pilot exterior preflight lt “rick james” holt preflight
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Pilot Exterior PreflightPilot Exterior Preflight
LT “Rick James” Holt
Preflight
2
Standard stuff…Standard stuff…
Check for leaks, open panels and general Check for leaks, open panels and general condition as you approach the plane.condition as you approach the plane.
3
Upper Tacan
SRS
HF 1
Tank 5 Drain Mast Vortex
Generator
Dump ChuteASCL 2 ASCL 1
4
Left WingLeft Wing
Beaver Tail
5
Beaver Tail – Venting system designed to create a cooling boundary between engine nacelle and fuel tank
6
Left WingLeft Wing
Fuel Dump Chute
Flap Position (Degrees)
7
Left WingLeft Wing
Vortex Generator
8
FLAP TRACK
FLAP SKID PADRubbing allowed
9
7 Static Wicks “any one off edges, or any two- down”
10
APU Filter
APU Filter Drain + man shut-off APU Fuel Drain ValveAPU Fuel Inlet Line
#2
Boost Pump Press Switch
Boost Pump
Aileron Push-Pull
rod
Aileron Trim
Cables
11
Wing Deice Hot Air discharge louvers
Blade Angle Reference mark
Scored Surface to prevent cracking
12
Centroid RiserPurpose: structural mounting of
wing
Jack Point
Engine BreatherPurpose: escaping
air/pressurize oil tank
13
Flap Jackscrew
Aileron Push-Pull Rod
Fuel Dump Chute
Fuel Dump Valve (MDC)
Transfer Pump
Primary and Secondary Popet
Lines
Landing Gear Emergency
Extension Cable
14
Flap Brake actuation
window (Red dot will appear in the window if brake
set)
Flap Brake (MDC)
Landing Light (MEAC)
Flap Torque Tube
15
Left WingLeft Wing
Flap Carriage Access Panels
Check the roll pins for cracks
16
LeftLeft WingWing
Flap Brake Actuation Indicator
Flap Actuator (Jack Screw)
17
Left WingLeft Wing
Flap BrakeCheck indicator
18
Left WingLeft Wing
Dump Valve
Primary / Secondary Bleed Metering Lines
Flap Torque Tube
Aileron Push Pull RodCheck for scrapes
where there is no roller
19
Left WingLeft Wing
Flap Torque Tube
Aileron Push Pull Rod
Tank 5 Fuel Vent
20
Left WingLeft Wing
Flap Asymmetry Chain
Aileron Trim Cables
21
Left WingLeft Wing
Aileron Trim Cables
MLG Manual Uplock Release Cable
Wing Plenum Anti-Ice Exhaust
22
Left WingLeft Wing
APU Fuel Filter
APU Fuel Filter Drain Valve
APU Manual Fuel Shutoff Valve
23
Left WingLeft Wing
Hydraulic Fluid Heat Exchanger Lines
Landing Gear / Brake Hydraulic Lines
24
Outboard Fuel Tank Vent
Inboard Fuel Tank Vent
Two #5 vent lines are interconnected and plumbed into this vent
Vents are covered with flame arrestors
25
Left WingLeft Wing
Static Discharge Wicks
Fuel Tank Vents
26
Left WingLeft Wing
Fuel Tank Vents
27
Left WingLeft Wing
Landing Light
28
Left WingLeft Wing
External Stores Racks(Wing Pylons)
29
Left WingLeft Wing
NACA Vent intake for cooling air
30
NacellesNacelles
EDC Dump Exhaust Door (Engines 2 & 3) check for hinge (1 &4
have no hinge)
Oil Cooler Air Scoop
Engine Cowl Panel Latches
31
NacellesNacelles
Oil Cooler / “Piccolo Tubes”
Air Exit Duct look for birds nest
Oil Cooler Flap
“Gang” Drain
32
NacellesNacelles
Oil Cooler InletGenerator Cooling Air
Duct / Shutoff Valve …also used to cool eng mounts
33
NacellesNacelles
Forward Spinner
Aft Spinner
Cuff
Island
Check for proper blade angle (should see three
holes)
34
Main Mount Wheel WellMain Mount Wheel Well
General Items:
-Chocks
-Grounding strap
-Tires
35
Counter Measures (If Installed) should see 1 pin per set of
buckets
Mechanical Down Lock Linkage
Bungee Springs – help with freefall extension in flight
Brake Fuse 30 cubic inches of fluid actuates shut off
Fire Shield
Normal Brake Lines
Emergency Brake Line
Look For:Uneven Tread Wear Max Tread Wear: When tread
pattern is worn to the bottom of the tread grooveFlat Spotting: due to prolonged standing
Sidewall conditions: Look for cracks, cuts, abrasions,
bulges, gouges, cord pliesEnough tread for bounce
flight?
