Lear 45 TCAS Flashcards
Memory items (and a few extras)
Maximum time for the engine to accelerate from initiation of start to idle N1
60 Seconds
What are the speeds for flap settings 8 degrees, 20 degrees, 40 degrees?
250 kts, 200 kts, 150 kts
If no indication of ITT occurs after 10 seconds what should be done.
Abort Start
Which side is considered the master engine with reference to engine syncronization
Left
What does APR stand for?
Automatic Performance Reserve
How much additional thrust does the APR provide?
150 pounds per engine
What is the DEEC
Digital Electronic Engine Control - controls systems such as automatic start sequence, thrust management, spool speed, engine syncronization, APR.
What type of oil system is on the Lear engines?
Pressure-scavenge system
Oil must be checked within _____ hour of shut down for an accurate check.
One
What is normal oil consumption
1 quart every 25 hours
If oil filter becomes clogged what will happen?
Bypass valve opens allowing unfiltered oil into the engine and a L/R OIL FILTER message will be on the CAS
An white L/R OIL FILTER light on the CAS in flight indicates:
Impending oil filter bypass
Are the thrust reversers electrically or hydraulically deployed?
Hydraulic
What is the lowest speed that TRs can be used?
40 kts
Is the max engine thrust when using the TRs controlled automatically or manually by the pilot?
automatically
What can happen if the TRs are used below 40 kts?
Reingestion of exhaust gases or foreign objects damage.
What should be done if a L/R REV UNSAFE warning light comes on during takeoff after V1
- Rotate at Vr
- Retract gear
- Climb at V2 up to 1500 feet or obstacle clearance altitude.
- Then climb at V2 + 25 kts
- Retract Flaps
- Climb at 200kts
* Go to checklist*
What does N1 refer to?
Fan speed on the engine
What does N2 refer to?
The High Pressure (HP) rotating group including the HP compressor and turbine
What is the primary thrust indicating instrument?
N1
The accessory drive section is driven by the:
HP spool
If the DEEC fails to provide overspeed protection, an overspeed governor limits engine speed to:
105% of N2
A GPU or APU is recommended for starts although battery starts are an option. Below what temperature should battery starts be avoided?
0 degrees Celsius
What happens if there is a short in the fire detection system in flight?
A white L or R ENG FIRE FAIL light will illuminate on the CAS
The fire extinguishers and shut off valves are powered by the _____ busses.
Hot
What are the checklist items for an engine fire?
- Thrust lever - bring to idle
- Wait 15 seconds to see if fire indications go out.
- If they don’t go out bring the lever to cut off position
- Press Fire button
- Activate fire Extinguisher
* Go to Checklist*
What does FWSOV stand for?
Fire Wall Shut Off Valve
Where are the two fire extinguishing agent containers located?
On the right side in the tail cone equipment bay
What should the pressure reading be on the fire extinguisher bottles when checked on preflight?
Between 400 and 800 psi depending on the temperature.
What is purpose of the red indicator disc on the right side of the fuselage?
It will be ruptured if either one of the extinguisher bottles has been thermally discharged
What is the purpose of the yellow indicator disc on the right side of the fuselage?
It will be ruptured if either one of the extinguisher bottles was discharged by depressing the extinguisher buttons in on the fuel panel in the cockpit.
Cabin bleed air comes from the ____ bleed air.
Low Pressure
Wing and tail heat come from the _____ bleed air
High Pressure
What does the EMER PRESS button do?
It diverts LP bleed air directly into the cabin bypassing the ECU (environmental control unit)
How is the hydraulic reservoir pressurized?
HP bleed air
Emergency pressurization is normally activated at what cabin pressure altitude?
9500 ft by the cabin pressure controller
When should HI FLOW not be used?
- Above 30,000 ft
- When using wing anti ice
- On takeoff and landing
What is the engine out procedure above V1?
- Rotate at Vr
- Retract gear
- Climb to 1500 ft AGL or obstacle clearance altitude
- Accelerate to V2 + 25.
- Retract flaps
- Climb at 200 kts
“Pull up, pull up”
- Auto Pilot - disengage
- Thrusters - to TO or APR
- Nose up
- Spoilers retract
- Flaps up to approach
- Gear up
- Flaps up all the way
Emergency descent
- Masks on
- Throttles to idle
- Autopilot - disengage
- Spoilers deploy
- Descend at Vmo/Mmo
- Passenger masks deploy
- Mic/Mask button
- INPH button on
Cabin Fire
- Oxygen Masks On
- Goggles on
- Press emer depressurization button
- Pilot mic/mask button
- PIlot INPH button
How long should the engine Idle prior to cutoff?
