volume 4

Question 1

what is the empennage composed of

Answer 1

vertical, and horizontal stabilizers

Question 2

what reduces sway or “yaw” on an a/c

Answer 2

vertical stabilizer

Question 3

what on an a/c is designed to reduce “Pitch” (up and down) of a/c

Answer 3

horizontal stabilizer

Question 4

if the pilot wants to move to the right, what happens to the ailerons

Answer 4

the right aileron moves up and the left aileron moves down

Question 5

what “controls” pitch

Answer 5

Elevators

Question 6

what “controls” yaw

Answer 6

rudder

Question 7

what are tabs

Answer 7

small airfoils in the trailing edge of the control surfaces that aid and position the surfaces in flight

Question 8

spoilers are used to do what

Answer 8

serve as airbrakes, to Kill (spoil) the lifting force when on the ground during high winds

Question 9

what is a stringers chief use

Answer 9

to give shape to the a/c and provide a means for attaching the skin to the structure

Question 10

what gives cross-sectional shape to the fuselage and add strength and rigidity to the structure

Answer 10

Bulkheads

Question 11

what are the longest and strongest structural members on an a/c

Answer 11

longerons

Question 12

what are the main lengthwise structural members of the wings, providing strength

Answer 12

Spars

Question 13

what are lengthwise members that are smaller and lighter than the spars and serve as fill-ins

Answer 13

stringers

Question 14

what provides contour or shape of the wing and adds rigidity and cross sectional strength to the structure

Answer 14

ribs

Question 15

what is a buttock line

Answer 15

BL indicate vertical planes parallel to the plane of symmetry

Question 16

Proper procedures for filling out 781- series forms are contained in TO

Answer 16

TO 00-20-1 Aerospace Equipment Maintenance Inspection Documentation Policies and Procedures

Question 17

what is the minimum signature used for most forms

Answer 17

first name initial. complete last name and employee #

Question 18

When recording dates on 781-series you write it..

Answer 18

year, month day

Question 19

what does a RED X denote

Answer 19

indicates a/c is considered “Unsafe” or unfit for flight. can not be flown til discrepancy is fixed

Question 20

what does a RED - denote

Answer 20

indicates the condition of the equipment is unknown.

could also indicate an inspection or eval is required.

Question 21

Red dashes are often used in our career field to document __ ___ on sealed or fiberglass repairs

Answer 21

cure check

Question 22

what does a RED / mean

Answer 22

Indicates an unsatisfactory condition that may affect the flying safety or the flying efficiency of the a/c. is not urgent or dangerous enough to ground a/c.

Question 23

how is a RED / entered into the appropriate block

Answer 23

from the Upper right corner to the Lower left corner

Question 24

what is required when upgrading a symbol

Answer 24

upgrade the symbol, line out other individuals name, enter your signature, grade and employee # above or beside the signature block

Question 25

****what happens if someone wants to Downgrade a symbol

Answer 25

if any supervisory personnel believe the condition is less serious than represented by the symbol, the matter is brought to the attention of the commander or designated representative

Question 26

Who can authorize a downgrade of the symbol entries if appropriate

Answer 26

the commander

Question 27

are Red X entries entered or transferred to the AFTO Form 781 K

Answer 27

NO

Question 28

*****what does the AFTO Form 781H do

Answer 28

shows the current status of the a/c and serves as a ready reference to the servicing, maintenance and inspection history

Question 29

*****Nicks (chips); a chipped area has a rough or grained appearance readily detectible in____ light

Answer 29

reflected light

Question 30

*****Delaminations arefound in glass and ____ plastics

Answer 30

laminated

Question 31

****what is a delamination

Answer 31

is a separation of the outer or inner face ply and the vinyl core

Question 32

****what is meant by repairable by patching for composites

Answer 32

any damage exceeding negligible damage limits that can be repaired by bridging the damaged area or component with a splice material...

