Pilot%20Exterior%20Preflight

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Pilot Exterior Preflight
LT Rick James Holt Preflight
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Standard stuff
Check for leaks, open panels and general
condition as you approach the plane.
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HF 1
SRS
Upper Tacan
Tank 5 Drain Mast
Dump Chute
Vortex Generator
ASCL 2
ASCL 1
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Left Wing
Beaver Tail
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Beaver Tail Venting system designed to create a
cooling boundary between engine nacelle and fuel
tank
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Left Wing
Fuel Dump Chute
Flap Position (Degrees)
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Left Wing
Vortex Generator
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FLAP SKID PAD Rubbing allowed
FLAP TRACK
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7 Static Wicks any one off edges, or any two-
down
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Aileron Trim Cables
APU Filter
Boost Pump Press Switch
Boost Pump
APU Fuel Inlet Line 2
APU Fuel Drain Valve
Aileron Push-Pull rod
APU Filter Drain man shut-off
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Wing Deice Hot Air discharge louvers
Scored Surface to prevent cracking
Blade Angle Reference mark
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Centroid Riser Purpose structural mounting of
wing
Jack Point
Engine Breather Purpose escaping air/pressurize
oil tank
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Landing Gear Emergency Extension Cable
Flap Jackscrew
Fuel Dump Chute
Fuel Dump Valve (MDC)
Aileron Push-Pull Rod
Primary and Secondary Popet Lines
Transfer Pump
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Flap Brake actuation window (Red dot will appear
in the window if brake set)
Flap Brake (MDC)
Flap Torque Tube
Landing Light (MEAC)
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Left Wing
Flap Carriage Access Panels Check the roll pins
for cracks
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Left Wing
Flap Brake Actuation Indicator
Flap Actuator (Jack Screw)
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Left Wing
Flap Brake Check indicator
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Left Wing
Flap Torque Tube
Dump Valve
Aileron Push Pull Rod Check for scrapes where
there is no roller
Primary / Secondary Bleed Metering Lines
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Left Wing
Flap Torque Tube
Tank 5 Fuel Vent
Aileron Push Pull Rod
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Left Wing
Flap Asymmetry Chain
Aileron Trim Cables
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Left Wing
Aileron Trim Cables
MLG Manual Uplock Release Cable
Wing Plenum Anti-Ice Exhaust
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Left Wing
APU Fuel Filter
APU Fuel Filter Drain Valve
APU Manual Fuel Shutoff Valve
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Left Wing
Hydraulic Fluid Heat Exchanger Lines
Landing Gear / Brake Hydraulic Lines
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Vents are covered with flame arrestors
Outboard Fuel Tank Vent
Inboard Fuel Tank Vent
Two 5 vent lines are interconnected and plumbed
into this vent
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Left Wing
Static Discharge Wicks
Fuel Tank Vents
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Left Wing
Fuel Tank Vents
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Left Wing
Landing Light
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Left Wing
External Stores Racks (Wing Pylons)
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Left Wing
NACA Vent intake for cooling air
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Nacelles
EDC Dump Exhaust Door (Engines 2 3) check for
hinge (1 4 have no hinge)
Engine Cowl Panel Latches
Oil Cooler Air Scoop
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Nacelles
Oil Cooler / Piccolo Tubes Air Exit Duct look
for birds nest
Gang Drain
Oil Cooler Flap
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Nacelles
Oil Cooler Inlet
Generator Cooling Air Duct / Shutoff Valve also
used to cool eng mounts
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Nacelles
Island
Forward Spinner
Check for proper blade angle (should see three
holes)
Cuff
Aft Spinner
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Main Mount Wheel Well

