Chapter 5 Limitations (updated 14 NOV 2016)

Question 1

T5 °C
Normal........................
Idle...............................
Max Climb/Cruise....
Max Continuous.......
Take off......................
Reverse.....................
Transient....................
Starting.......................

Answer 1

T5 °C
Normal……………………490-800
Idle………………………….750
Max Climb/Cruise….770
Max Continuous…….800
Take off…………………..800 / 5 min
Reverse………………….800 / 90 sec
Transient………………..850 / 2 sec
Starting…………………..1000 / 5 sec

Question 2

Pack Temperature °C
Normal…..
Caution….
Max………..

Answer 2

Pack Temperature °C
Normal…..2-70
Caution….70-90
Max………..90

Question 3

Engine Oil Pressure (PSI)
Min.......................
Caution...............
Min Idle...............
Min Transient.....
Normal................
Max......................

Answer 3

Engine Oil Pressure (PSI)
Min.......................75
Caution...............75-80
Min Idle...............80
Min Transient.....80
Normal................80-100
Max......................100

Question 4

Gas Generator RPM / Ng (%)
Normal (Starting).....
Min Idle.....................
Normal (Flight)........
Max Continuous.....
Max Climb/Cruise..
Max Reverse...........
Max...........................
Take off....................
Transient.................

Answer 4

Gas Generator RPM / Ng (%)
Normal (Starting).....12-20
Min Idle.....................68
Normal (Flight)........68-101.6
Max Continuous.....101.6
Max Climb/Cruise..101.6
Max Reverse...........101.6 / 90 sec
Max...........................102.7
Take off....................102.7 / 5 min
Transient.................103.6 / 15 sec

Question 5

Differential Pressure (PSI)
Normal..............
Caution.............
Max....................
Max (landing)..

Answer 5

Differential Pressure (PSI)
Normal..............0-4.26
Caution.............4.26-4.7
Max....................4.7
Max (landing)...0.5

Question 6

Starter Limitations

Answer 6

Starter Limitations
1 minute ON - 1 minute OFF
1 minute ON - 1 minute OFF
1 minute ON - 1 minute OFF
1 minute ON - 1 minute OFF
1 minute ON - 15 minutes OFF

Question 7

Intake Deflector Motor Limits

Answer 7

Intake Deflector Motor Limits
1 minute ON - 3 minutes OFF
1 minute ON - 3 minutes OFF
1 minute ON - 10 minutes OFF

Question 8

Flap Limitations

Answer 8

• Must be set @ 15 for takeoff
• Must be set @ 0 holding in icing

Prohibited Settings:

• Beyond 0 for enroute operations
• 15 for landing with anti-skid inop

Question 9

Nacelle Temperature °C
Normal…..
Caution….
Max………..

Answer 9

Nacelle Temperature °C
Normal…..95-210
Caution….210-225
Max………..225

Question 10

G limits
Flaps retracted…..
Flaps extended….

Answer 10

G limits
Flaps retracted…..+2.53 / -1
Flaps extended….+2 / -0

Question 11

Emergency / Parking Brake Hyd Pressure (PSI)
Min…..
Max….

Answer 11

Emergency / Parking Brake Hyd Pressure (PSI)
Min…..1500
Max….3800

Question 12

Max Flaps Extended Speed (Vfe) (KIAS)
Flaps 15…….
Flaps 25……
Flaps 45……

Answer 12

Max Flaps Extended Speed (Vfe) (KIAS)
Flaps 15…….147 (same as gear operating)
Flaps 25……124
Flaps 45……110

Question 13

Max Gust Penetration Speed / Turbulence (Vb)

Answer 13

Max Gust Penetration Speed / Turbulence (Vb)
171 KIAS max @ 47k lb.
decrease by 1 kt per 1k lb < 47k

Question 14

Landing Gear Speeds (KIAS)
Max gear extended (Vle)……..
Max gear operating (Vlo)……..

Answer 14

Landing Gear Speeds (KIAS)
Max gear extended (Vle)……..161 (same as Va)
Max gear operating (Vlo)……..147 (same as flaps 15)

Question 15

(KIAS)
Max speed for opening Direct Vision windows…..
Max speed for movement of mission sensors…….
Max speed with sensors extended……………………..

