Study Guides Flashcards
What is the maximum Takeoff & Go Around TGT?
Time Limit?
800° C
5 mins, 10 mins single engine
What is the maximum Ground Start TGT?
Airstart?
700° C
780° C
What is the maximum Reverse TGT?
695° C
What is the length, height, width?
L = 88’ 4”
H = 24’ 5 1/8”
W = 77’ 10”
What is the minimum taxi width for a 180° turn?
54’ 2”
When is the use of autothrottles prohibited?
With wing anti-ice during Takeoff and Go-Around.
Also, must be disengaged at 50 ft AGL during approach.
Maximum tailwind for takeoff?
10 kts
What is the maximum airport altitude?
15,000’
Minimum air pressure for engine start?
Ok to drop during start?
25 psi
Yes, as low as 20 psi.
Maximum APU alternator load for starts?
35% (30% for high altitude/ambient temps.)
What do you do for a hot start?
- HP Fuel Cock - SHUT
- Affected Engine, continue to motor for 30 secs
- Start Master - OFF
Where do you find Engine Drift-Down speeds?
QRH, EC (10/11).
Can the airplane be flown with a winglet removed?
Yes (see CDL)
Where can the CDL be found?
Appendix B of the AFM or AOM.
Can the airplane be dispatched with any Boost Pumps inop? If so, how many and under what circumstances?
One, as long as the Crossflow and Intertank Valves are operative. (see MEL)
How many converter fans can be inoperative?
One
Can you dispatch with a failed DU?
Yes, only in #5 position.
What position are the landing gear in if the the red light in the Landing Gear Handle remains illuminated after gear retraction and all three green lights are out?
Gear position is unknown. NOT down and locked
Green lights = downlocks engaged
Red light = door open
What alternate means do you have of extending the landing gear?
How many times?
Nitrogen pressure.
(Forces uplocks open, Gear freefalls down.)
One
Where is the pressure gauge for the Emergency Extension Nitrogen Bottle?
Nose Landing Gear Well.
What is the Emergency Extension Nitrogen Bottle pressure?
3,000 psi @ 70°F
After takeoff at positive rate the Landing Gear Handle moves up but one or more of the gear does not go up - what is the likely cause?
Pin was not removed.
After takeoff at positive rate the Landing Gear Handle is not able to be moved up - what is the likely cause?
What must be done in this case?
Nutcracker in ground mode.
Unarm the ground spoilers.
What are the takeoff recommended actions for snow, slush, or wet conditions?
Delay gear retraction, cycle at a safe altitude 1 or 2 times.
What and why is the speed for emergency extension of the landing gear?
175 KCAS
There is potentially no hydraulic fluid in the actuators to slow/damp the extension force.
With a fully charged accumulator, how many Parking/Emergency Brake applications are available?
5-6
What pressure should the Accumulator be charged to?
3,000 psi @ 70°F
Anti-skid braking is available from which hydraulic systems?
Combined, Utility, and AUX
What are nosewheel deflection values?
- Pedals
- Tiller
- Tiller+Pedals
- Pedals: 7°±1
- Tiller: 78°±2
- Tiller+Pedals: 80°±2
What action is required for an amber ENG FIRE LOOP ALERT CAS msg?
Disable the faulty loop
What engine vibration indications (EVM) are considered normal?
EVM should not exceed 0.6 unless in icing conditions
What actions should be taken if EVM exceeds 0.6?
Retard until EVM returns to normal level.
EVM indications alone should not be used as criteria for Engine Shutdown. If the vibration is accompanied by other failure indications…
Affected Engine - Shutdown.
What happens if a Thrust Reverser deploys in flight?
Crew actions?
Affected Power Lever retards automatically (“snatchback”)
Reverse Levers - Verify Down
Affected Engine Power Lever - Idle
Airspeed - do NOT exceed 200 KCAS
T/REV Emergency Stow Switch - PRESS
Pulling the Engine Fire Handle does what?
“A FIRE”
- Arms the Halon Bottle (Arms the squib)
- Fuel is shut OFF at the Hopper
- HydraulIc valve is shut OFF at the reservoir
- Reverser is disabled.
- Electrical at the Alternator is disabled.
What is the maximum fuel load (gals) and weight? Can it be exceeded?
4,370 gallons
29,500 lbs
Can be exceeded (fuel density changes); allowed if ramp/takeoff weights are not.
Why are there different fuel imbalance limits.
More fuel = further out on wings; longer moment.
How can fuel be balanced?
Crossflow or Intertank Valves
What is the primary purpose of the Intertank Valve?
Pressure defueling and cold fuel temperature fuel balancing.
Where does the APU normally receive fuel from?
Left Hopper
AUX System Components
Grumman Aircraft Flew Before Gulfstream Did
- Ground Spoiler System
- Accumulator
- Flaps
- Brakes (Normal & Park/Emer)
- Landing Gear
- Doors (Main Cabin, Cargo, and Landing Gear)
Requirements for UTIL Pump Activation
- Combined Pressure drops below 800 psi
- at least 1 gal of fluid in Combined reservoir
- Flight system has at least 2,000 psi
- Flight system temp is 220°F or less
Items lost when lose Flight Hyd Sys
PRAY
- Util Pump
- Right Reverser
- Autopilot (due to YD loss)
- Yaw Damper
What causes AUX Pump to activate automatically?