Lower drag strut
36
Main Mount Wheel WellMain Mount Wheel Well
Shuttle Valve
Brake Pucks (1,2,3 rule)1. No ONE flush2. No 2 side by side not fluxing3. No THREE total not fluxing with brake actuation.
37
Main Mount Wheel WellMain Mount Wheel Well
Normal Hydraulic Brake Lines
Emergency (Air) Hydraulic Brake Line
38
Main Mount Wheel WellMain Mount Wheel Well
Brake Fuses check the arrow going down toward
the deck
Scissor Switch (Weight On Wheels)
Automatic Safety Downlock Linkage (Mechanical Downlock)
39
Main Mount Wheel WellMain Mount Wheel Well
MLG Door Actuating Cylinder
Look for Hyd leaks
40
Main Mount Wheel WellMain Mount Wheel Well
Upper Drag Strut
Bungee Spring
Lower Drag Strut
41
Main Mount Wheel WellMain Mount Wheel Well
Gear Pin
Upper Jury Strut
Lower Jury Strut
42
TD AMP6. What does this
do?
Check for leaks on the door
actuator
Check orange bolts for leaks
7. What does the orange paint
mean?Check for excessive fluid/leaks
Check bolts
Check spring, this can break
43
Bonding Braids(used for grounding) (4)
Upper Drag Struts
Manual Landing Gear release cable
Uplock
44
Lower Drag Strut
Bungee Spring
Gear Actuator(Behind): Look for any hyd. fluid, downing discrepancy
Mechanical Gear Release Cable
Down Lock Switch
Swivel Joint
Jury Strut
45
Brake Pucks:8. Bad if ?
Shuttle Valves
Oleo 4-5” min
46
Main Mount Wheel WellMain Mount Wheel Well
HRD Pressure Gauges
47
Main MountMain MountWheel WellWheel Well
“Pie Pans”
E handle cables (normally covered)
48
EDC Plumbing
E-Handle + power lever cables inside
Bleed Air plumbing
Bleed air Valve (SEDC)
Pie Pan(access point to hot
section)
Fire Sensing Element
Hydrostatic Tester case
5. Which nacelle is this?
49
HRD Bottles (500psi Min)
HRD Discharge line
50
Main Mount Wheel WellMain Mount Wheel Well
Pie Pans
E handle cables (covered)
51
NoseNose
52
Heat Exchanger intake vent
EDC Dump Door(Sealed Shut
on 1&4)
Oil Tank Access Panel Sys Cap 15.75 gallon Usable 8.65 foaming space 5.7 unusable 1.4
NACA Vent
Lab Seal- during engine shutdown, ports engine oil
Gang Drain, outboard engines don’t have engine breather, use gang drain
Make sure it is secure, a common access point for maintainers
53
5th Stage Discharge Port
3. Purpose?
“A” panel, make sure it is secure, a common access point for maintainers
Oil Cooler Intake
Oil Cooler Exhaust/Door
Gang Drain
Lab Seal Vent (eng oil)
54
View from under the prop aft spinner. It is normal to have the “X” safety
wire, also ok if it is around the perimeter. Drain Plug for the prop
control.
55
#4 Prop
Forward Spinner (Continuously
Heated during prop deice)
Island
Cuff
Spinner Skirt
Blade(Base is scored to prevent cracking)
56
Oil Cooler
Generator Cooling Door (Mechanical Function of the E-Handle) 4. Question, is there one on #1 engine, and if so, what is the function?
