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ARH Limits/Boldface > Normal Ops Limits > Flashcards

Normal Ops Limits Flashcards

1
Q

How are NF values expressed?

A

In terms of main-rotor rpm (NR)

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2
Q

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

A

160 rpm and 5 mins

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3
Q

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

A

2 mins 30sec

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4
Q

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

A

10 degrees

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5
Q

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

A

5 sec

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6
Q

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

A

100 KIAS

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7
Q

What is the maximum pitch attitude manoeuvre limitation?

A

Plus or minus 90 degrees

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8
Q

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

A

43 kts

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9
Q

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

A

30 sec

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10
Q

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

A

20 sec

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11
Q

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

A

30 sec required under positive g

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12
Q

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

A

175 KIAS

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13
Q

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

A

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

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14
Q

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?

A

30 sec

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15
Q

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

A

10 kts

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16
Q

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

A

3 degrees

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17
Q

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

A

750 degrees C (3 sec)

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18
Q

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

A

40 seconds

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19
Q

What does the Flight Manual define as a stagnated start?

A

Less than 0.5% per second of NG

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20
Q

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

A

25 sec

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21
Q

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

A

50 Kts
20 Kts (gust spread)

22
Q

Flight in icing conditions is an approved type of operation?

A

FALSE

23
Q

Flight into areas of known severe turbulence is prohibited?

A

TRUE

24
Q

What are the ranges where Nr horn activates?

A

Low Nr = Below 302

High Nr= Above 340

25
Q

List the abort start criteria: (9)

A

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

26
Q

Explain the engine starter limits:

A

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

27
Q

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

A

6100kgs
6400kgs (ferry)

28
Q

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

A

378 NF

29
Q

Max air taxi speed sideways/rearwards:

A

50KTS

30
Q

Max yaw rate:

A

120º/sec

31
Q

What temperature range are tiger perf calculations valid within?

A

+/- 5ºC

32
Q

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

A

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

33
Q

Does DHH work over water?

A

No, water reflects differently

34
Q

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

A

50KIAS

35
Q

RADALT Max height

A

3000ft

36
Q

Maximum pitch and AoB :

A

Pitch: 90º
AoB: 90º

37
Q

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

A

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)

38
Q

Slope landing limits when AUW is greater than 6400kgs:

A

Lateral: 8º
Nose up: 8º
Nose down: 3º

39
Q

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

A

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

40
Q

Maximum touchdown speed during an emergency rolling landing

A

70KTS GS

41
Q

Maximum wind gusts above mean in turbulence:

A

35KTS

42
Q

Max AUW for full flight envelope operations?

A

6100kgs

43
Q

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

A

6100kgs

44
Q

Max speed for rolling T/O:

A

35kts GS

45
Q

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

A

4 axis: 40KTS - 0.95Vne
3 axis: 60KTS (flashing went below 80KIAS)

Note: 4 axis mode datum’s can be set from 27KIAS

46
Q

VNE OEI:

A

120KIAS

47
Q

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

A

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

48
Q

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

A

35kts G/S

49
Q

What NR will cause the AC electrical power to fail?

A

Below 265NR

50
Q

Explain all ARH slope limits:

A

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

51
Q

Windscreen wiper limit

A

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

ARH Limits/Boldface (13 decks)

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