Power Sources Flashcards
1
Q
Annunciator lights (except for. ) and Master Reset Button
A
MEDC
2
Q
SHP
TIT
RPM
FF guages
A
MEAC
SEAC
Tach Gen
BUS A
3
Q
Turbine inlet overtemp test switch
Cal A / B Switch
Duct loop test switch
A
SEAC (just below the SEAC TIT guages)
MEAC (toggle switch = AC)
EMDC (anything duct = EMDC)
4
Q
Baro Alt Mode C and HSI Mode Lights
A
MEAC
5
Q
Turn Needle
A
MEDC
backup = FEDC with ESS BUS MON switch OFF
6
Q
Marker Beacon Lights
And baro alt. Vibrator
A
MEDC
7
Q
OAT Guage
A
EMDC (because its outside the plane)
8
Q
Stby Attitude Indicator (Peanut Gyro)
A
FEAC
backup = FEDC with ESS BUS MON switch OFF
9
Q
RADALT
A
FEAC
10
Q
Landing gear handle lights and position indicator
A
EMDC
11
Q
Flap Position Indicator
A
Inst Bus 1
12
Q
EFDI
A
MEAC backed up by FEAC
13
Q
AOA Index lights and annunciator
A
MEDC
14
Q
Pedestal
overhead lights
Overhead instrument lights
A
MEAC
15
Q
Step lights
Circuit breaker lights and FE’s Reading light
A
BUS A
28v FLB
16
Q
AP (primary / control)
A
BUS A / MDC
Rack C-1/2
17
Q
Command Bell
A
FEDC
18
Q
Landing lighted and windshield wipers
A
MEAC
19
Q
Taxi, wheel well, wing and tail lights (Nav lights)
A
28v FLB
20
Q
Strobe
A
B: Bus B (primary)
E: EMDC (control)
21
Q
APU Control Switch & Inflight arming switch
A
GOB
22
Q
- APU Exhaust Gas Indicator
- RPM APU Indicator
- Lights Test Switch
A
- Thermocoulpe
- APU Tach Gen
- APU Ess DC
23
Q
Pilot / CP lighting control panels
A
Reference the cross picture (YouTube video)
24
Q
Fuel dump Pump
Valve?
A
BUS A / MDC
MDC
25
Pitot heat switch (pilot and cp) (and heaters)
FEAC (pilot)
| MEAC via 28v FLB (cp)
26
Empennage de-ice. Control switch and wing de-ice mod valve control switches
EMDC
27
Emp de-ice fault guage
BUS A and BUS B
28
Propeller De-ice guage
Bus B
29
Leading edge temp guage and ice detector heater
MEAC
30
Side windshield heat control switches (primary / control)
| Front windshield heat power
BUS A
EMDC
MEAC
(Control relay power = MEDC)
31
AOA Heat Power
MEDC
32
Empennage Deice, side windshield heat and prop deice control relays
EMDC
33
Wing deice mod valves
EMDC
34
Emp cycling strips and parting strips
BUS B
| BUS A
35
Prop Deice Heating Power
BUS B
36
Emp Deice Timer Motor
Engine anti ice valve solenoids
MEAC
MEDC
37
Engine oil system instrument panel
EIEII, 1221
(EMDC, Inst Bus #1 or #2)
Oil quantity guages control power = GOB
38
Ground AC switch (primary / control)
SEDC / MEDC
39
Temperature selector, controller and indicator
MEAC
40
Pressurization ground check switch
MEAC & FEAC
41
Outflow valve
FEAC
42
Heat exchanger fans (primary / control)
| blows me
BUS B / MEDC
43
EDC Dump & Disconnect Solenoids
MEDC
44
Cabin Exaust Fan (primary / control)
| Blows em
Bus B / EMDC
45
Aux Vent Valve (primary / control)
MEAC / MEDC
46
APU Load and shutoff valve
GOB
47
APU Air Override Switch
MEDC
48
Air Multiplier Valve
MEAC
49
#2 & #3 EDC Inlet & Discharge Pressurization indicators
2: Inst Bus 1
3: Inst Bus 2
50
NTS FX valve check switch (in NTS check)
EMDC
51
NTS FX valve check switch (in fx valve check)
MEDC
52
Prop Power Sources
- BAAB
- MEEM
B = prop feather pump #1 (and alternate)
A = prop feather pump #2
A = prop feather pump #3
B = prop feather pump #4 (and alternate)
(BUS A/B)
```
M = Feather Valve Solendoid, Air Start Control Relay and Prop Feather Pump Relays #1
E = #2
E = #3
M = #4
(MEDC/EMDC)
```
53
Autofeather System
EMDC
54
Flight idle stop relay and solenoids
MEDC
55
Fuel Gov & Prop Pitchlock Switches (primary / control)
BUS A / EMDC
56
Oil Cooler Flap Control Switches
MEAC
57
TD Switches (primary / control)
MEAC / SEDC
58
Hydraulic System 1 & 2 px indicator
Sys 1: Inst Bus 1
| Sys 2: Inst Bus 2
59
Hyd pump switches (primary / control)
| BAB MEE
B = hyd pump 1A
A = hyd pump 1
B = hyd pump 2
(BUS A/B)
M = hyd pump 1A
E = hyd pump 1
E = hyd pump 2
(MEDC/EMDC)
60
Hyd Pump 1B
GOB
61
Hyd system quantity indicator
EMDC
62
Forward & Aft Transfer Pump Switch control power
EMDC
63
Fuel Boost Pumps control power
EMDC
64
Crossfeed Valve Switches and Fuel Cross Ship Valve Switch
N/A
65
Fuel Crossfeed Px Indicator primary power
Inst bus 2
66
Fuel gauge test switch
EMDC
67
Fuel quantity guages and totalizer (fligh station)
MEAC
68
Fuel quantity guages (refueling panel)
BUS A
69
Fuel transfer control switch
| Valve?