Question 33

what is meant by repairable by insertion for composites

Answer 33

can be repaired by cutting away a damaged section, replacing the removed portion with a like section of the damaged component and securing the insertion with splices at each end

Question 34

what does a class I dmg mean for fiberglass

Answer 34

is a scar, scratch, surface abrasion, or minor damage not penetrating through the first ply

Question 35

***what is a Class II fiberglass damage

Answer 35

consists of damage extending through two or more plies of the facing, or completely through one facing and possibly into the core

Question 36

what is a class III fiberglass damage

Answer 36

when the facings and core have been damaged

Question 37

what are the classifications for Aramid, Graphite and boron

Answer 37

classified as either negligible or repairable based on whether or not broken filaments are part of the damage

Question 38

what TO do you use to determine which of two types of damage classifications to use on plastics

Answer 38

TO 1-1A-12 Fabrication, Maintenance and Repair of Transparent plastics

Question 39

T/F: surface imperfections caused by lint impression are acceptable provided they do not impair vision or cause localized distortion

Answer 39

True

Question 40

****When making a metal repair, follow the fundamental rules to maintain...

Answer 40

original strength of the structure (this is your main concern)

Question 41

What is TO 1-1A-1

Answer 41

General Manual for Structural Repair

Question 42

****How do you determine the diameter of the rivet to use for repairs

Answer 42

1. refer to the rivets in the next paralleled rivet row, "inboard" on the wing and "forward" on fuselage 2. Multiply the thickness of the skin by 3. then use nearest "larger-sized" rivet

Question 43

***Allow a gap clearance from __-inch minimum to ___-inch maximum between the edges of the filler and the skin for flush repairs

Answer 43

1/64" to 1/32"

Question 44

****When nonflush skin repairs are used in areas of aerodynamic importance, they are considered..

Answer 44

Temporary repairs and must be replaced as soon as practical

Question 45

****When making a cutout near or over a substructural member, the two most important factors are

Answer 45

* *1. Edge distance from the cutout to the nearest fastener | 2. Allowances for the fastener spacing required in the filler and doubler

Question 46

****When chain drilling, materials requiring a high degree of drilling pressure (s/s & Ti) a No. ____ twist drill is the ____ twist drill used

Answer 46

#30 is the smallest used

Question 47

***The preferred method of removing damaged skin over a substructural member is to use a ....

Answer 47

Skin Knife

Question 48

What thickness of metal is a skin knife usually used on

Answer 48

.025" and thinner

Question 49

****what is the recommended edge distance for a repair

Answer 49

2 1/2 times the rivet diameter

Question 50

what is the smallest and largest spacing allowed for rivet spacing

Answer 50

smallest is 4x the rivet diameter | largest is 10x

Question 51

Row spacing must not be less than___times the rivet diameter nor more than the largest rivet spacing within either row

Answer 51

2 1/2 times

Question 52

***The second row's location on a circular repair is equal to the radius of the cutout, plus ____ distance, plus ___ % of the rivet spacing used to locate the rivets on the first row

Answer 52

edge distance, plus 75%

Question 53

***During a Square layout, you place the second row using ___% of the rivet spacing used for locating the rivets on the inner row

Answer 53

100%

Question 54

Always measure from the ____ edges of the substructural member.... NOT the existing fasterners

Answer 54

Outer

Question 55

***When fabricating flush skin repair parts, the preferred sequence is to make the doubler ____

Answer 55

first

Question 56

****when doing a stringer filler repair, you place the filler in the cutout and keep a ___-inch clearance between each end of the stringer filler and stub ends of the stringer

Answer 56

1/64"

Question 57

***Where a repair part (nonflush) is to be installed over countersunk or dimpled holes, you must

Answer 57

dimple the fastener holes in the repair piece

Question 58

****When using a routing template on a tapered surface, make a bridge of two manufactured wedge blocks at least____ " long and the same degree of angle as that of the panel

Answer 58

6"

Question 59

***when performing the minor skin delamination repair of drilling and filling, holes must be spaced a maximum of

Answer 59

2" apart

Question 60

T/F: you should only use fiberglass cloth as the breather material

Answer 60

TRUE

Question 61

**** Define Static Balance

Answer 61

when subjected to forces of gravity an object tends to remain stationary about an axis of rotation at its center of gravity

Question 62

***Define dynamic balance

Answer 62

all forces acting on a body in motion are equally balance so the body doesn't vibrate while in motion

Question 63

***Cure rate factors, cure can be accelerated by using heat: however, the sealant temp shouldn't exceed

Answer 63

120 deg. F