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BH407 > Type Training Slideshow > Flashcards

Type Training Slideshow Flashcards

(86 cards)

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1
Q

The crew and passenger compartment is ___ cm wider than the 206 airframe

A

18 cm

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2
Q

What is the landing gear configuration on the 407 which helps prevent ground resonance?

A

3 point attachment configuration

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3
Q

What is the main rotor diameter of the 407?

A

35 feet

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4
Q

What is the overall length of the 407?

A

41.4 feet

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5
Q

The pitot tube supplies impact air pressure to the airspeed indicator and the ______

A

PRCU - Pedal Restrictor Control Unit

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6
Q

The two static ports are connected together to equalize the static pressure, which is supplied to….

A

Airspeed Indicator
Altimeter
VSI
PRCU (Pedal Restrictor Control Unit)

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7
Q

T or F - The static ports are heated

A

True

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8
Q

With crew doors removed, the indicated altitude may be up to ___ feet lower than the actual altitude

A

100 feet

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9
Q

The maximum operating altitude is ________ Hp or ___________Hd, whichever is lower.

A

20,000’ Hp or 20,000’ Hd
Whichever is lower

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10
Q

What is the maximum rate of climb?

A

2000 feet per minute

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11
Q

What are the slope limitations?

A

10 degrees nose up or side slopes,
5 degrees nose down

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12
Q

What is the autorotation VNE?

A

100 knots

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13
Q

When shall engine anti-ice be on?

A

ENG ANTI ICE shall be ON in visible moisture when OAT is below 5 degrees Celsius

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14
Q

What is the minimum ambient air temperature?

A

-40 degrees for all altitudes

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15
Q

What is the maximum ambient air temperature?

A

51.7 degrees Celsius at sea level and decreases with Hp at a standard rate of 2 degrees per 1000’

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16
Q

What engine is in the 407?

A

Rolls Royce 250-C47B

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17
Q

Do all Custom 407s have IBF and Particle Separators installed?

A

Yes

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18
Q

What does ECU stand for?

A

Electronic Control Unit

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19
Q

What does HMU stand for?

A

Hydro Mechanical Unit

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20
Q

What are 3 things the ECU monitors?

A

MGT (measured gas temperature)
Ng
Hp
Nr
TMOP (engine torque meter oil pressure)
P1 Ambient Pressure
PLA (Power Level Angle)
CIT (Compressor Inlet Temp)
Collective Pitch

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21
Q

When the primary governor fails, the control of the engine is relinquished to the revisionary governor to maintain ____ mode

A

Auto Mode

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22
Q

When the primary governor fails, does the revisionary governor support auto relight?

A

No

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23
Q

When the primary governor fails, does the revisionary governor support automatic start?

A

No

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24
Q

The ECU can detect engine flameout and will attempt auto relight until the engine decays below ___