EMDC
| MDC
70
Main tank valve switches
MEAC
71
Aft Transfer Pump (primary / control)
Forward Transfer Pump (primary / control)
BUS B / EMDC
| BUS A / EMDC
72
Crossfeed & Main Tank Valves
MEAC
73
Fuel Boost Pumps 1 & 3
| Fuel Boost Pumps 2 & 4
BUS A / EMDC
| BUS B / EMDC
74
APU GEN OFF & EXT PWR SWITCH
GOB
75
BUS A MON switch
BUS B MON switch
ESS BUS MON switch
PMG via MEDC
PMG via MEDC
BUS A
76
Inverter & Bat test switch
FEDC
77
Full Load Monitoring
GOB
78
Load Monitoring Relays
MDC
79
Electrical Power CB’s (Powered by MEDC)
- APU ESS BUS FEEDER
- BUS A CNTL
- BUS B CNTL
- GEN 4 TRANS CNTL
- Power sensing
80
Electrical Power CB’s (Powered by GOB)
Ext pwr control
81
Electrical Power CB’s (Powered by FEDC)
GEN 4 AUX CNTL
Inverter Power
Inverter Relay
Ground bus relay
82
Gen 4 control aux relay & power sensing relay
MEDC
83
Ground op bus relay & inverter relay
FEDC
84
Inverter
SEDC
85
Transfer relay 2a and 2b
2a: 2 PMG
2b: MEDC
86
Transfer relay 3a and 3b
3a: 3 PMG
3b: MEDC
87
Transfer relay 4
GOB
88
Transfer relay 5 (primary / control)
MEDC via Gen 4 Trans cb/ GEN 4 Trans cb
89
Transfer relay 6 (primary / control)
MEDC via Gen 4 Trans cb / Gen 4 Trans cb
90
Transfer relay 7
FEDC
91
TR 1, 2, 3
BUS A
BUS B
MEAC
92
Aft Lighting Bus
BUS B
93
APU ESS DC (Primary / Control)
MEDC / GOB
94
SAM Bus Essential DC Feeders, FWD lighting bus, Inst Bus 1 & 2
MEAC
95
No Name Bus (primary / control)
MEAC / FEAC
96
SEAC
| SEDC
MEAC / SEDC via inverter
| MEDC / FEDC via inverter
97
Engine start control panel
SEDC
98
Fire detection and extinguishing panel and warning detector switches
MEDC
HRD’s alt power = EMDC
99
IFF
FEDC
Rack H-1/2
100
RAWS
MEAC/MEDC
Rack B-1/2
101
VHF NAV Recievers
MEAC/MEDC
Rack B-1/2
102
HF Reciever Transmitter
MEAC/MEDC
Rack B-3
103
TAS Computer
MEAC/MEDC
Rack C-1/2
104
TACAN Reciever Transmitter
MEAC/MEDC
Rack C-1/2
105
Synchrophaser
Bus A
Rack C-3
106
RINU G’s (1 and 2)
1: MEAC/
2: Bus A/
Rack H-1/2
107
UHF Reciever Transmitters (1 and 2)
1: MEAC/MEDC
2: BUS A/MDC
Rack F-1
108
VHF/UHF Reciever Transmitter
MEAC/MEDC
Rack J-1/2