CUTEN
- Combined and Utility Hys pressure <1,500 psi, and,
- Toe Brake Pedal depresses >10°, and,
- Either Nutcracker in the Ground Mode
What causes automatic shutdown of APU?
- APU Fire
- High EGT
- High Oil Temp
- Low Oil Px
- Overcurrent in APU ECU
- APU Overspeed - 110%
What is the minimum voltage to charge the Main Batteries with Ext AC power? Why?
4 V. There is a DC powered solenoid to connect Ext AC to the Electrical system.
(If Battery Override Switch in Ext AC receptacle, can override this)
What must happen for the red OIL PRESS LOW light to illuminate after turning the APU Master Switch ON?
The Fuel Control Valve and Air Inlet Door must open.
Items lost when you lose COMB/UTIL Hyd System
COMB: UNSAT
- Util Pump
- Nosewheel Steering
- Stall Barrier
- ABEX
- Thrust Reverser
If fluid, UTIL Pump Runs, only lose
- ABEX
- Thrust Reverser
What do the Main Batteries serve
EAA is in OshKosh
- Ess DC bus power source
- APU starting
- AUX Hyd Pump (ON)
- Oil Servicer
What turns the E-BATTs on?
GEM
- 2.5 Gs or greater
- ESS DC Bus power loss (<20V) when ARMed
- Manually selected ON
What makes Main Battery Chargers go into “TR Mode” (aka BATT-on-Bus)?
How do you know?
EAA
- Ess DC bus is powered by batteries
- APU starting
- AUX Hyd Pump ON
- Battery switch lights “ON” are illuminated
What 4 things open the Isolation Valve
- ISOLATION switch
- APU on Bleed Air Panel
- START MASTER
- CRANK MASTER
What functions does the Cabin Safety Relief Valve provide?
NPR
- Negative diff pressure relief at -0.25 psi
- Positive diff pressure relief at 9.7 ±0.1 psi
- Rate limiting: ≤3,000 fpm
The GIV can maintain Sea Level cabin px up to _____.
The GIV can maintain ________ ft cabin alt up to FL450.
- 22,000 ft
- 6,550 ft
Conditions that cause the Pack Valves to close
REST
- Ram Air switch - RAM
- Engine Starting (MASTER=L, START=R)
- Switch (Pack)
- “COOL TURB HOT” CAS msg
Power Source for Pressurization System
- Auto = AC
- Manual = DC
Maximum Alt for Pax O2?
- FL250 max recommended for sustained ops
- Recommended to only use for descent to where supplemental O2 is not required as pax may become hypoxic if oxygen runs out.
Minimum temp for cockpit displays?
+50° F
Rating for Alternators
- 115 VAC
- 3 phase
- 30 kVA
Output of Converters (AC & DC)
- AC: 115 VAC, 400 Hz, 23 kVA
- DC: 28V, 250 Amps (7 kVA)
Min HP% to consider when using HMG
67%
Maximum output of the TRU
300 Amps
Rating of the E-Inverter
800 volt-amps
Max output of batteries
50 amps each, total of 100 amps
Capacity of fuel hopper tank
190 gals (~1,270 lbs)
Fuel Press Low - ___ psi
< 15 psi at the high pressure fuel pump inlet
Guaranteed minimum thrust provided by TAY engine
13,850 lbs at sea level
“SVO” light should extinguish by _____?
44.5% Hp
“OIL PRESS LOW” CAS msg illuminates at ____?
< 16 psi
Requirements to engage Autothrottle
- Armed
- Isolation Valve closed
- TOGA mode
- ≥ 1.17 EPR
Conditions that cause the Autothrottles to disengage.
- A/T disconnect switches
- A/T Arm button (off or selecting a second time)
- Selecting opposite AP/AT computer
- Manual Override
- Opening the isolation vale
- Alternate wing flap operation
- LP split >20%
- Either HP <41%
“PYLON HOT” CAS msg comes on at ______?
325° F
“BLEED PRESS HI” CAS msg comes on at _____?
75 psi
“BLEED AIR HOT” CAS msg comes on at _____?
550° F
“WING HOT” CAS msg comes on at ____ ?
> 180°
“WING WARM” blue annunciator comes on at _____?
> 100° F
What would cause a Pack valve to close?
- L/R Pack Control Switches
- Master Start/Crank switch (L)
- Starter Switch (R)
- RAM AIR Switch - ON
- “COOL TURB HOT” CAS msg (ground only)
“CABIN PRESS LOW” CAS msg comes on at ____?
9,250 ft ± 750 ft
Pax O2 drops at _______ cabin altitude?
13,000 ± 500 ft
Preflight Brake Accumulator pre-charge?
1200 psi @ 70°
O2 (exterior) gauge acceptable readings?
1,800 psi, as low as 1,500 psi @ 70°F
O2 mask requirement (part 135) & (part 91)
Part 91
- >FL350 - when one crew-member leaves station
- >FL410 - one crew-member continuously
Part 135
- >FL250 - when one crew-member leaves station
- >FL350 - one crew-member continuously
What is proper trim set to at takeoff?
- V2
Max crosswind for engine start?
- 25 kts (demonstrated)
APU can provide power up to what altitude?
- Guaranteed operation up to 35,000 ft.