Chapter 1 (Airfraime Construction)

studied byStudied by 3 people
0.0(0)
get a hint
hint

Aircraft structures

1 / 114

encourage image

There's no tags or description

Looks like no one added any tags here yet for you.

115 Terms

1

Aircraft structures

The components and framework that make up an aircraft.

New cards
2

Aircraft construction techniques

The methods and processes used to build an aircraft.

New cards
3

General aircraft structures

Common items incorporated in aircraft structures.

New cards
4

Pressurization

The process of increasing the air pressure inside an aircraft to allow for flying at high altitudes.

New cards
5

Lifting

The force that allows an aircraft to rise and stay in the air.

New cards
6

Permitted cycles

The number of times an aircraft structure can undergo pressurization cycles before it is limited.

New cards
7

Corrosion

The process of gradual deterioration of a material due to chemical reactions with its environment.

New cards
8

Fretting

The wear and damage caused by repeated rubbing or friction between two surfaces.

New cards
9

Cracking

The formation of small breaks or fractures in a material.

New cards
10

Pitting

The formation of small holes or depressions on a surface.

New cards
11

Engineers Inspection Responsibility

The duty of engineers to inspect the surrounding structure for signs of corrosion, fretting, cracking, pitting, and other defects.

New cards
12

Structural defect

A flaw or weakness in the structure of an aircraft.

New cards
13

Logbook

A record of maintenance and inspections performed on an aircraft.

New cards
14

Approved drawing

A technical drawing that has been authorized for use in the construction or maintenance of an aircraft.

New cards
15

End loads

Loads or forces applied to the ends of structural members.

New cards
16

Side loads

Loads or forces applied to the sides of structural members.

New cards
17

Compression

A stress that pushes or squeezes a material, causing it to become shorter or more compact.

New cards
18

Tension

A stress that pulls or stretches a material, causing it to become longer or more elongated.

New cards
19

Shear

A stress that causes one layer of a material to slide or shift in relation to another layer.

New cards
20

Bending

A stress that causes a material to curve or deform.

New cards
21

Twisting (torsion)

A stress that causes a material to twist or rotate.

New cards
22

Fail-safe

A design concept that ensures the structure can still function even if one component fails.

New cards
23

Damage tolerance

A design concept that allows the structure to withstand serious damage without failure until the damage is detected.

New cards
24

Fatigue indexing

A design concept that takes into account the effects of cyclic loading and fatigue on the structure.

New cards
25

Spar

The main spanwise member of an aircraft's wing or tail.

New cards
26

Stringer

A stiffener that helps sheet materials carry loads along their length.

New cards
27

Bulkhead

A partition within the aircraft's structure that provides structural support and separates different sections.

New cards
28

Station numbers

Numbers used to indicate the positions of components within the aircraft's structure.

New cards
29

Safe life

The estimated period during which a component is considered unlikely to fail.

New cards
30

Crack stopper

A reinforcing member placed to reduce the rate of crack propagation.

New cards
31

Aerodynamic loading

The loads imposed on an aircraft during flight.

New cards
32

Static loading

The loads imposed on an aircraft when it is stationary.

New cards
33

Fuselage

The main structure or body of an aircraft.

New cards
34

Truss type

A type of fuselage construction that uses a rigid framework made up of beams, struts, and bars.

New cards
35

Monocoque type

A type of fuselage construction where the skin carries most of the structural load.

New cards
36

Semi-monocoque type

A type of fuselage construction where the skin and framework share the structural load.

New cards
37

Monocoque Construction

A type of aircraft construction where the skin carries the primary stresses, using formers, frame assemblies, and bulkheads to give shape to the fuselage.

New cards
38

Semi-Monocoque Construction

A modification of monocoque construction where the skin is reinforced by longitudinal members, in addition to formers, frame assemblies, and bulkheads.

New cards
39

Bulkheads

Vertical structural members located at intervals in the fuselage to carry concentrated loads and attach other units.

