EMB145Limits Flashcards
Minimum flight crew
2 Pilots
The EMB-145 is certified in the transport category in the following conditions
Day, Night, VFR/IFR, Icing Conditions
Max runway slope
+/- 2% of runway length
Runway surface
Paved
Max tailwind
10KTS
Max SAT
ISA +35
Min/Max takeoff and Landing pressure altitude
min -1,000, max 8,000, max 10,000 (XR)
Min/Max SAT at FL370
-65/-21.5C
Min SAT for takeoff
-40
Min TAT above FL250
-45C. Can dip to -50 momentarily without mx involvement
Mx inspection needed when landing below
-40C
VLO for gear retraction/extension
200/250KTS
VLE
250KTS
VA
200KTS
Flap 9 ext. speed
250KTS
Flap 18 ext. speed
200KTS
Flap 22 ext. speed
200KTS
Flap 45 ext. speed (ER/LR)
145KTS
Flap 45 ext. speed (XR)
160KTS
Above 10,000 w/ YD disengaged, max speed for flaps 22 (XR)
180KTS
Above 10,000 w/ YD disengaged, max speed for flaps 45 (XR)
145KTS
Max airspeed after T/O without retrimming
160KTS
Max airspeed for turbulent air penetration at or below 10,000
200KTS
Max windshield wiper operation speed
170KTS
Do not operate windshield wiper on
A dry windshield
Max imbalance allowed between tanks
800lbs
Min/Max fuel tank temperature is
-40/52C
Max N1
100%
For all models min/max oil pressure less than 88% N2
34/110psi
On ER/LR, min/max oil pressure at or above 88% N2
50/110psi
On XR, min/max oil pressure at or above 88% N2
48/110psi
On XR, operation between 34 and 48 psi is permitted for:
Takeoff and Go-Around
Max oil pressure may be exceeded during start if the oil temp is below ___, the engine must remain at IDLE until oil pressure is less than ___:
21C, 110psi
All aircraft will display oil pressure less than or equal to ___ in green:
110psi.
All aircraft will display oil pres. in range ___ in amber and permitted in all ops. modes limited to ___. Operation in the oil pres. amber range between ___ in amber is permitted in all ops. modes limited to ___. total over-pressure time above 110 may not exceed ___:
111-115psi., 5min., 116-155psi., 2min., 5min.
Min oil temp for start:
-40C
To increase N2 above ___, the engine oil temp must be ___ minimun. In lieu of this limitation, it’s acceptable to run the engine at idle or taxi thrust for at least ___, and check if the temperature is at least __
83%, 40C, 8min., 21’C
HP spool vibration limits maybe exceeded up to ___ for ___ during takeoffs and go-arounds. all other modes ___
2.5IPS, 5min, 10sec.
Max ITT for start:
800C
All ER/LR/XR takeoff thrust ratings limits are time limited to ___:
5min.
All XR takeoff thrust ratings/ITT between ___ - ___ are time limited to ___. Takeoff thrust ratings/ITT up to ___ are permitted up to max of ___:
971-992C, 90sec., 970C, 5min.
Any engine exceedance or peak must be
monitored and logged by the crew
Dry motoring continuous operation ___ and ___:
5min on, 5min off
Engine starting cycle, 1-4 ___ and; ___. For 5th cycle, ___ p; ___
1min, 1min, 1min, 5min.
After start, the engines must run at idle or taxi thrust for ___ for cold engine, ___ for warm engine:
4min, 2min.
Engine is considered cold, if it’s been shut down for at least:
90min.
Engines must run for at least ___ at idle or taxi thrust before shutdown
2min.
Max altitude for starting APU:
FL300
Max operational altitude for APU:
FL370
The APU will automatically shutdown at ___ rotor speed
104%
APU EGT may exceed ___ up to ___ for maximum ___
680C, 717C, 5min.
Min. Batt. temp for APU start:
-20C
Start cycle for the APU: After 1-2 attempts: ___, after 3rd attempt ___
1min. 30min.
Max APU generator load above FL300:
300A
Min. AP engagement height:
500Ft
AP disengagement height is:
200Ft Vis. App, 200Ft CAT-I, 85Ft CAT-II, Prior to leaving MDA.
Max ISIS duration when operating only on batteries is ___, may be exceeded to ___ if pitot #3 is off, in non-icing conditions.
40min, 45min.
Nav equip note (move/cage)
The airplane must not be moved during power-up initialization. Do not cage the attitude in turning flight.
Max altitude for flap extension:
FL200
Max differential pressure:
7.8psi
Max differential over-pressure:
8.1psi
Max differential negative-pressure:
-0.3psi
Min temp for manual anti-ice operation:
-40C
Max temp for anti-ice operation:
10C
Holding config in icing:
Landing gear up, flaps up, minimum 200KTS.
Mmo ER/LR/EP
0.78Mach
Mmo 145XR
0.8Mach
Turbulent air penetration above 10,000ft
250KTS or 0.63Mach whichever is lower.
Unusable fuel 135ER/145EP ___ increases to ___ w/ 1 fuel pump MEL’s. (ea. tank)
48lbs., 266lbs.
Unusable fuel 135LR/145LR ___ increases to ___ w/ 1 fuel pump MEL’s. (ea. tank)
39lbs., 365lbs.
Unusable fuel 145XR wing tank ___, Vent. tank ___, increases to ___ w/ 1 fuel pump MEL’d.
39lbs., 21lbs., 365lbs.
Max load on main eng. gen. ___, max load on APU gen. ___
400A., 400A.
Maximum Batt. Temp.
70C.
Minimum decision height ___.
100Ft.
Max. Tail wind CAT-II app., ER/EP/LR ___, XR ___.
10KTS, 9KTS.
Max Altitude
FL370
min/max SAT -1000
-54/52
Min TAT above FL250
-45 momentary deviations down to -50 are allowed with no MX
Takeoff thrust limit
5 minutes
