1) There are two primary classes of aircraft: lighter-than-air and heavier-than-air. Lighter-than-air uses gases like hydrogen or helium to stay aloft while heavier-than-air uses engines or propellers. 2) Heavier-than-air aircraft are further divided into rotary-wing and fixed-wing. Rotary-wing aircraft generate lift from overhead blades like helicopters and autogiros. Fixed-wing aircraft use wings and include seaplanes, landplanes, and amphibians. 3) Seaplanes take off and land on water, landplanes operate on land, and amphibians can operate on both land and water.

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DO NOWDO NOW
LESSON #
1. Identify 3 major
aerospace manufacturing
companies.
2. Explain how a person such
as your self can own part of an
airline company.

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..• Focus Point: How are Aircraft
Classified?
Instructional Objectives: (SWBAT):
1) Explain the 2 primary
classes of aircraft.
2) Discuss types of heavier
than air aircraft.
3) Identify 2 types of fixed wing
aircraft.
Lesson # 2
11/28/15 12:44

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I) What are the two primary classesI) What are the two primary classes
of aircrafts:of aircrafts:
1) Lighter-than air:
2) Heavier- than air:

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1) Lighter-than air:
1.Hydrogen was used (flammable
gas).
2.Uses gas to keep it aloft
3.Eventually slighter heavier helium
(non flammable) was used

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II) Lighter-than air:
1) Non-rigid: “free balloon” or “hot air
balloon”, has no internal or external
framework. Has no steering
mechanism.
2) Rigid: blimp, gas is contained in a
fabric covered wooden or metal frame
work. A gondola (control car) is
underneath which carries engines and
personnel.

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Note: The Hindenburg was a GermanNote: The Hindenburg was a German
Zeppelin, after a successful passengerZeppelin, after a successful passenger
flight began across the Atlantic caught fireflight began across the Atlantic caught fire
while landing in New jersey in May 1937,while landing in New jersey in May 1937,
killing 36 people and injuring many.killing 36 people and injuring many.

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2) Heavier-than air:
All other types.

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III) Heavier-than air:
1) Rotary wing:
Lift is generated by moving blades
overhead which act as “revolving wings”
A) Autogiro: non powered air driven
blades. Forward flight is accomplished by
use of a conventional engine and
propeller. Forward motion caused free
wheeling rotating blade.

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• Powered by rotating
blades.
• blades may be tilted
in any direction to
control flight path.
B) Helicopter:

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2) Fixed wing:
A) Seaplanes: (flying boats) uses floats or
hulls in place of conventional landing gear
to take off and land on water .
B) Landplanes: classified by location of
wing, landing gear type etc…

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C) Amphibians: can operate either
on land or on water.

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..
• Focus Point: How are Aircraft
Classified?
SUMMARY (ACCOUNTABLE TALK):
1) What are the 2 primary
classes of aircraft?
2) What are the 2 types of heavier than
air aircraft?
3) What are the 3 types of fixed wing aircraft?
Lesson # 2
November 28, 2015