The function of the aerodynamic fairings is to make a smooth surface for the air to flow. The material and shape of the aerodynamic fairings are made to decrease drag. Drag is caused by the friction of the air when it flows on and along the surface. Also, the aerodynamic fairings are protective covers for some aircraft components, equipment, and structure.

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The radome is a cone shape fairing made from a composite material. It is installed on the nose of the fuselage at FS220.00. It is an aerodynamic surface for the aircraft and it is also a cover for the weather radar and the glideslope antenna.

The radome has the component that follows:

Nose Radome

The nose radome is made from a honeycomb core between fabric fiberglass plies. There are lightning strips bonded to the surface of the nose radome for static discharge protection.

The nose radome is attached by two hinges at the top of the radome and pivots up to open. Two telescopic rods hold the nose radome open for maintenance functions. The telescopic rods engage with the strut brackets on the inner radome when in the open position. When the nose radome is closed, they are in the stowed position in brackets on the nose fuselage at FS220.00.

Four latches hold the nose radome in the closed position. These latches are flush with the nose radome and they push to open and to close. Two spigots are attached to the edge of the nose radome to make sure that it closes in the correct position. The fuselage to radome joint is sealed by a rubber weather seal.

There is a key lock (optional) installed on bulkhead FS220.00. It is used to lock the radome.

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The wing fairings are found between FS415.22 andFS779.00. There are panels and doors on the fairings that you can remove to get access to equipment, components, and structures. The wing fairings make a smooth aerodynamic shape between the wing and the structure to which they are attached.

The fairings are made from a graphite prepreg. In some areas, a honeycomb core is used for strength. The wing fairings include the components that follow:

Forward Wing-To-Fuselage Fairings

There are three forward wing-to-fuselage fairings. These fairings change the radial shape of the fuselage to the contour of the wing center section. They extend from FS415.22 to FS501.02. The fairings are attached to the bottom of the fuselage and to the wing leading edge. They are attached to the structure with screws.

The three fairings are as follows:

• Forward Panel
• Forward Panel, Left-hand
• Forward Panel, Right-hand.

There are three drains installed on the forward wing-to-fuselage fairings. The right forward-panel has an outflow-valve access door, a refuel/defuel door, and a refuel/defuel control-panel door.

There is a strap on the joint between the left and right forward-panels.

Under-Wing Fairings

There are two under-wing fairings. These fairings change the shape of the bottom of the fuselage from below the wing to the main landing gear. They extend from FS551.77 to FS635.65. The fairings are attached to the bottom of the wing and to the aft wing-to-fuselage fairings, aft of the main landing gear. They are attached to the structure with screws.

The two fairings are as follows:

• Underwing Panel
• Main Landing Gear Bay Panel

The under-wing fairings have two drain holes. The under-wing panel has two circular access panels that give access to the boost pumps.

Aft Wing-To-Fuselage Fairings

There are three aft wing-to-fuselage fairings. These fairings change the shape of the fuselage from the trailing edge of the wing to the contour of the aft fuselage. They extend from FS635.65 to FS779.00 and are attached to the structure with screws.

The three fairings are as follows:

• Aft Panel Forward, Left-hand
• Aft Panel Forward, Right-hand
• Aft Rear Panel

The aft wing-to-fuselage fairings have two drain holes and one drain mast. The forward aft-panel on the right has access panels to the wing isolation valve, ground power, and lavatory-waste service door. The forward aft-panel on the left has an access door to the battery. The aft rear-panel has an aft equipment-compartment door.

There is a strap on the joint between the left and right forward aft-panels.

Over-Wing Fairings

There are four over-wing fairings (two on each side of the aircraft). These fairings attach to the forward wing-to-fuselage fairings, the fuselage above the wing, and the wing. These fairings change the shape of where the top of the wing attaches to the fuselage. They extend from FS503.21 to FS589.48 and are attached to the structure with screws.

The four fairings are as follows:

• Forward Overwing Panel, Left-hand
• Forward Overwing Panel, Right-hand
• Aft Overwing Panel, Left-hand
• Aft Overwing Panel, Right-hand

Maintenance Access Panels

There are two maintenance access panels as follows:

• Forward Maintenance Access-Panel
• Aft Maintenance Access-Panel

The forward maintenance access-panel is found in the forward wing-to-fuselage area. The aft maintenance access-panel is found in the aft wing-to-fuselage area. The forward and aft maintenance access-panels are attached to the structure with screws.

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Component Location Index
IDENT	DESCRIPTION	LOCATION	IPC REF
-	NOSE RADOME	ZONE(S) 111	53-61-01
-	FORWARD WING-TO-FUSELAGE FAIRING	ZONE(S) 181AA	53-63-01
-	FORWARD WING-TO-FUSELAGE FAIRING	ZONE(S) 181AL	53-63-01
-	FORWARD WING-TO-FUSELAGE FAIRING	ZONE(S) 181AR	53-63-01
-	UNDER-WING FAIRING	ZONE(S) 182AA	53-63-05
-	UNDER-WING FAIRING	ZONE(S) 182BB	53-63-05
-	AFT WING-TO-FUSELAGE FAIRING	ZONE(S) 182CL	53-63-09
-	AFT WING-TO-FUSELAGE FAIRING	ZONE(S) 182CR	53-63-09
-	AFT WING-TO-FUSELAGE FAIRING	ZONE(S) 182GG	53-63-09
-	OVER-WING FAIRING	ZONE(S) 183AL	53-63-13
-	OVER-WING FAIRING	ZONE(S) 183AR	53-63-13
-	OVER-WING FAIRING	ZONE(S) 183BL	53-63-13
-	OVER-WING FAIRING	ZONE(S) 183BR	53-63-13

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