Xjt E-145 Limitations

Front 1

What is the maximum altitude for APU start?

Back 1

30,000ft

Front 2

What is the minimum battery voltage for APU start?

Back 2

19v

Front 3

What battery does the APU start from?

Back 3

Battery 2

Front 4

What is the maximum SAT?

Back 4

ISA +35°C

Front 5

What is the maximum mach speed?

Back 5

.78 LR

.80 XR

Front 6

What is the minimum TAT in flight?

Back 6

-45°C although momentary deviations down to -50°C can occur without maintenance action.

Front 7

What is the maximum flap extension speed for flaps 45 in the XR above 10,000ft with the YD disengaged?

Back 7

145kts

Front 8

What is the maximum flap extension speed for flaps 22 in the XR above 10,000ft with the YD disengaged?

Back 8

180kts

Front 9

When should action be taken when APU GEN OVLD is seen?

Back 9

BATT 1 should be turned off anytime the APU electrical load exceeds 500amps. For a minimum of 3min.

Front 10

What is the minimum and maximum SAT for takeoff?

Back 10

-40°C and +52°C

Front 11

How long can the takeoff thrust setting be used?

Back 11

5min

Front 12

What is the minimum and maximum temperature for operating the anti ice system?

Back 12

-40°C and 10°C and may be exceeded for ICE TEST A

Front 13

What is the minimum and maximum fuel tank temps?

Back 13

-40°C to +52°C

Front 14

Minimum oil temp for start?

Back 14

-40°C

Front 15

What is the minimum temperature the aircraft can land without maintenance inspection?

Back 15

-40°C

Front 16

After the third APU start attempt, what is the cooling period required before attempting another APU start?

Back 16

30min off

1min off for first and second attempts.

*Not a starter limitation but a cycle limitation.*

Front 17

What are the (ATS) starter limitations?

Back 17

1st - 4th attempt : 1min ON / 1min OFF

Fifth attempt: 1min ON / 5min OFF

Front 18

Maximum airspeed without retrimming.

Back 18

160kias

Front 19

What is the minimum SAT at sea level and at FL370?

Back 19

Sea level ... -54°C

FL370 ... -65°C

Front 20

Maximum wiper operation speed.

Back 20

170KIAS

Front 21

Maximum fuel imbalance

Back 21

800lbs

Front 22

Minimum oil pressure below 88% N2

Back 22

34 PSI

Front 23

Maximum oil pressure below 88% N2

Back 23

110 PSI

(2) May be exceeded if oil temp is below 21°C, engine must remain at idle until below 110PSI.

(5)111PSI-115PSI permitted up to 5min. 116PSI-155PSI limited to 2min.

Front 24

Minimum oil pressure above 88% N2

Back 24

LR - 50PSI ((9)Abnormal to be 34-50PSI, permitted for takeoff and go-around)

XR - 48PSI (7)""

Front 25

Maximum oil pressure above 88% N2

Back 25

110PSI

(5)111PSI-115PSI permitted up to 5min. 116PSI-155PSI limited to 2min.

Front 26

Minimum oil temp for takeoff?

Back 26

40°C

To takeoff below 40°C:

Engine must be run for 8min.

Or

Static runup to 88% N2 with oil pressure below 83PSI.

Front 27

Maximum altitude for flap extension?

Back 27

20,000ft

Front 28

Maximum differential pressure?

Back 28

7.8PSI

8.1PSI overpressure.

Front 29

What are the maximum Landing Gear extension and retraction speeds?

Back 29

Extension: 250KTS

Retraction: 200KTS

Front 30

How long can the APU exceed 680°C up to 717°C?

Back 30

5min

Front 31

Max APU electrical load above 30,000ft?

Back 31

300 Amps

Front 32

Maximum duration of of ISIS operation on only battery power?

Back 32

40min

45min if pitot 3 sensor heat is turned off.

Not memory item: Standby attitude indicator will also operate for 40min, with 9min usable spool down after total loss of power.

Front 33

Minimum battery temperature of APU start?

Back 33

-20°C