1 minute
At what temperatures is icing possible?
10º C to -40º C and visible moisture present
If the ice detection probe senses ice it will indicate ICE DETECTED on the CAS in white letters for how long?
1 minute after which the letters will turn yellow
If icing conditions are present the WING/STAB anti ice should be turned on _________ minutes prior to setting takeoff power.
2 minutes
Nacelle anti ice defaults to the ______ position when not powered.
On position - nacelle leading edge heat fails to the on position if the ship loses electrical power.
What do the engine alternators power?
The windshield heats
How does the crew know that an alternator has failed?
The windshield on the side of the failed alternator does not work.
Where does the bleed air go after it has heated the wing leading edges?
It is then directed into the center wing area.
What does the HI FLOW button do?
It allows sufficient bleed air for heating and cooling.
What happens to the cabin air temp when emergency pressurization is selected?
LP bleed air bypasses the ECU and comes in at a very warm temperature causing the cabin to get quite warm.
If the cabin is depressurized using the EMER DEPRESS button, to what altitude will the cabin climb?
13,700 ft
The destination field elevation is normally set ______ _______.
before takeoff
What is the maximum cabin pressure at 51,000 ft?
8000ft
What is the normal hydraulic system pressure?
3000psi
How many pumps provide pressure to the hydraulic system?
2 - one on each engine
If the hydraulic system fails what can the crew do?
Press the AUX HYD switch on the landing gear panel which will provide pressure from the auxiliary hydraulic pump.
Which systems are hydraulically operated on the Lear 45?
Flaps, Spoilers, Thrust Reversers, Brakes, Emergency parking brake, landing gear
How many times can the emergency brakes be cycled based on the accumulator pressure?
6 times - the parking brake will hold for approximately 48 hours
If a main gear green down position light does not illuminate what is an alternative way to confirm it is down?
Illumination of the taxi lights on the main gear since the power for the lights is routed through the main gear down and lock switches.
How long does it take for the gear to extend or retract?
11 seconds
How long does the gear take to freefall?
No more than 1 minute
How many degrees can the nose wheel be turned?
60 degrees at slow speed which lessens in proportion to speed down to 7 degrees at lift off speed
Cabin/cockpit, smoke, fire, fumes
- Mask on
- Goggles on.
- EMER DEPRESS
- pilot and copilot mic/mask
- INPH on
Loss of both generators and main batteries
- L&R battery On one at a time
- L&R generator CB set
- Engine N2 80%
- L&R gen on one at a time
Oxygen system limits
Masks not approved above 40,000ft
Rudder boost
On for takeoff
Spoiler limits
Do not extend when flaps are extended
Thrust Reverser limits
- Do not use for backing up
- Do not use for touch and go landings
- Max reverse useable down to 40 its
- Limited to idle when in MANual mode
Emergency evacuation checklist
- Emergency parking brake on
- Thrust lever to cutoff
- Emergency lights on
- Emer Batt, L&R batteries off
Engine failure above V1 checklist
- Rotate at V1
- Gear up
- Climb at V2 to 1500 AGL or obstacle clearance altitude.
- Accelerate to V2 +25
- retract flaps
6 accelerate to 200 KIAS
Weight Limits Ramp weight Take off weight Minimum flight weight Zero fuel weight Landing weight
Ramp 21,750 Take off 21500 Min FLT weight 14000 Zero Fuel 16500 Landing 19200
Takeoff limits
Pressure altitude 14000 ft
tailwind component max 10 kts
Landing limits
Pressure altitude 14000 ft
tailwind component 10 kts
max 3/4 inch water on runway
wing fuel within 200 lbs
Airspeed limits with Primary display
Vmo
Mmo
Vmo 330 kts
Mmo .81 mach
- mach trim and autopilot inop above 23000 to 42,000 mach .76-.78. Above 42,000 - Mach .78
Auto Spoilers must be ________ for takeoff and landing
Armed
Roll or Yaw axis uncommanded motion
- Control Wheel Master - Depress and hold
2. Attitude Control - as required
Emergency braking
Pull Smoothly as it does not activate anti lock braking
Nose Wheel Steering malfunction
- Control Wheel Master (MSW)- Depress and release
2. Thrust levers - idle
“Stall”
- Lower pitch attitude to reduce angle of attack
- Thrust Levers - T/O or APR if required
- Level wings
- Accelerate out of stall
Aborted takeoff
- Brakes
2. Thrust levers - idle
Left or Right TR unsafe below V1
- Brakes
2. Thrust levers - idle
Left or Right TR unsafe above V1
- Rotate at Vr
- Gear Up
- Climb at V2 to 1500 all or obstacle clearance alt
- Then V2 + 25
- Flaps up
- Climb at 200kts (cruise climb)
“Overspeed”
- Thrust Levers to idle
- Auto pilot - disengage
- Spoiler - extend
Pitch axis uncommanded motion
- Control Wheel Master (MSW) - Depress and hold
- Attitude Control - As required
- Thrust levers - as required
Elevator Control Jam
- Attitude control - as required use pitch trim and thrust as necessary
- ELEV DISC - pull and rotate
- Determine elevator without the jam and transition flight control to that pilot.
