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EC-135 Limits/Boldface > Normal Ops Limits > Flashcards

Normal Ops Limits Flashcards

1
Q

During start, ignition must occur within?

A

15 seconds from idle being selected (20 sec on the clock)
20% N1

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2
Q

Startup TOT limits

A

810 for 5 sec (8.5 FLI)
895 MAX (11 FLI)

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3
Q

Max airspeed in autorotation

A

90KIAS

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4
Q

What is the req fuel on landing?

A

70Kg

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5
Q

What is AEO T/O PWR transient on the FLI, how does the pilot know they are in this range and how long can they be there?

A

Above FLI 10 to FLI 10.4 (when below 65KIAS), a warning gong sounds every 3 sec and pilots cannot move past for more than 10 sec

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6
Q

Max useable fuel (kgs + L)

A

560.4kg
710L

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7
Q

What is Vne when OEI?

A

110KIAS

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8
Q

What is Vtoss

A

Vtoss = Vertical take off speed = Vy single engine = 40KIAS

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9
Q

Max gross mass

A

2950Kg

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10
Q

Tie down ring and floor loading limits

A

100kgs
600kg/m2

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11
Q

Vne for autorotation

A

90kts

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12
Q

Vmin (IFR)

A

60KTS

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13
Q

Minimum airspeed with IAS mode engaged (on the APMS)

A

40KTS

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14
Q

Min air temp

A

-35ºC

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15
Q

Max air temp normal ops
Max air temp for cont AFCS

A

Normal: ISA + 39ºC (Max 50ºC)
AFCS: 50ºC

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16
Q

Max wind for rotor start

A

50KTS for anywhere
30KTS from the tail (IBF limit)

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17
Q

What is the 723 SQN icing limitation?

A

Flight in visible moisture (cloud) below OAT of 2ºC is prohibited

Note: Flight in known icing conditions is prohibited

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18
Q

How long can the vent system run for and how much time is needed between each use?

A

15 sec for vent
30 sec between uses

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19
Q

Minimum cont RRPM

20
Q

Explain max N2 limits

A

N2 under any circumstances should not stabilise above 104%, 104 - 106% is possible for 20 sec, above 106% is prohibited

21
Q

Explain TQ limits w/ reference to the FLI

A

AEO
- Max Cont: Up too 9FLI
- Takeoff power: 9-10FLI for 5 mins (Only when below 65KIAS)
- T/O PWR Transient 10-10.4 FLI for 10 sec (Cannot plan to use)

OEI
- Max Cont: Up too 11 FLI
- 2 Min PWR: Up too 13
- 30 Sec PWR: 13.5

22
Q

Explain altitude limits

A

Gross mass above 2910kg
- Not above 8,000ft PA if forward flight
- Not above 6,000ft DA for hovering/OEI Training mode
- Not above 5,000ft PA for OEI training mode

23
Q

What are the prohibited flight manoeuvres?

A

Aerobatic manoeuvres and aggressive pedal turns aren’t allowed above 2835Kg or High Nr mode is one (always)

Note: Aggressive hover turns are defined as more than 30º a sec

24
Q

What is the max hover turn rate when more than 2835kgs or High Nr mode is on?

A

No more than 30º a sec

25
Q

Max FLI when above 65KIAS

A

Not above 9FLI

26
Q

Abort start criteria

A
  1. No ignition by 20% N1 or 15 sec (after selecting idle)
  2. Abnormal noises/vibrations
  3. TOT rises above 810ºC and approaches 895ºC
  4. Engine hangs
  5. No ENG/transmission oil pressure @ ground idle
  6. N1/N2 out of limits
  7. N2/Nr needles split after reaching ground idle
  8. Starter still engaged at N1 50%+
  9. Auto restart not successful
27
Q

Vne

28
Q

Lateral, nose up and nose down slope limits

A

Lateral: 14º
Nose up: 12º
nose down: 8º

29
Q

Min weight

30
Q

Explain Rotor RPM limits

A

Power on:
Min transient: 85-97% (20 sec)
Continuous: 97-104%

Power off
Continuous: 85-106%
Max transient: 106-112% (20 sec)

31
Q

Max RoD IFR

A

1,500ft/min

32
Q

What are the selected items that require I-C-S?

A

ENG Main sw
Fuel XFER sw
ENG mode select sw
ENG twist grips
ENG EMRG Off switches

33
Q

Explain ENG TQ Limits

A

AEO:
MCP 9FLI - 69%
TOP 10FLI - 78%
TOP transient 10.4FLI - 82%

OEI:
MCP 11FLI - 90%
2 min 13 FLI - 125%
30 sec 13.5 FLI - 128%

34
Q

Vne for use of the wipers

35
Q

Explain fuel warnings/cautions and remaining fuel levels and time

A

Warning:
Time - 10 mins
Sys 1/2 - 32kg/28kg

Caution
Time - Approx 12/13 mins
Sys 1/2 - 36kg/32kg

Note: Sys 2 always has 4kg less than sys 1

36
Q

Explain “hands off” heights regarding AFCS

A

Min height “hands off” ILS mode: 200ft AGL
Min height “hands off” any other mode: 500ft AG:

37
Q

Explain audio tones and lighting indications regarding rotor RPM

A

85-97%: RPM light steady, intermittent low tone
106-112%: RPM light flashing, gong
+112%: RPM light flashing, continuous high tone

38
Q

Max range airspeed for Autorotation

39
Q

Min RoD airspeed for autorotation

40
Q

At what point are the blades considered power off?

A

Below 2% TQ

41
Q

Min airspeed with a tail rotor drive failure

42
Q

Under what conditions would HiNr mode activate?

A

Above 55KTS is deactivates
Activates below 50kts

43
Q

Recommended autorotation speed?

44
Q

Vne floats inflated

45
Q

AFCS Temp limits

A

Max temp for flying ops - 50ºC
Max time on ground - 10 mins if above 30ºC

EC-135 Limits/Boldface (12 decks)

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