57
NoseNose
Bomb Bay Safety Switch / Pin
58
NoseNose
Air Multiplier Package
AMP Oil Level Window
59
NoseNose
APU Safety Switch
Port Heat Exchanger Exhaust
60
TAS Probe
Pilot Pitot Tube
61
10. Limit?
62
Air Multiplier Turbine (Check for cracks,
scores, obstructions, missing blades)
63
64
Bomb Bay Safety Pin
Hydraulic Fluid Mechanical cut-out
65
NoseNose
Port Heat Exchanger Ram Air Inlet / Aux Vent
66
NoseNose
LH Pitot Tube
TAS Probe
67
NoseNose
AIP Countermeasures Dispenser - Nose
(Blankoff Plate shown)
68
NoseNose
Taxi Lights
NWS Actuator Cylinder
NWS Actuator Cables
69
NoseNose
Tow Bar Attachment
Nose Wheel Steering Cylinder
70
NoseNose
Aux Vent Valve
71
NoseNose
Battery
72
NoseNose
APU Fire Bottle
73
NoseNose
Optical Sensor Converters
74
NoseNose
Stbd Pitot Tube
Ice Detector Probe
Stbd Heat Exchanger Ram Air Inlet
75
Atmospheric Vent cabin press control
Check for no tape
Copilot Pitot Tube
Icing probe
ALE 47 “Bug-eye” (OSC)
Satcom(Batwing)
SRSAPU Intake Door
SRS
UHF-1
76
NoseNose
Tie Down Hardpoint
APU Exhaust Door
Stbd Heat Exchanger Exhaust
77
FuselageFuselage
AOA Probe
78
RightRight WingWing
79
RightRight WingWing
Fueling Panel
Pressure Fueling Connectors
80
FuselageFuselage
Tank 5 Drain Mast
81
FuselageFuselage
HSC
Sono Disable Door
82
HydraulicHydraulic ServiceService CenterCenter
#2 Hydraulic reservoir
#1 Hydraulic reservoir
#2 Hydraulic Quantity Gauge #1 Hydraulic Quantity
Gauge
83
HydraulicHydraulic ServiceService CenterCenter
Emergency Air Brake Bottle
Flap Asymmetry Valve
84
HydraulicHydraulic ServiceService CenterCenter
Landing Gear Control Valve
Emergency Main Landing Gear
Release Handle
85
HydraulicHydraulic ServiceService CenterCenter
Hydraulic Pump
86
HydraulicHydraulic ServiceService CenterCenter
Hydraulic Pump
87
HydraulicHydraulic ServiceService CenterCenter
88
HydraulicHydraulic Service CenterService CenterAileron Boost PackageAileron Boost Package
89
Hydraulic Service CenterHydraulic Service Center
Hydraulic Filter
Brake Accumulator
Hydraulic Pressure transmitters
90
Hydraulic Service CenterHydraulic Service Center
Hydraulic PumpHydraulic Filters
Delta P
91
Hydraulic Service CenterHydraulic Service Center
Hydraulic Flap Motor
92
FuselageFuselage
Sonobuoy Safety Switch
93
EmpennageEmpennage
“Hell Hole”(Access to rudder & aileron booster pkgs)
94
FuselageFuselage
Wing length picAIP Aft
Countermeasures Dispenser
(blankoff plate shown)
95
Tank 5 Drain Mast
Fuel Cavity Vent
Fuel Cavity Vent
Fuel Cavity Vent
96
Flux Valve9. Purpose?
SU-164/AAR-47 Optical Sensor-Converter for
MWS
MAD Boom(Look to insure not bent) Crash locator
HF-1
HF-2
VOR Loop
UHF-2 Lower
UHF-2 UpperVHF Upper (imbedded)
97Force Link Tab SRS Antenna
(Ask an O-4)
98
Head Vent
Sat com antennaSRS Antenna
99
EBB Discharge Port(no leakage allowed)
100
Fuel Tank Vents(nothing should be coming out except
air)
101
FuselageFuselage
102
FuselageFuselage
Port Static Ports(plugs installed)
103
FuselageFuselage
HF Antenna Slip Mark
104
EmpennageEmpennage
Force Link TabElevator Trim Tab
Rudder Trim Tab
HF Antennas
105
FuselageFuselage
Negative Pressure Relief Valve Air Inlet
“Hell Hole”
106
The EndThe End
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