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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
Max FLI when above 65KIAS
Not above 9FLI
26
Abort start criteria
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
Vne
155KIAS
28
Lateral, nose up and nose down slope limits
Lateral: 14º Nose up: 12º nose down: 8º
29
Min weight
1600kg
30
Explain Rotor RPM limits
Power on: Min transient: 85-97% (20 sec) Continuous: 97-104% Power off Continuous: 85-106% Max transient: 106-112% (20 sec)
31
Max RoD IFR
1,500ft/min
32
What are the selected items that require I-C-S?
ENG Main sw Fuel XFER sw ENG mode select sw ENG twist grips ENG EMRG Off switches
33
Explain ENG TQ Limits
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
Vne for use of the wipers
80KIAS
35
Explain fuel warnings/cautions and remaining fuel levels and time
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
Explain “hands off” heights regarding AFCS
Min height “hands off” ILS mode: 200ft AGL Min height “hands off” any other mode: 500ft AG:
37
Explain audio tones and lighting indications regarding rotor RPM
85-97%: RPM light steady, intermittent low tone 106-112%: RPM light flashing, gong +112%: RPM light flashing, continuous high tone
38
Max range airspeed for Autorotation
90KIAS
39
Min RoD airspeed for autorotation
60KIAS
40
At what point are the blades considered power off?
Below 2% TQ
41
Min airspeed with a tail rotor drive failure
70KIAS
42
Under what conditions would HiNr mode activate?
Above 55KTS is deactivates Activates below 50kts
43
Recommended autorotation speed?
75KIAS
44
Vne floats inflated
80KIAS
45
AFCS Temp limits
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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