New cards
40

Frames

Vertical structural members located at intervals in the fuselage to carry concentrated loads and attach other units.

New cards
41

Formers

Vertical structural members located at intervals in the fuselage to give shape to the fuselage.

New cards
42

Longerons

Structural members that take primary bending loads in the fuselage, usually extending across several points of support.

New cards
43

Stringers

Smaller and lighter than longerons, these longitudinal members serve as fill-ins, giving shape and attaching the skin.

New cards
44

Stressed Skin

The metal skin or covering of the fuselage that is riveted to the longerons, bulkheads, and other structural members, carrying part of the load.

New cards
45

Machined Skins

A method of manufacturing aircraft skins where non-riveted areas are machined to reduce weight while retaining strength in the riveted areas.

New cards
46

Chemically Etched Skins

A method of manufacturing aircraft skins where the metal between doubler plates is chemically etched to produce a thin portion of skin, reducing weight.

New cards
47

Milled Structure

A process of manufacturing an integrally constructed skin using a milling process, reducing the number of joints and ensuring smoother airflow over the wing.

New cards
48

Soundproofing

The use of lining panels and blankets made of fiberglass material to insulate the aircraft interior from low ambient temperatures and soundproof it from exterior aircraft noises.

New cards
49

Insulation Blankets

Fiberglass layers encased in a neoprene coated outer fabric that are attached to the cabin structure to insulate and soundproof the interior.

New cards
50

Fasteners

Methods of attaching insulation blankets to the cabin structure, including clip and stud, Velcro fastening strips, and cementing.

New cards
51

Passenger Cabin Lining

The use of insulation blankets behind cabin sidewall panels to insulate and soundproof the interior of the passenger cabin.

New cards
52

Aircraft Doors

Doors on an aircraft that provide access to the interior or exterior of the aircraft.

New cards
53

Non Pressurized Aircraft

Aircraft that do not have pressurized cabins.

New cards
54

Outward Opening Door

A door that opens towards the outside of the aircraft.

New cards
55

Inward Opening Door

A door that opens towards the inside of the aircraft.

New cards
56

Pressurized Aircraft

Aircraft that have pressurized cabins.

New cards
57

Differential Pressure

The difference in pressure between the inside and outside of the aircraft.

New cards
58

Load

The force exerted on a structure or component.

New cards
59

Fuselage

The main body of an aircraft.

New cards
60

Hydraulic

Relating to or operated by a fluid, usually a liquid, under pressure.

New cards
61

Air Conditioning

The process of controlling the temperature, humidity, and air quality in an enclosed space.

New cards
62

Emergency Exit Door

A door specifically designed for passengers to exit the aircraft in case of an emergency.

New cards
63

Hinges

A movable joint or mechanism on which a door swings or rotates.

New cards
64

Cargo Door

A door specifically designed for loading and unloading cargo from an aircraft.

New cards
65

APU Access

Access to the Auxiliary Power Unit, which provides power to the aircraft when the engines are not running.

New cards
66

Landing Gear

The undercarriage of an aircraft that supports it during landing and takeoff.

New cards
67

Elevator Controls

Controls used to move the elevator surfaces on an aircraft, which control pitch.

New cards
68

Access Doors

Doors that provide quick access to equipment and compartments within the aircraft.

New cards
69

Inspection Plates

Plates that can be removed to allow for inspection or maintenance of specific areas or components.

New cards
70

Pressure Doors

Doors that are designed to withstand pressure differentials.

New cards
71

Non Pressure Doors

Doors that are not designed to withstand pressure differentials.

New cards
72

Transparent Panels

Panels made of a material that allows light to pass through, such as windows.

New cards
73

Polishing

The process of making a surface smooth and shiny by rubbing it.

New cards
74

Optical Standards

Standards related to the quality and clarity of light transmission through a material.

New cards
75

Flight Compartment

The area of the aircraft where the pilots and flight crew are located.

