OEI?
0-63.9%
Maximum continuous torque OEI?
63.9%
30 minute OEI torque limit?
63.9-79.4%
Maximum OEI torque limit?
79.4%
What is the minimum fuel pressure?
4 psi
What is the normal range for fuel pressure?
4-35psi
What is the maximum fuel pressure?
35 psi
What is the minimum engine oil pressure?
40 psi
Engine oil pressure operating below 79% N1?
40-80psi
What is the continuous operating engine oil pressure?
80-115 psi
Maximum engine oil pressure?
115psi
Minimum engine oil temperature?
0c
Engine oil temperature (continuous operation)?
0-115c
Maximum engine oil temperature?
115c
Combining gearbox minimum pressure?
40PSI
Combining gearbox pressure below 92% n2?
40-60psi
Maximum C Box pressure?
80psi
C Box minimum oil temperature?
0c
C Box continuous oil temperature?
0-115c
Maximum c Box temperature?
115c
What is the vne at or below 10,000’ DA with an external load?
80KIAS
Maximum gross weight including external load?
11200lbs
Maximum external cargo weight?
5000lbs
What is the minimum pressure for hydraulics?
600psi
What is the pressure caution range for hydraulics?
600-900psi
What is the normal pressure for hydraulics?
900-1100psi
What is the maximum pressure for hydraulics?
1100psi
What is the maximum temperature for the hydraulics?
88c
What is the definition of icing?
Icing conditions must be assumed to exist when in cloud, or when visibility is reduced to 1000 metres or less, with a true air temperature of 0C or below.Note- irrespective of the above, icing conditions must be assumed to exist whenever there are signs of ice or slush build up on any part of the helicopter.
What is the normal angle limitations during flight for-Angle of bank?Nose up?Nose down?
AOB - 50 degreesNose up - 30 degreesNose down - 15 degrees
What is VNE at 7500lbs from sea level to 3000’ DA?What does this decrease linearly to at 11200lbs?
130KtsDecreases to 98Kias.
Max airspeed above 87.5% torque?
80Kts
What is the Vno?
VNE minus 13
Maximum speed with sliding door open or removed?
60kts
Maximum speed with hinged quarter door open?
50Kias
Maximum speed sideways and backwards?
20Kts
What is the maximum rate of yaw?
30 degrees per second
What is the minimum transit height during NVG operations?
500’ MSD, the aircraft may only be descended once the pilot has visually acquired the intended landing site.
What are the normal limits for power off Nr?
91-104.5%
Below what Nr can the rotor brake be applied?
40%
What are the Bell 212 sloping ground limits?
10 degrees lateral10 degrees nose up0 Nose down
What is the maximum sea level temperature for operation?
+52C and decrease with PA at 1.98C per 1000’
What is the minimum temperature for operation?
Minus 54C
What is the minimum transmission oil pressure?
30psi
What is the transmission idle range pressure?
30-40PSI
What is the continuous operation pressure for the transmission?
40-70psi
What is the transmission maximum pressure?
70psi
What is the normal operating temperature for the transmission?
15-110C
What is the transmission maximum temperature?
110C
What is the maximum gross weight for take off?
11200lbs
How many abseilers can be despatched at a time?
- In pairs, with a Bergen and rifle.
Max ITT on start and for how long?
1090, 2 secs above 960
Max Transient(Twin) N2 and for how long?
101.5 for 5 secs
Max Transient(Twin) ITT and for how long?
850 for 10 secs
Max Transient(Twin) N1 and for how long?
102.6 for 30 secs
What is Max continuous Twin Eng Tq?
87.5%
What is the max continuous and Max Take-Off ITT?
765 and 810
You are conducting a tail rotor handling check, what is the shortest time you can complete 360 deg spot turn?
12 secs
Rotor audio on and off.
92.6 & 94.5