Pilot Exterior Preflight LT “Rick James” Holt Preflight.

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