Weight and balance

Question 1

Aircraft performance affected by weight?

Answer 1

• longer take-off
• longer climb of rate
• slower cruise
• longer landing
• more stress and strain on aircraft
• or more fuel if want to keep the speed

Question 2

What happen if balance too forward (nose heavy)

Answer 2

• aircraft may not rotate

- longitudinal control … too stable

Question 3

What happen if balance too far aft

Answer 3

• aircraft may over-control in pitch

- reduced longitudinal stability (hard to control)

Question 4

why we care about weight and balance

Answer 4

because is illegal to fly an aircraft that is not within limits (air worthiness)

Question 5

Who is responsible to provide empty weight and center of gravity?

Answer 5

AME

Question 6

what is empty weight

Answer 6

weight of the aircraft and its balance point without fuel , pax, baggage and crew

Question 7

loaded weight and balance report

Answer 7

the actual weight of the aircraft and its balance poiny in flight (pilots responsibility)

Question 8

where to find empty weight and balance report in cars

Answer 8

chapter 571 of Airworthiness manual

Question 9

whos responsable for have the record of weight and balance updated

Answer 9

owner

Question 10

when do we need to do a new weight and balance report

Answer 10

after modification or mayor repair that involves a change on the empty weight or center of gravity
AWM 571 App C

Question 11

what weight and balances includes

Answer 11

all items required by the basis of the aircraft type certification , and all additional items of installed equipment
AWM 571 App C

Question 12

empty weight is determine by ?

Answer 12

-weighting the plane by scales or load cell min of 3
-Manufacturers can use standard weight with any
optional equipment mathematically added
-AME can calculate the empty weight by using the weight of the equippment added or removed

Question 13

center of gravity

Answer 13

the point along the an AC logitudinal axis where the weight is considered concentrated

Question 14

what info we need for to calculate C off G

Answer 14

• datum
• leveling info if weighing
• Arm

Question 15

what is Datum

Answer 15

imaginary vertical plane from which all are taken and manufactures determine that

Question 16

where to find Datum

Answer 16

Pilot operating pilot, type certificate data cheet, amm

Question 17

how you level an aircraft for weighing

Answer 17

follow AMM,POH or Type certificated

Question 18

why we level an aircraft

Answer 18

because depends is is nose or tail heavy the CG will appear move forward or aft

Question 19

what is weight

Answer 19

mass of an object

Question 20

what is datum

Answer 20

arbitrary ref point

Question 21

what is arm

Answer 21

distance that the weight is away from ref point ( C or G

Question 22

what is moment

Answer 22

weight multiply by arm

Question 23

(moment) divided by (weight)

Answer 23

balance point (C G)

Question 24

if adding floats where can i find how to do it

Answer 24

AMM and Suplemental type certificade (STC)

Question 25

what is ammendment

Answer 25

when we calculate new wheight and balance due too adding (Floats or skiis)

Question 26

how you marked the old amendment

Answer 26

(Superseded) along with date and signature

Question 27

what is an Addendum

Answer 27

different configuration within a weight and balance report

Question 28

reasons to perform desimetry of check

Answer 28

• any major structural repair
• heavy landing
• extreme turbulance
• overspeeding
• loose or sheared fasteners
• wrinkling or buckling of structural plating

Question 29

symmetry geometrical planes

Answer 29

longitudinal and lateral

Question 30

types of NDT testing

Answer 30

• liquid penetrant testing
• electromagnetic testing
• magnetic particle testing
• ultrasound
• eddy current

Question 31

NDT testing has a discontinuity that is ?

Answer 31

relevant or irrelevant

Question 32

where the engine should be positioned in its 4 stroke cycle for Magneto test

Answer 32

compression stroke number 1 cylinder 25 degree BTDC

Question 33

causes for leaks in the cylinder fro a pressure testing

Answer 33

• Cylinder exhaust valve is not seating properly (air from the exhaust pipe)
• Intake valve leaking (if you here air out of the carburetor heat box)
• piston rings are defective(if hear air out of dipstick)
• cylinder crack or defective