- Do not use pitch trim bias
Immediate engine airstart
- Thrust lever - idle (ignition will automatically activate)
- STBY (fuel) - On
Engine Failure during takeoff - below V1
- Brakes
2. Thrust levers - idle
“Right or left engine fire”
- Thruster to idle
- If fire continues for more than 15 seconds - thrust lever to cutoff
- FIRE button - push
- EXTINGUISHER button - push
“Cabin Altitude”
- Crew Masks on
- Thrust levers - idle
- Auto Pilot - off
- Spoiler - extend
- Descend at Vmo or Mmo
- DEPLOY - pax oxygen masks
- Crew Mic/Mask button - Mask
- Crew INPH - INPH
External power (GPU) max amperage
1500 amps
Generator Limit output
300 amps - higher transient loads allowed for cross starts and battery charging
APU operations is ______ during gravity refueling and deicing/anti-icing.
prohibited
If the APU amber CAS message is illuminated you may not _________-.
Takeoff
If the APU automatically shuts down before takeoff what must be done?
Flight is not permitted until a visual inspection of the APU is conducted.
What is the limitation of the APU generator?
300 amps continuous output
What are pressurization limitations?
+9.9 psid to -0.5 psid
What are the main tire speed limits?
165 kts
What is the fuel imbalance limit for takeoff?
200 lbs
What are starter cooling limitations?
First attempt - wait 1 minute
Second attempt - wait 2 minutes
Third attempt - wait 30 minutes
What are the altitude limits of the autopilot/flight director?
Climb/enroute cruise - 500 ft AGL
Landing - 200 feet AGL
How many minutes wait are required between landing touchdown and takeoff thrust for next takeoff?
15 minutes
What is gear operating speed and gear extended speed?
200 kts - Vlo
260 kts - Vle
What are flap operation speed and angles?
Flaps 8º - 250 kts
Flaps 20º - 200 kts
Flaps 40º - 150 kts
What is the flap operation altitude limit?
18,000ft
What is the gear operation altitude limit?
18,000ft
Intentional stalls are prohibited above _________ ft.
18,000ft
The EICAS or MFD must be set to the _____ or _____ pg for takeoff and landing.
SUMRY or FLT
Service ceiling/max pressure altitude limit
51,000 ft
Fuel load I’mbalance in cruise can be no more than ________ lbs.
200 lbs
What is the minimum control speed on the ground?
Rudder boost on, APR on - 105 kts
Rudder boost on, APR off - 100 kts
What are the airspeed/mach limits on standby instruments?
Vmo - 325 KIAS
Mmo - .75 Mach
Power Plant ITT limitation BR engines.
APR - 1013 T/O - 991º MCT - 991º MCR - 974º START - 991º
Engine failure final approach
- Control Wheel Master (MSW) - Depress and release
- Thrust lever operative engine - increase as necessary
- Flaps - 20º
- Airspeed - Vref + 5
Aileron Control jam
- Attitude Control - Use rudder and thrust as necessary
- Roll DISC - Pull
- pilot side only has control
- do not use aileron trim
Rudder control jam
- Use roll control and Thrust as necessary
What would cause an amber” L/R ESS BUS VOLTS” CAS message? In other words, what is the lower and upper limit of normal voltage.
bus voltage below 22 VDC and above 29.5 VDC
AirSpeed/ Mach limits standby instruments
325 kias/ .75 M
When the FWSOV is pressed which systems are disconnected?
- Bleed air shut off valve
- Main fuel shut off valve
- Alternator turned off
- Hydraulic shut off
- TR isolation valve
- Ignition
- Arms engine fire extinguisher
- Generator shut off.
What lights are activated when the emergency lights are turned on?
- 5 lighted exit signs, 2 per exit
- 4 reading lights
- 8 floor proximity lights
- main door egress lights
- External emergency exit egress light
- lavatory light