New cards
76

Passenger Cabin

The area of the aircraft where the passengers are seated.

New cards
77

Scratch

A mark or damage on a surface caused by scraping or rubbing.

New cards
78

Acrylic Sheet

A type of transparent plastic material commonly used in aircraft windows.

New cards
79

Crazing

A network of fine cracks on the surface of a material.

New cards
80

Stress Crazing

Crazing that occurs on the tension surface of a stressed panel.

New cards
81

Attachment Hole Clearance

The space or gap provided around attachment holes to accommodate thermal expansion or contraction.

New cards
82

Solvent Crazing

Crazing caused by the chemical action of substances on a material.

New cards
83

Cleaning

The process of removing dirt or contaminants from a surface.

New cards
84

Flight Compartment Windows

Windows in the flight compartment of an aircraft that are designed and constructed to withstand internal cabin pressures.

New cards
85

Windscreen

The front window of the flight compartment, usually constructed of layers of glass, vinyl, acrylic plastics, and other materials.

New cards
86

Heater Element

Electrical heating elements sandwiched between the layers of the windscreen for anti-ice protection.

New cards
87

Bolting

Attaching the windscreen to the structure by assembling it into an integral frame that is bolted to the structure.

New cards
88

Retainer

Strips or assemblies used to fix the windscreen into place in the structure.

New cards
89

Laminated Construction

The construction of flight compartment windows using layers of toughened glass on the outside and vinyl layers on the inside.

New cards
90

Passenger Compartment Windows

Windows in the passenger cabin area of an aircraft that are designed differently from flight compartment windows.

New cards
91

Fail-Safe

Design requirements for passenger compartment windows to withstand pressure acting upon them and prevent loss of cabin pressurization.

New cards
92

Window Frame

The structure to which the passenger window frames are attached and act as a load distribution point.

New cards
93

Retaining Bolts

Bolts used to retain both the inner and outer panes of the passenger window in the window frame structure.

New cards
94

Cargo Holds

Compartments in an aircraft for storing cargo, divided into containerized compartments and bulk cargo compartments.

New cards
95

Containerized Compartments

Cargo compartments where luggage or freight is loaded into containers before being loaded into the aircraft.

New cards
96

Bulk Cargo Compartments

Cargo compartments that require various components within the aircraft structure to restrain the movement of smaller items of cargo.

New cards
97

Empennage

The tail section of an aircraft, consisting of a tail cone, fixed surfaces, and movable surfaces.

New cards
98

Tail Cone

The part of the empennage that serves to close and streamline the aft end of the fuselage.

New cards
99

Stabilizers

Fixed surfaces in the empennage that help steady the aircraft, including horizontal and vertical stabilizers.

New cards
100

Moveable Surfaces

Surfaces in the empennage that can be moved to help direct an aircraft's flight, such as rudder and elevators.

New cards

Explore top notes

note Note
studied byStudied by 172 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 6 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 5 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 116 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 9 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 178 people
Updated ... ago
5.0 Stars(2)
note Note
studied byStudied by 7 people
Updated ... ago
5.0 Stars(1)
note Note
studied byStudied by 2627 people
Updated ... ago
5.0 Stars(3)

Explore top flashcards

flashcards Flashcard26 terms
studied byStudied by 10 people
Updated ... ago
5.0 Stars(3)
flashcards Flashcard22 terms
studied byStudied by 4 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard61 terms
studied byStudied by 4 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard95 terms
studied byStudied by 63 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard40 terms
studied byStudied by 4 people
Updated ... ago
4.0 Stars(1)
flashcards Flashcard45 terms
studied byStudied by 7 people
Updated ... ago
5.0 Stars(1)
flashcards Flashcard20 terms
studied byStudied by 22 people
Updated ... ago
5.0 Stars(2)
flashcards Flashcard76 terms
studied byStudied by 29 people
Updated ... ago
5.0 Stars(2)