Limits and number Flashcards
Normal inlet temperature with engine anti-icing on
68-88°C
MGB normal oil temp
40-120°C
ACC GB OIL PRESS light
7±1 PSI
NGB OIL HOT light
121±5.5°C
Overspeed Switch Test activates at what?
Activates overspeed test circuit at 95±2% Nf
Brake limits
Utility System Unpressurized: Design Gross Weight on 10° Slope
Utility System Pressurized: @ Design Gross Weight on 20 degree slope
How many thermocouples do we have?
14
Dual point automatic release
200±50 pounds
Maximum taxi speed
40 knots
Underfrequency Protection
91-96% Nr with a time delay of 2-5 seconds
To what Ng does the overspeed solenoid reduce to?
75% Ng
When does the Utility Priority Valve close? Why?
Below 2,000 psi. This is in order to preserve pressure to the 2 STG T/R and AFCS Servo 2.
Rearward Flight Limit
30 KIAS
Supervisory panel limits
115±3 V, 400±20 Hz
Ng Ground Idle, Normal Range, Transient Overspeed
Ground Idle: 60.5-70%
Normal:60.5-101.1
Overspeed: 102.9 for 30 seconds
Heater Fuel consumption and tank
54 pounds per hour from No. 2 Left
Quad Tach Maximum Indication
(Nf/Nr): 130%
NATOPS Minimum Landing Fuel
1,200 pounds
Number of Compressor Stages
14 Stages
T5 416: Continuous/30 minutes/10 minutes
713/753/773°C
Normal Fuselage Clearance to level ground
18”
Individual capacity of each dual point hook
21,600 pounds
NATOPS Recommended Slow Cruise Speed
115 KIAS
External Loads Airspeed Limit
150 KIAS
AFCS hydraulic pressure (and source)
First Stage AFCS Servos: 1,000 psi from 2nd Stage Hydraulics
Second Stage AFCS Servos: 1,000psi from Utility Hydraulic
AOB Limitation for GW less than ___k and DA less than or equal to ___’ and A/S less than or equal to ___ KIAS
56k, 3k’, 130 KIAS: 60°
2 tanks combined maximum capacity
377 gallons (2563 pounds)
BEARING TEMP LIMIT light
> 350°F on the Swashplate
Main Rotor Clearance Droop Stops In
10’ 8”
NGB oil capacity
5.5 quarts
Fuel flow lights
2±1 gallons per minute
Engine start replenishment pressure
80 psi increments via the flapper valve (up to 4k)
Single point capacity
36,000 pounds
ENG OIL PRESS HIGH
100±3 PSI
Length of dual points cargo pendants
7.5’
AFCS Servo 2 to Servo 1 Automatic Transfer Pressure
1,500 psi (and provided 2nd Stage Hydraulics are above 2,000 psi)
Utility hoist cable break strength
3,700 pounds
Main Gearbox reduces ___ rpm to ___ rpm (___% Nr) for the rotor head, and ___ for the intermediate gearbox.
6,323 rpm to 179 rpm (100% Nr), and 4,271 rpm for the IGB.
Supervisory Panel Undervoltage Protection
Activates when less than 100 volts for more than 6 seconds
How many igniters are in the combustion section?
2
How many fault codes can a computer store, and do they remain after power is removed?
5: Stored in nonvolatile memory, and will remain with power removed
MGB oil capacity
22 gallons
The Emergency Landing Gear Handle will discharge ___ pressurized to ___ to lower the gear. The Gauge will read ___ on preflight.
Air, 3,000 psi, 2,500-3,000 psi.
APP low oil pressure
≤6±1 PSI
Normal Ng, T5, Wf and Engine Oil Temp at Ground Idle
Ng = 60.5-70%,T5 = 450-550 C,Wf = 200-350 PPH, Engine Oil = 45-55 C
Engine dwell oil
1.45 gallons
UTILITY PRESS light
<1,500 psi
Auxiliary Fuel Tank capacity
650 gallons each (4420 pounds)
The Second Stage Hydraulic Pump operates at how many gpm?
22.4 gpm
Intermediate gearbox reduction
4,271 to 2,628 rpm
At what airspeed is turn coordination available?
Above 60 knots
Tail Rotor gearbox reduction
2,628 to 699 rpm
ENG OIL HIGH PRESS caution light is permissable for how long on start?
