CFM Ch. 2 Limitations Flashcards
Types of Operations
- VFR and IFR
- Icing Conditions
- Cats I and II
- ETOPS
- RVSM
- RNP
MTOW
85,517 lbs (85,098 lbs LL)
MRW
85,870 lbs (85,450 lbs LL)
MLW
74,957 lbs
MZFW
69,886 lbs (69,467 lbs LL)
Min flight crew
Pilot and Co-pilot
Max takeoff and landing TW Component?
10 knots
Max runway slope
+/- 2%
Runway surface type
Paved
Flap Maneuvering Load Limits
No flaps -1 G to +2.5 G
> Flaps 0 is 0 G to 2 G
Max Operating Altitude
41,000
Max Takeoff and Landing Altitude
10,000
Min Takeoff and Landing Altitude
-1000
Max ambient Temp for T/O and Ldg
52º C
Max Flap Ext Altitude
20,000
Max Latitude for Stationary Alignment
78.25º N to 78.25º S
Landing below __, may not takeoff without further MX inspection
-40º C (SAT)
Min Ambient Temp for Operation
-54º C (SAT)
Temperature Compensation Baro-VNAV Operations
- Coordinated with ATC
2. Must be used for operation outside the temp limits published on approach procedure
Max operating airspeed is known as?
Vmo
Max Mach Number
Mmo, .82M
Max Airspeed for RAT Operation
Vmo or Mmo
Turbulent Airspeed Limits
Below 10,000 = 250 knots
At or above 10,000 = 270 kts or .76M
Max tire limit ground speed
195 kts
Max windshield wiper speed
253 kts
max gear speeds
Vloe/Vle/Vlor all are 250 kts
Flap Operating Limits
1 230 2 215 3 200 4 180 5 180 Full 165
Max Operating Speed up to 8,000
300 kts
Max Op Seed from 8,000 to 10,000
Increases linearly from 300 to 320 kts
Max op speed from 10,000 to FL290
320 kts (Vmo)
Max op speed FL290 to FL410
.82M (Mmo)
Max Fuel capacity
20,935 lbs
Max fuel capacity per tank
10,392.5 lbs
Max fuel capacity per tank in gallons
1535.5 gallons
Unusable qty of fuel per tank
75 lbs (11 gallons)
Max fuel imbalance
794 lbs
Min fuel temp
-37º C as measured from tank 1
When must X-feed be off?
All takeoffs and landings
Max differential pressure
8.4 psi
Max differential overpressure
8.8 psi
max differential negative pressure
-0.5 psi
max differential pressure for takeoff and landing
0.2 psi
max altitude for single pack operation
31,000
You cannot takeoff when your brakes are in what color range?
Amber
Thrust Reversers work only when:
- WoW
- Thrust levers idle
and must be - Full stop landings/ No GAs
MIN REV thrust with the Translating Cowl open below ____ kts
60 kts
Must bring thrust levers to Idle thrust with the Translating Cowl closed below how many kts?
30 kts
Minimum AP engagement?
400 per Embraer and 1,000 per Mesa CFM
What is the min ALT you can use the AP before disconnecting?
50 feet AGL
What type of engine do we use?
(2) CF34-8E5 General Electric Engines 2 spool 14,200 lbs of thrust N1 = 1:4 N2 = 10:2
What is the max time takeoff thrust can be set to?
10 mins
Max temp for starting the engine?
815º C
When is Flex takeoffs prohibited?
contaminated runways
What must be on for all takeoffs and landings?
ATTCS
What are the engine starter duty cycle limits?
Attempts 1/2
120/90 secs on and 10 secs off
Attempts 3-5
120/90 secs on and 5 mins off
Dry motoring duty cycle limits?
Attempts 1 90 secs on and 5 mins off Attempts 2-5 30 secs on and 5 mins off After 5 sequential motorings, cycle can be repeated after 15 mins of cooldown
APU Starter Duty Cycle?
Attempts 1/2
1 min on 1 min off
Attempts 3-5
1 min on 5 min off
What is the max altitude to attempt an APU start?
30,000
Max operating ALT for APU?
33,000
Max ALT for APU Elec. Generator?
33,000
Max ALT for APU Bleed?
15,000
Max ALT to use APU for assisted engine start?
21,000
Does the APU shutdown in flight if EGTs exceed limits?
No, must be done manually
Is there a time limitation for operating the APU on the ground or in-flight in the AMBER range between 662ºC and 717ºC?
No
At what speed do TAS, TAT, and SAT become valid?
60 kts
When is the Standby Magnetic Compass not valid?
When the VHF #1 is transmitting
Which mins must be used for all CAT 1 approaches?
The Baro Mins
What is not authorized while using the IESS instrument?
LOC BCs
Max speed to operate direct vision window?
160 kts
Turn radius for 180º turn while taxiing?
53’ 8” (54’ 4” for tail clearance) (!!!for test the answer is 59’ 2”!!!)
Max x-wind for dry runway?
38 kts
Max x-wind for wet runway?
31 kts
Max x-wind for runway with compacted snow?
20 kts
Max x-wind for runway with standing water/slush/wet snow/dry snow?
18 kts
Max x-wind for runway with ice (including wet ice)
12 kts
APU max EGT for start and continuous?
1032ºC (APU Start) and 717ºC (APU Continous)
APU Max Rotor Speed?
108%
Max N1 with brakes applied?
60%
Max N1
99.5%
Max N2
99.4%
Min N2
58.5%
Max TO/GA ITT
960ºC limited to 5 mins with all engines operating and 10 mins OEI (1006ºC allowed 1st 2 mins)
Max Continuous
960ºC
Dimensions of the aircraft?
Height: 32’ 4”
Wing span: 93’ 11”
Length: 103’ 11”
Min and max oil?
< 25 and > 95
Oil temp max for continuous and transient
Continuous: 155ºC
Transient: 163ºC (limited above 155ºC for 15 mins)
For flex ops reduction must not exceed ___ of the full Takeoff thrust?
25% of the full Takeoff thrust
Can you powerback the airplane?
not permitted
Normal T/O and G/A max ITT?
965º C