Limits

Question 1

• Max aircraft mass for normal landing, and max RoD.
• C/Line, 2 crew, at what fuel is this mass achieved

Answer 1

• 5900 kg, 780 ft/min
• 1,050kg

Question 2

What is the maximum take-off mass for the Hawk T-165 (at sea level)?

Answer 2

8561 kg

Question 3

Max heavyweight landing mass and RoD

Answer 3

8561 kg
625 ft/min

Question 4

Max cleared altitude

Answer 4

48,000’

Question 5

Aircaft OAT operating limit

Answer 5

-26 to 50C

At ground level

Question 6

Aircraft configuration restriction in visible icing

Answer 6

Full flap prohibited

Must land with half flap

Question 7

Aircraft airspeed limits

Answer 7

• 575KCAS up to 0.9M
• 0.9M up to 500KCAS
• 500KCAS up to 1.2M
• 1.2M up to 48,000’

Basic aircraft

Question 8

Gear Overspeed limits

Answer 8

• 200-210 KCAS: continue sortie
• > 210KCAS: abort sortie

Question 9

Combat Flap speed limit

Answer 9

350KCAS/0.8M

Question 10

Flaps G limits

Answer 10

Combat flap: -2 to +8G
1/2, 3/4, or full flap: 0 to +2.5G

Question 11

Zero/negative G time limit

Answer 11

30sec

Must be followed by an eqaul or greater time of +ve G

Question 12

Prohibited Manouvres

Answer 12

• Flick/snap manouvres
• Inverted spins
• Stall turns
• Tail slides
• Autopilot with O/B stores and only wingtip fairings/clean wingtips

Question 13

Max speed for rudder use to enhance manouvres

Answer 13

200 KCAS

Question 14

Single aircraft crosswind limit

Answer 14

30kts for takeoff or landing (wet or dry)

If >25kts, brakechute must not be streamed, except for emergency on T/O

Question 15

Formation crosswind limit

Answer 15

15kts

Takeoff or landing

Question 16

EEC controlled RPM/T6 limit

Answer 16

• 104% NH
• 880 degC

108% NL

Question 17

Ground start T6 limit

Answer 17

637 degC

Question 18

Relight T6 limit

Answer 18

840 degC

Question 19

Transient RPM/T6 limit

Answer 19

• 104.5% NH
• 885 degC

108.5% NL

Question 20

Ground starting pressure altitude limit

Answer 20

0 to 10,000’

Question 21

Ground starting OAT limit

Answer 21

-26 to +50 degC

Question 22

Ground starting tailwind limit

Answer 22

15kts

Question 23

ISA (15degC) engine time limit to reach ground idle RPM

Answer 23

45sec to reach 95% (from 10% NH)

Provided throttle is opened before 10%

@30degC: limit is 64sec

Question 24

After start manual FADEC check: duration of switch set to MFC

Answer 24

MFC selected for 2-3 seconds

Question 25

Max RPM for assisted relight

Answer 25

20% NH

Question 26

Max RPM for starter engagement

Answer 26

20% NH

Question 27

Max RPM before switching batts off

Answer 27

10% NH

Question 28

Max alt for deliberate use of APU

Answer 28

25,000' | Max alt for *starting* is 20,000' except for flight test (22,500')

Question 29

Max airspeed with APU running

Answer 29

- Below 10,000': 380KCAS - Above 10,000': 460KCAS

Question 30

G limit with APU running

Answer 30

0 to 8G

Question 31

Time limit with APU running inflight

Answer 31

1hr

Question 32

Min interval between APU starts, and why

Answer 32

- 3min - To avoid overheating APU starter motor

Question 33

Max speed on ground

Answer 33

180kts | Tyre limit

Question 34

Max speed for streaming chute

Answer 34

160kts

Question 35

Max wind speed with canopy open

Answer 35

40kts | Combined wind+taxi speed

Question 36

Max crosswind for streaming chute

Answer 36

25kts | Except when required during an aborted takeoff

Question 37

OAT vs APU on/off

Answer 37

**Above** 32degC: APU *must* be running | Unless time between landing and shutdown is less than 5min.

Question 38

Min interval for stores release

Answer 38

80ms

Question 39

C/line tank G limits (<500kt/M0.8)

Answer 39

>360kg: -3 to +5 (-2 to +5 with combat flap) 360 to 165kg: -3 to +5.5 <165kg: -3 to +8 | Above 500kt/M0.8: linearly reducing to 0 to 3G, until <165kg: 0 to 5

Question 40

Time limit from *Throttle-Idle* to achieve an assisted relight

Answer 40

- 30sec - Then: *Throttle-Off* and wait 30sec before attempting another assisted relight | 30sec required for fuel to drain

Question 41

Airspeed limit with C/L tank

Answer 41

500KCAS/0.8M

Question 42

Max speed for brakechute jettison | (Unless in an emergency)

Answer 42

50kts

Question 43

Brakechute weak link speed

Answer 43

170kts