Less than 3 minutes
ENGINE OVERTORQUE light
> 137% total torque
Engine oil temperature transient range and time limit
136-145°C for 10 minutes
Damper pin preflight acceptable range
-0.5 to 1.5”
High Pressure Rotor Brake System Pressure
975±25 PSI
Design gross weight
46,500 pounds
Cyclic Trim Button Numbers below 60 KIAS
2° per second in pitch, 4° per second in roll.
Critical rollover angle
13°
Distance between dual point fuselage hooks
10’
Single point automatic release
525±225 pounds
Empty Weight
32,226 pounds
Sponson fuel dump rate
75 gpm (per sponson). 500ppm (1000 pounds per minute from both)
Pitch Attitude Hold
±1 below 60 knots
Engine Oil Expansion Space
1.15 gallons
___ pressurized to ___ psi is used to dispense agent from the fire bottles into the ___ and ___ of the engines.
Nitrogen, 600 psi, compressor and power turbine sections.
The High Pressure Pump and Filter delivers fuel to the Fuel Control at what psi?
800-900 psi
Cabin compartment static load limit
300 pounds per square foot
Heater overheat switch
Activates at ≥204°C in the plenum chamber, securing the heater
Initial pressure of fuel flow to 12 fuel nozzles
160 PSI
Forward Flight (Vne)
150 KIAS
Amount (pounds) of product in fire bottles
4.5 pounds
IGB INTMD GB chip detector oil temp
140±5.5°C
Engine normal oil temp
40-135°C
Slope landings differ little from normal landings up to what slope angle?
4°
SPPC table is most accurate at _____’ PA, ____ KIAS, ____%Nr.
1000, 90, 100
Number of Crash Attenuating Troop Seats
32
Tail Rotor Cant and Advantage
20° to left (2% increase in lift)
Improves hover capability and permits the Cg to be moved further aft
Low Pressure Rotor Brake can be engaged below what Nr?
25%
ENG OIL QTY LOW
Associated Tank has been depleted by 25% of its fully serviced capacity.
BEARING VIB LIMIT light
2.5 Gs on the Swashplate or 4 Gs on TRDS
Utility hoist cable length
245’
Fire detectors per engine
3
Engine usable oil
1.32 gallons
Cargo winch cable length
80’
T5 416A: Continuous/30 minutes/10 minutes
713/753/792°C
NGB normal oil temp
40-130°C
LDG GEAR UP light and ICS Pulse Tone activates when?
- Gear is up
- Airspeed is below 60KIAS
- RADALT is below 150’ (unless RADALT is off, then anytime below 60 KIAS)
T64-GE-419 SHP and Contingency Power
4,750 SHP (Contingency of 5,000 for 2 minutes)
EAPS doors automatically close/open at what airspeed?
78-88 KIAS
NO.1 ENG ANTI-ICE and NO.3 ENG ANTI-ICE lights (and where)
Duct Temp ≤35°C
APP maximum exhaust gas temp
621°C
Hydraulic Refill reservoir capacity
4 quarts
Number of MGB chip detectors
5
APP Accumulator charge (plus source and preflight reading) , During preflight:
3,000 PSI from Utility System, 50-80°F: 2,800-3,100 psi, 80-115°F: 3,100-3,200 psi
AFCS Servo 1 to Servo 2 Automatic Transfer Pressure
<650 PSI (and provided Utility Hydraulics are above 1,500 psi)
Translational lift becomes effective at what airspeed?
15 knots
Emergency extension of the gear may take from ___ to ___ during forward flight with a load on the nose gear door.
1-2 Minutes
The First Stage Hydraulic Pump operates at how many gpm?
24 gpm
Low Pressure Rotor Brake System Pressure
350±35 PSI
Acceleration limit if ___ or more or ___’ or more
56k and 3,000’ DA or more: .5-1.5 Gs
Landing Gear Actuation Airspeed Limit
140 KIAS
RADALT acceptable test range
100±15’
Torque:
Normal/Continuous: 100%
Precautionary Range:100-137
Climb Powers: 110% for < 60k
121% for >60k
Military Power: 121% for 30 min
10 Minute Transient: 137%
1 Minute Transient: 160%
Fire bottle automatic discharge force
10 Gs
Q gained with EAPS removed
1%
Number of AGB chip detectors
2
External power receptacle rating (VAC, Hz)
115/200 VAC, 400 Hz
EAPS Scavenge blower operates whenever what two conditions are met?
(1) EAPS door closed
(2) Main Transmission oil pressure is above 14psi
Maximum Range Autorotational Airspeed
100-110 knots
TGB OIL PRESS
7±1 psi
AGB oil capacity
8 quarts
