The Airframe

Question 1

What is the Fuselage?

Answer 1

The body of the aeroplane to which wings, tail, engine and landing gear are all attached

Question 2

What is a semi-monocoque structure?

Answer 2

A light framework covered by a skin (usually aluminium)

Question 3

Which part of a semi-monocoque carries the stress?

Answer 3

The skin

Question 4

What carries the major load in the wings?

Answer 4

The spars

Question 5

What is the purpose of an external strut on a wing?

Answer 5

To transfer some of the load to the fuselage

Question 6

Describe ribs…

Answer 6

Roughly perpendicular to struts and assisted by stringers running parallel to the spars, provide aerofoil shape and stiffen the skin

Question 7

Where on the wings are ailerons and wing-flaps respectively?

Answer 7

Ailerons: Outer trailing edge Flaps: Inner trailing edge

Question 8

Name the general parts of the tail

Answer 8

Vertical stabiliser Horizontal stabiliser Rudder Elevator Trim tabs

Question 9

Name some different types of tail section

Answer 9

Stabilator (all flying) Ruddervator (combined rudder and elevator) T-tail

Question 10

How is excessive in-flight movement prevented from the control surfaces?

Answer 10

Stops are usually fitted to the structures

Question 11

What are the two types of undercarriage?

Answer 11

Tricycle or tailwheel

Question 12

Where are h brakes usually fitted on an aircraft?

Answer 12

The main gear

Question 13

How is steering usually achieved on a tricycle aircraft?

Answer 13

Nosewheel steering from the rudder pedals

Question 14

How is the engine usually separated from the cockpit?

Answer 14

With a firewall

Question 15

Why might one tie and aeroplane down?

Answer 15

If the plane is to be unhangared overnight If the plane is to be left in strong winds or a change of weather

Question 16

What should be in a tie-down kit?

Answer 16

3 tie-down ropes 3 pegs A hammer or mallet A minimum of two wheel chocks

Question 17

What are the general stages of tying a plane down?

Answer 17

Park into wind Lock the control surfaces Tie the plane down Cover the pitot head Cover the engine or the engine openings Lock the doors and windows

Question 18

What should be done when parking into wind?

Answer 18

Apply parking brakes Insert chocks in front and behind wheels Lock the nose wheel if possible

Question 19

Describe how ropes should be tied

Answer 19

Wing ropes should be forward and out Tied loosely, but not too loosely with a non slip knot

Question 20

What are the general steps to dealing with a cabin fire?

Answer 20

Quickly extinguished Cabin window or air vents opened

Question 21

Picture the location and purpose of the following…

Exhaust muffler shroud

Heater valve

Mixer box

Ventilating air door

Defroster outlets

Answer 21

Question 22

What are the two main purposes of ventilation?

Answer 22

Providing adequate fresh air for all passengers

Combating motion sickness

Question 23

What temperature should be maintained in an aircraft cabin?

Answer 23

It should be warm enough to be able to fly in shirt sleeves

Question 24

Where is heat normally sourced for the cabin?

Answer 24

From around the exhaust manifold/muffler shroud

Question 25

List four symptoms of CO poisoning

Answer 25

• Headache
• Dizziness
• Nausea
• Detereoration in vision
• Slower breathing
• Unconsciousness
• Death

Question 26

Loosely, what is it about CO that makes it dangerous?

Answer 26

It displaces oxygen from the blood

Question 27

What should be done if CO is suspected?

Answer 27

• Shut off all cabin heat
• Stop all smoking
• Increase fresh air supply
• Wear oxygen masks if available

Question 28

How can CO poisoning be prevented?

Answer 28

By always ensuring that some fresh air is used in the cabin