Normal Ops Limits

Question 1

How are NF values expressed?

Answer 1

In terms of main-rotor rpm (NR)

Question 2

What is the max NR for rotor brake application and minimum time between consecutive brake applications?

Answer 2

160 rpm and 5 mins

Question 3

What duration is permitted using the OEI Maximum Contingency (MAX) power rating, without exceeding any limit?

Answer 3

2 mins 30sec

Question 4

What is the slope landing limitation for nose up slope if the wind speed is 30 kts on the nose? (AUM less than 6100kg)

Answer 4

10 degrees

Question 5

What is the maximum time limit for a low g manoeuvre (less than 0) ‘g?

Answer 5

5 sec

Question 6

What is the maximum airspeed for turbulence penetration in the ARH Tiger?

Answer 6

100 KIAS

Question 7

What is the maximum pitch attitude manoeuvre limitation?

Answer 7

Plus or minus 90 degrees

Question 8

What is the maximum permissible groundspeed for touchdown and rolling take-offs with the tail wheel locked (non-emergency) below 6100kgs?

Answer 8

43 kts

Question 9

What period / duration is permitted using the OEI Super Contingency (SUP) power rating, without exceeding any limitations?

Answer 9

30 sec

Question 10

What is the time limit on the NF transient 342 to 372 rpm?

Answer 10

20 sec

Question 11

What recovery action/s (if any) are necessary following a low normal (less than 0) ‘g’ manoeuvre?

Answer 11

30 sec required under positive g

Question 12

What is the Vne for the Tiger before correcting for Pressure Altitude (PA) and OAT?

Answer 12

175 KIAS

Question 13

Minimum AUM:
Maximum AUM (non-jettisonable):
Maximum AUM (Full flight envelope):
Maximum AUM (Ferry):

Answer 13

Minimum AUM: 4300kgs
Maximum AUM (non-jettisonable): 5650kgs (fuel/oil/crew only)
Maximum AUM (Full flight envelope): 6100kgs
Maximum AUM (Ferry): 6400kgs

Question 14

If an engine first start has to be aborted due to no ignition, what is the wait time following the dry crank procedure before a second start can be attempted?

Answer 14

30 sec

Question 15

What is the maximum taxi speed permissible with the tailwheel unlocked?

Answer 15

10 kts

Question 16

What is the lateral slope landing limitation if the wind speed is 30 kts? (AUM less than 6100kg)

Answer 16

3 degrees

Question 17

During the engine starting phase (when the starter motor is engaged), what is the steady T4.5 limitation?

Answer 17

750 degrees C (3 sec)

Question 18

What is the maximum duration for starter motor engagement during a normal start (auto or manual)?

Answer 18

40 seconds

Question 19

What does the Flight Manual define as a stagnated start?

Answer 19

Less than 0.5% per second of NG

Question 20

After what maximum time must an engine start be aborted if no ignition occurs?

Answer 20

25 sec

Question 21

What are the wind limitations for rotor starting / stopping (including gusts)?

Answer 21

50 Kts
20 Kts (gust spread)

Question 22

Flight in icing conditions is an approved type of operation?

Answer 22

FALSE

Question 23

Flight into areas of known severe turbulence is prohibited?

Answer 23

TRUE

Question 24

What are the ranges where Nr horn activates?

Answer 24

Low Nr = Below 302

High Nr= Above 340

Question 25

List the abort start criteria: (9)

Answer 25

Abort start if: - No ignition within 25 sec - T4.5 exceeds 750ºC (transient up too 800ºC for 3 sec) - No NF by 35% NG - No NR by 30% NG (ACC.D exempt) - NG stagnation (<0.5%/sec) - Start light illuminated after 60% NG - NF overspeed flags lit after 85 RPM NF - Start light lit after 40 sec - PWR class A during start

Question 26

Explain the engine starter limits:

Answer 26

Starter 1st use - Wait 30 seconds Starter 2nd use - Wait 60 sec Starter 3rd use - Wait 30mins *Note: starter can only run for 15sec before auto turning off*

Question 27

What is max AUM for full flight envelope and ferry operations?

Answer 27

6100kgs 6400kgs (ferry)

Question 28

At what NF value will the overspeed protection activate and shutdown an engine?

Answer 28

378 NF

Question 29

Max air taxi speed sideways/rearwards:

Answer 29

50KTS

Question 30

Max yaw rate:

Answer 30

120º/sec

Question 31

What temperature range are tiger perf calculations valid within?

Answer 31

+/- 5ºC

Question 32

What are the flight, holding, single engine and ACC.D fuel flow rate?

Answer 32

Flight: 360kg/hr Holding: 300kg/hr OEI: 200kg/hr ACC.D: 72kg/hr

Question 33

Does DHH work over water?

Answer 33

No, water reflects differently

Question 34

DHH and RHH cannot be activated when flying above what speed?

Answer 34

50KIAS

Question 35

RADALT Max height

Answer 35

3000ft

Question 36

Maximum pitch and AoB :

Answer 36

Pitch: 90º AoB: 90º

Question 37

Slope landing limits wind below 25kts and greater than 25kts (AUW below 6100KGs):

Answer 37

Wind speed below 25kts: Lateral: 12º Nose up: 12º Nose down: 8º Wind speed above 25 kts: Lateral: 3º Nose up: 10º Nose down: 8º (Doesn’t change)

Question 38

Slope landing limits when AUW is greater than 6100kgs:

Answer 38

Lateral: 8º Nose up: 8º Nose down: 3º

Question 39

Your aircraft weight is above 6100kgs, what are the wind limits that apply to slope landings and how do they impact them?

Answer 39

Slope landings are not possible with wind speed above 40KIAS, there is no impact to angle limits

Question 40

Maximum touchdown speed during an emergency rolling landing

Answer 40

70KTS GS

Question 41

Maximum wind gusts above mean in turbulence:

Answer 41

35KTS

Question 42

Max AUW for full flight envelope operations?

Answer 42

6100kgs

Question 43

Above what weight is a solid surface required for rolling take-offs?

Answer 43

6100kgs

Question 44

Max speed for rolling T/O:

Answer 44

35kts GS

Question 45

What is the minimum and max airspeeds which a datum can be flown in 3 and 4 axis upper modes?

Answer 45

4 axis: 40KTS - 0.95Vne 3 axis: 60KTS (flashing went below 80KIAS) Note: 4 axis mode datum’s can be set from 27KIAS

Question 46

VNE OEI:

Answer 46

120KIAS

Question 47

Operating between 6100 and 6400kgs, what limits are applied to the aircraft?

Answer 47

Below 120KIAS: Not above 60ºAoB/2Gs Above 120KIAS: Not above 55ºAoB/2Gs VNE: 160KIAS Max Yaw Rate: 30º/sec Sideways hover taxi: 20kts

Question 48

What is the max speed for tail wheel locked rolling take-off?

Answer 48

35kts G/S

Question 49

What NR will cause the AC electrical power to fail?

Answer 49

Below 265NR

Question 50

Explain all ARH slope limits:

Answer 50

Below 6100 kgs, less than 25KTS - 12 Lateral - 12 Nose up - 8 Nose down Below 6100kgs, greater than 25KTS - 3 Lateral - 10 Nose up - 8 Nose down Above 6100kg, less than 40 kts - 8 Lateral - 8 Nose up - 3 Nose down

Question 51

Windscreen wiper limit

Answer 51

120KIAS, only applies to gunner cockpit (rear seat)