• General Items
• Chocks
• Grounding strap
• Tires

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Counter Measures (If Installed) should see 1 pin
per set of buckets
Bungee Springs help with freefall extension in
flight
Brake Fuse 30 cubic inches of fluid actuates
shut off
Mechanical Down Lock Linkage
Lower drag strut
Look For Uneven Tread Wear Max Tread Wear When
tread pattern is worn to the bottom of the tread
groove Flat Spotting due to prolonged
standing Sidewall conditions Look for cracks,
cuts, abrasions, bulges, gouges, cord
plies Enough tread for bounce flight?
Fire Shield
Emergency Brake Line
Normal Brake Lines
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Main Mount Wheel Well
Shuttle Valve
Brake Pucks (1,2,3 rule) 1. No ONE flush 2. No 2
side by side not fluxing 3. No THREE total not
fluxing with brake actuation.
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Main Mount Wheel Well
Emergency (Air) Hydraulic Brake Line
Normal Hydraulic Brake Lines
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Main Mount Wheel Well
Scissor Switch (Weight On Wheels)
Brake Fuses check the arrow going down toward the
deck
Automatic Safety Downlock Linkage (Mechanical
Downlock)
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Main Mount Wheel Well
MLG Door Actuating Cylinder Look for Hyd leaks
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Main Mount Wheel Well
Upper Drag Strut
Bungee Spring
Lower Drag Strut
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Main Mount Wheel Well
Upper Jury Strut
Gear Pin
Lower Jury Strut
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Check orange bolts for leaks 7. What does the
orange paint mean?
TD AMP 6. What does this do?
Check for excessive fluid/leaks
Check for leaks on the door actuator
Check spring, this can break
Check bolts
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Bonding Braids(used for grounding) (4)
Manual Landing Gear release cable
Upper Drag Struts
Uplock
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Mechanical Gear Release Cable
Swivel Joint
Gear Actuator(Behind) Look for any hyd. fluid,
downing discrepancy
Down Lock Switch
Jury Strut
Bungee Spring
Lower Drag Strut
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Oleo 4-5 min
Shuttle Valves
Brake Pucks 8. Bad if ?
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Main Mount Wheel Well
HRD Pressure Gauges
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Main MountWheel Well
Pie Pans
E handle cables (normally covered)
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Fire Sensing Element
Pie Pan(access point to hot section)
E-Handle power lever cables inside
Bleed air Valve (SEDC)
Bleed Air plumbing
Hydrostatic Tester case 5. Which nacelle is this?
EDC Plumbing
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HRD Bottles (500psi Min)
HRD Discharge line
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Main Mount Wheel Well
Pie Pans
E handle cables (covered)
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Nose
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Oil Tank Access Panel Sys Cap 15.75 gallon
Usable 8.65 foaming space 5.7 unusable 1.4
NACA Vent
EDC Dump Door(Sealed Shut on 14)
Make sure it is secure, a common access point for
maintainers
Lab Seal- during engine shutdown, ports engine oil
Gang Drain, outboard engines dont have engine
breather, use gang drain
Heat Exchanger intake vent
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5th Stage Discharge Port 3. Purpose?
A panel, make sure it is secure, a common
access point for maintainers
Lab Seal Vent (eng oil)
Oil Cooler Intake
Oil Cooler Exhaust/Door
Gang Drain
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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.
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4 Prop
Blade(Base is scored to prevent cracking)
Island
Forward Spinner (Continuously Heated during prop
deice)
Spinner Skirt
Cuff
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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?
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Nose
Bomb Bay Safety Switch / Pin
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Nose
Air Multiplier Package
AMP Oil Level Window
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Nose
APU Safety Switch
Port Heat Exchanger Exhaust
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TAS Probe
Pilot Pitot Tube
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10. Limit?
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Air Multiplier Turbine (Check for cracks, scores,
obstructions, missing blades)
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(No Transcript)
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Hydraulic Fluid Mechanical cut-out
Bomb Bay Safety Pin
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Nose
Port Heat Exchanger Ram Air Inlet / Aux Vent
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Nose
TAS Probe
LH Pitot Tube
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Nose
AIP Countermeasures Dispenser - Nose (Blankoff
Plate shown)
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Nose
NWS Actuator Cables
Taxi Lights
NWS Actuator Cylinder
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Nose
Nose Wheel Steering Cylinder
Tow Bar Attachment
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Nose
Aux Vent Valve
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Nose
Battery
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Nose
APU Fire Bottle
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Nose
Optical Sensor Converters
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Nose
Stbd Heat Exchanger Ram Air Inlet
Ice Detector Probe
Stbd Pitot Tube
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UHF-1
Satcom(Batwing)
Atmospheric Vent cabin press control Check for no
tape
SRS
ALE 47 Bug-eye (OSC)
Icing probe
Copilot Pitot Tube
SRS
APU Intake Door
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Nose
Tie Down Hardpoint
Stbd Heat Exchanger Exhaust
APU Exhaust Door
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Fuselage
AOA Probe
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Right Wing
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Right Wing
Fueling Panel
Pressure Fueling Connectors
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Fuselage
Tank 5 Drain Mast
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Fuselage
HSC
Sono Disable Door
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Hydraulic Service Center
2 Hydraulic Quantity Gauge
1 Hydraulic Quantity Gauge
2 Hydraulic reservoir
1 Hydraulic reservoir
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Hydraulic Service Center
Emergency Air Brake Bottle
Flap Asymmetry Valve
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Hydraulic Service Center
Emergency Main Landing Gear Release Handle
Landing Gear Control Valve
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Hydraulic Service Center
Hydraulic Pump
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Hydraulic Service Center
Hydraulic Pump
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Hydraulic Service Center
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Hydraulic Service CenterAileron Boost Package
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Hydraulic Service Center
Hydraulic Pressure transmitters
Brake Accumulator
Hydraulic Filter
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Hydraulic Service Center
Hydraulic Pump
Hydraulic Filters
Delta P
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Hydraulic Service Center
Hydraulic Flap Motor
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Fuselage
Sonobuoy Safety Switch
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Empennage
Hell Hole (Access to rudder aileron booster
pkgs)
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Fuselage
Wing length pic
AIP Aft Countermeasures Dispenser (blankoff plate
shown)
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Fuel Cavity Vent
Fuel Cavity Vent
Fuel Cavity Vent
Tank 5 Drain Mast
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VHF Upper (imbedded)
UHF-2 Upper
HF-1
VOR Loop
MAD Boom(Look to insure not bent)
Crash locator
SU-164/AAR-47 Optical Sensor-Converter for MWS
HF-2
Flux Valve 9. Purpose?
UHF-2 Lower
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Force Link Tab
SRS Antenna (Ask an O-4)
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SRS Antenna
Sat com antenna
Head Vent
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EBB Discharge Port(no leakage allowed)
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Fuel Tank Vents(nothing should be coming out
except air)
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Fuselage
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Fuselage
Port Static Ports (plugs installed)
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Fuselage
HF Antenna Slip Mark
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Empennage
HF Antennas
Rudder Trim Tab
Force Link Tab
Elevator Trim Tab
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Fuselage
Hell Hole
Negative Pressure Relief Valve Air Inlet
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The End