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AT 106 > Exam 3 Review > Flashcards

Exam 3 Review Flashcards

1
Q

What are tandem rotor helicopters?

A

aircraft that have two main rotors and no tail rotor
Having two rotors eliminates need for tail rotor

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2
Q

Airspeed _________ across the blade from the root to the tip.

A

increases

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3
Q

3 problems in getting helicopters to fly

A
  1. Dissymmetry of Lift & Gyroscopic Precision
  2. Coriolis Effect (“ice skater” effect)
  3. Lead-lag movement caused by massive vibration
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4
Q

How does a fully articulated rotor head solve the 3 main problems?

A
  1. Flapping hinges
  2. Lead-lag hinges
  3. Lead-lag dampeners
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5
Q

Difference between fully articulated rotors, semi-rigid rotors, and rigid rotors

A

Fully Articulated: have both flapping and lead-lag hinges
Semi-Rigid: has a lead-lag hinge, but no flapping hinge
Rigid: there are no hinges in the rotor blades

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6
Q

Gyroscopic procession

A

any force put into a spinning object takes effect 90 degrees later

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7
Q

What is the difference between highest blade angle vs. highest disc angle

A

Highest blade angle is 90 degrees clockwise to the highest disc angle

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8
Q

Why don’t we use pure aluminum as a material in aviation?

A

Pure aluminum is used as a “combination item” for other materials (i.e., iron)

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9
Q

What is the most common alloy in aviation?

A

Al 2024

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10
Q

What is the principal aluminum alloy for Al 2024? (anything 2XXX)

A

copper

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11
Q

What does grain size mean?

A

A metal’s strength

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12
Q

AC 43.13 1B

A

Advisory circular (AC) that contains methods, techniques, and practices deemed “acceptable”

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13
Q

How would you identify what rivet to use?

A

by the loads imposed on the structure and by the manufacturer and the information found in the manufacturer’s Structural Repair Manual (SRM)

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14
Q

What happens once the metal parts are cut and shaped to the form desired?

A

they must be drilled and deburred to prepare for the rivet or fasteners to be installed

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15
Q

What is different in installing a rivet if it is flush-mount?

A

Hi-Lok fasteners are used instead

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16
Q

Parts of a bolt

A

Head: top part
Shank: bottom part
Grip: top smooth part of shank
Threads: bottom rough part of shank

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17
Q

Where is torque applied on a bolt/nut fastener?

A

Torque is applied to the bolt/nut

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18
Q

Safety devices

A

Safety wire
Cotter pins

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19
Q

What can safety wire secure?

A

Nuts
Bolts
Oil filters
Cannon plugs
Anything that must not loosen during normal operations

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20
Q

What is the difference between brazing and soldering?

A

Brazing uses higher temps than soldering

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21
Q

Differences between MIG (Gas Metal Arc (GMAW)) and TIG (Tungsten Inert Gas) welding.

A

MIG uses wire
TIG uses electricity

22
Q

What is a Type Certificate (TC)?

A

When the design of an aircraft meets the FAA’s standards

23
Q

What is a Type Certificate Data Sheet (TCDS)?

A

FAA document that records the type certification data of a product

24
Q

What is an Airworthiness Certificate?

A

Certificate issued for aircraft that are good to go

25
Q

What is in a TCDS?

A

Control surface movement limits, operating limitations, placards, and weight and balance, engines allowed, propellors allowed

26
Q

Supplemental Type Certificate (STC) vs. Parts Manufacture Approval (PMA) vs. Technical
Standard Order (TSO)

A

STC: approval of the modification of the aircraft, engine, or propeller
PMA: FAA approval of the manufacture only of non-commonly interchangeable parts on an aircraft
TSO: FAA approval of the design and manufacture of commonly interchangeable parts on an aircraft

27
Q

Standard vs. Special Airworthiness Certificates
What categories are in each?

A

Standard: normal, utility, acrobatic, commuter, transport, & manned free balloons
Special: primary, restricted, limited, light-sport, provisional airworthiness certificates, special flight permits, and experimental certificates

28
Q

Major repair and Form 337

A

request for engineering approval for the modification to an individual aircraft

29
Q

Airworthiness Directives

A

issued by the FAA and must be complied with
The owner or operator is responsible for knowing and complying with airworthiness directives

30
Q

Advisory Circular

A

produced by the FAA and compliance is voluntary

31
Q

Service Bulletins

A

Issued by aircraft and component manufactures to inform the owners about potential problems with the aircraft
Compliance is not required

32
Q

Mandatory Service Bulletins

A

Issued when a manufacturer, insurance companies, or the FAA want to try to force the aircraft owner to comply
Compliance is not required

33
Q

Service Letters

A

Sent by manufacturers as a means of providing non-critical information, or for clarifying maintenance manuals or pilot handbooks
Compliance is not required

34
Q

Maintenace Manuals

A

Written by the manufacturer and approved by the FAA
Compliance is required

35
Q

Minimum Equipment List

A

The master minimum equipment list is developed by the aircraft manufacturer and approved by the FAA
Compliance with the MEL is required

36
Q

Operation Specifications

A

Created by commercial airlines that is submitted to the FAA for approval
Compliance is required

37
Q

Manufacturer’s data supersedes any other source of information except what?

A

airworthiness directives

38
Q

ATA (Air Transport Association) Codes

A

Developed to standardize the order of maintenance manuals

39
Q

The ATA code should always be expressed as a _____ part number

A

three

40
Q

What do each of the following numbers represent in the ATA code?
26-22-03

A

26: Chapter/System (Universal on all aircraft)
22: Subsystem (Universal on all aircraft)
03: Unit in the subsystem (Can be defined by individual airline, manufacturer, or uses)

41
Q

Data plate

A

Contains the serial number of the aircraft
Is considered to theoretically BE the aircraft
If an airplane is scrapped, Unless the data plate is scrapped the aircraft theoretically still exists

42
Q

What must maintenance records include?

A

description of the work performed
date of completion of the work
signature and certificate number of the person approving the aircraft for return to service
the Total Aircraft time and time on life-limited parts
Current status of ADs

43
Q

Aircraft ownership =

A

“Bill of sale”

44
Q

Liens

A

Documents against the airplane recorded by the FAA

45
Q

What is the difference between a license and a certificate

A

Licenses must be periodically renewed. Certificates do not

46
Q

Offenses involving alcohol or drugs

A

Denial of an application for any certificate up to 1 year
Suspension or revocation of any certificate

47
Q

Temporary Certificate

A

Issued until your permanent certificate arrives

48
Q

Security Disqualifications

A

No person is eligible to hold a certificate, rating when the Transportation Security Administration (TSA) has notified the FAA in writing that the person poses a security threat

49
Q

Don’t do these on a written test

A

Copy or remove the test
Give or receive part of a copied test
Give or receive help while it is being given
Take the test for another person
Take part in any other form of cheating

50
Q

Change of Adress rules

A

Within 30 days after any change in his permanent mailing address, the holder of a certificate issued under this part shall notify

51
Q

Refusal to submit to a drug test

A

Denial of an application for any certificate up to 1 year
Suspension or revocation of any certificate

52
Q

Eligibly Requirements

A

Must be 16 years old, and be able to read, write, speak, and understand English

AT 106 (2 decks)

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