Answer 15

(KIAS)
Max speed for opening Direct Vision windows…..160
Max speed for movement of mission sensors…….160
Max speed with sensors extended……………………..160

Question 16

Max Maneuvering Speed (Va)…..

Answer 16

Max Maneuvering Speed (Va)…..161 KIAS

same as gear extended speed

Question 17

Max Operating Speed (Vmo)……..

Answer 17

Max Operating Speed (Vmo)……..231 KIAS (SL to 7500’)

> 7500’ decrease by 4 kts per 1000’

Question 18

Minimum Icing Speed…………………………

Max windshield wiper speed (Vww)…..

Answer 18

Minimum Icing Speed…………………………150 KIAS

Max windshield wiper speed (Vww)…..130 KIAS

Question 19

Max Taxi Speed………….

Max Tire Speed………….

Answer 19

Max Taxi Speed………….40 KIAS

Max Tire Speed………….139 KIAS

Question 20

Weight Limits (lbs)
Max Ramp Weight.............
Max Towing Weight..........
Max T/O w/ flaps 15..........
Max Land w/ flaps 25......
Max Land w/ flaps 45......
Max Zero Fuel Weight.....
Max 3 Engine Ferry..........
Max Fuel Imbalance........

Answer 20

Weight Limits (lbs)
Max Ramp Weight.............49,000
Max Towing Weight..........47,100
Max T/O w/ flaps 15..........47,000
Max Land w/ flaps 25......45,000
Max Land w/ flaps 45......42,000
Max Zero Fuel Weight.....39,000
Max 3 Engine Ferry..........36,000
Max Fuel Imbalance.........500

Question 21

Altitude Limits
Max operating………………………………..
Max for air starting…………………………
Max for lowering gear or flaps………
Min Alt with Sensors Extended……..

Answer 21

Altitude Limits
Max operating………………………………..25,000’
Max for air starting…………………………20,000’
Max for lowering gear or flaps………18,000’
Min Alt with Sensors Extended……..1,000’ AGL

Question 22

Max Tailwind (KTS)
Takeoff……
Landing…..

Answer 22

Max Tailwind (KTS)
Takeoff……15 (10 per SOP)
Landing…..10

Question 23

Max crosswind (1 eng inop or outbd roll spilers inop)

Answer 23

Max crosswind (1 eng inop or outbd roll spilers inop)
18 KTS

Question 24

Max crosswind (all engines operating)…..

Answer 24

Max crosswind (all engines operating)…..22 KTS

Question 25

``` Engine Oil Temp °C Starting............... Min....................... Cold Caution..... Normal................ Max...................... Hot Caution....... Transient............ Takeoff................ Max cont............ Max clmb/crus.. ```

Answer 25

``` Engine Oil Temp °C Starting...............minus 40 Min.......................minus 40 Cold Caution.....minus 40 - 10 Normal................10 - 99 Max......................99 Hot Caution.......99 - 104 Transient............104 / 15 min Takeoff................10 - 99 Max cont............10 - 99 Max clmb/crus..10 - 99 > 99, limit operatins to < 15 min ```

Question 26

``` TQ Limits (FT/LB) Normal.................. Max Cont............. Max clmb/crus... Max........................ Takeoff.................. Reverse................ Transient.............. ``` Oil Press 75-79..... < 900 Np................

Answer 26

``` TQ Limits (FT/LB) Normal..................0-4860 Max Cont.............4223 Max clmb/crus....4417 Max........................4860 Takeoff..................4860 / 5 min Reverse................4860 / 90 sec Transient..............5900 / 20 sec ``` Oil Press 75-79.....2500 < 900 Np................3500

Question 27

``` Prop RPM (Np) Caution................ Normal................. Max clmb/crus... Max....................... Max cont............. Transient............. Takeoff................ Reverse.............. ```

Answer 27

``` Prop RPM (Np) Caution................660-870 Normal.................870-1210 Max clmb/crus...1070 Max.......................1210 Max cont.............1210 Transient.............1445 Takeoff................1210 / 5 min Reverse..............1210 / 90 sec ``` > 1210 indicate failure of the constant speed gov > 1283 indicate failure of both constant speed and overspeed gov