A

50% Ng

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25
In the alternate start sequence, when do you open the throttle to idle?
16% Ng
26
When do you release the starter in the alternate start sequence?
Release the starter once light off is detected
27
When can you start the helicopter with the FADEC in manual mode?
Manual mode start is used in an EMERGENCY only. Permission required from Transport Canada
28
What are the MGT start limitations?
826 (843) to 927 for 10 seconds Above 927 for 1 second
29
In a FADEC aborted or pilot initiated start, FADEC will keep starter engaged until MGT is below ____
150 degrees C
30
When an exceedance has occurred, what indications will the pilot have?
"E" will appear on the gauge CHECK INSTR light will illuminate
31
How can you check the value of an exceedance?
Depressing the CHECK INSTR light
32
What is the max continuous MGT?
100-727 (green arc)
33
What is the takeoff MGT limitations?
727-779 (yellow arc) for 5 minutes
34
What is the MGT Transient?
780-826 for 12 seconds or 780-905 for 12 seconds *depends on gauge
35
When does the trend arc begin flashing & exceedance recorded for takeoff MGT?
Trend arc flashes after 4.5 minutes in takeoff range, stops at 5 minutes Exceedance recorded after 5 minutes
36
What is the max continuous Ng?
63-105%
37
What is the Ng transient?
105.1-106.5% for 10 seconds
38
What is the maximum continuous torque?
93.5%
39
What is the takeoff torque limitation?
93.5%-100% for 5 minutes
40
What is the torque transient?
105% for 5 seconds
41
What are the caution/warning lights related to the FADEC? (8)
FADEC FAIL FADED DEGRADED FADEC FAULT RESTART FAULT ENGINE OVERSPEED ENGINE OUT AUTO RELIGHT FADEC MANUAL
42
What are the indications of a failure to Reversionary Mode?
FADEC DEGRADE FADEC FAULT RESTART FAULT
43
FADEC DEGRADE, FADEC FAULT, RESTART FAULT lights illuminate. What are the required pilot actions?
Leave in AUTO Fly smoothly and non aggressively Land as soon as practical
44
_______ seconds after failure, FADEC transitions to manual mode
2-7 seconds (time dependent on power state at time of failure)
45
What are the indications of a FADEC failure?
FADEC horn (ding dong) FADEC FAIL caution warning light
46
What are the actions required from the pilot in a FADEC failure?
Match bezel to Ng using collective pitch at low power setting or by advancing throttle twist grip at high power setting if time permits Control RPM with throttle and collective When established in manual mode flight, depress FADEC mode switch to mute horn Land as soon as practical
47
FLY position on the throttle corresponds to _____
90% Ng
48
In a FADEC failure with a high power setting, Ng above 90% , this could result in an _________ 1) Possible Underspeed 2) Minor Change 3) Possible Overspeed
possible underspeed
49
In a FADEC failure in cruise power with a mid power setting, this could result in a ________ 1) Possible Underspeed 2) Minor Change 3) Possible Overspeed
minor change
50
In a FADEC failure with a low power setting on approach or descent, this could result in a _______ 1) Possible Underspeed 2) Minor Change 3) Possible Overspeed
possible overspeed
51
True or False After a FADEC failure, depressing the MODE switch will only mute the horn as the transition has already taken place
True
52
What pilot actions are required if the FADEC DEGRADED light illuminates?
Fly smoothly and non aggressively, remain in AUTO mode Land as soon as practical
53
What pilot actions are required if the FADEC FAULT light illuminates?
Remain in AUTO mode Maintenance action required before next flight
54
What pilot actions are required if the RESTART FAULT light illuminates?
Not able to restart. Attempting to restart may result in a hot start Remain in AUTO mode Land where maintenance is available
55
A RESTART FAULT may be cleared by performing the _________ procedure.
Piston parking procedure
56
What is the avoid range for Np?
68.4-87.1%
57
What is the maximum continuous Np?
100%
58
What is the Np transient?
102.1-107.3% for 15 seconds
59
When will the ENGINE OVSPD light illuminate?
Np is 102.1-107.3% for 2.5 seconds
60
What modes does the FADEC ECU continuously monitor for Np overspeed conditions?
Auto, reversionary and manual modes
61
When the engine reaches 118.5 +/- 1% Np, __________ will occur
Overspeed limiting The overspeed solenoid valve will be activated which reduces fuel to the engine to a minimum flow condition
62
Engine Anti-Ice activates a ______ valve, which directs ______ air into engine inlet vanes to prevent ice build up
solenoid valve, bleed air
63
How many magnetic chip detectors are on the engine?
2
64
How many engine oil filter assemblies are there?
Two Engine Oil Filter CEFA (scavenge filter)
65
True or False Normal engine oil pressure is required to indicate accurate torque value
True
66
What is the yellow arc for on the engine oil pressure gauge?
50-90 psi, operation below 79% Ng
67
What is the red triangle for on the engine oil pressure gauge?
Marks 200 psi, maximum for cold start
68
What pilot actions are required if the engine oil pressure is below minimum?
Monitor engine oil pressure and temperature Land as soon as possible
69
What pilot actions are required if the engine oil pressure is above the maximum or fluctuating abnormally?
Monitor engine oil pressure and temperature Land as soon as practical
70
What is the max glide airspeed for an auto?
80 kts
71
What is the VNE in an auto?
100 kts
72
What is the min sink rate in an auto?
55 kts
73
________ pumps move fuel from the forward cell to the aft cell
transfer pumps
74
________ pumps move fuel from the aft cell through the fuel valve, through the AF fuel filter, CEFA then HMU
boost pumps
75
______ and _______ are on an alternate circuit to continue operating if all DC Bus power is shut off
Left XFR and Left Boost Pump
76
How many fuel quantity probes are there to provide fuel indication to the cockpit?
Three
77
Both boost pumps and XFR pumps incorporate __________ in case of boost/XFR pump failure
check valves
78
If both fuel xfr pumps cease to operate, how much fuel may be trapped in the forward tank?
Up to 151 lbs
79
What does the FUEL FILTER light indicate?
Airframe fuel filter in impending bypass
80
What does the FUEL LOW light indicate?
100 +/- 10 lbs of fuel remain in aft tank
81
What is the recommended minimum battery voltage for start?
24 volts
82
What are the starter limitations when on battery power?
60 seconds on/60 seconds off 60 seconds on/60 seconds off 60 seconds on/30 minutes off
83
What are the starter limitations when on external power?
40 seconds on/30 seconds off 40 seconds on/30 seconds off 40 seconds on/30 minutes off
84
What actions are required by the pilot when GEN FAIL light illuminates?
GEN FIELD and GEN RESET circuit breakers- check IN GEN switch - RESET then ON If power not restored, place GEN switch to OFF, land as soon as practical *With GEN off a fully charged battery will provide approximately 21 minutes of power for basic helicopter and one VHF COMM radio
85
What actions are required by the pilot when an excessive electrical load is observed?
GEN switch - OFF BATT switch - OFF Left FUEL BOOST/XFR circuit breaker switch - ON Airspeed - 60 knots or less Land as soon as practical
86

BH407 (3 decks)

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