Cessna Skyhawk 172N 1980 Owner's manual

PILOT'S OPERATING HANDBOOK
and
FAA APPROVED AIRPLANE FLIGHT MANUAL
CESSNA AIRCRAFT COMPANY
1980 MODEL 172N
THIS DOCUMENT ~UST BE c serial NO. 172 73f3/
CARRIED IN THE~~IRPLANE
AT ALL TIMES.
Registration NO. OY- OH /
THlS HANDBOOK INCLUDES THE MATERIAL REQUIRED TO BE
FURNISHED TO THE PILOT BY CAR PART 3 AND CONSTITUTES
TI
1 AIRPLANE FLIGHT MANUAL.HAFAA A
COPYRIGHT @ 1979
CESSNA AIRCRAFT COMPANY
WICHITA, KANSAS, USA
r3 Member of GAMA
1 JULY 1979

THIS MANUALWASPROVIDEDFORTHE AIRPLANE
IDENTIFIED ON THE TITLE PAGE ON
SUBSEQUENT REVISIONS SUPPLIED BY CESSNA
AIRCRAFT COMPANY MUST BE PROPERLY IN-
SERTED.
CESSNAAIRCRAFTCOMPANY, PAWNEEDIVISION

CESSNA
MODEL
172N
CONGRATULATIONS
CONGRATULATIONS . . ..
Welcome to the ranks of Cessna owners! Your Cessna has been designed and
constructed to giveyouthe most inperformance,economy, andcomfort. Itisourdesirethat
-
you will find flying it, either for business or pleasure, apleasantand profitableexperience.
This Pilot's Operating Handbook has been prepared as a guide tohelpyou get the most
pleasure and utility from your airplane. It contains information about your Cessna's
equipment, operatingprocedures, and performance; and suggestionsfor its servicing and
care. We urge you to read it from cover to cover, and to refer to it frequently.
Our interest in your flying pleasure has not ceased with your purchase of a Cessna.
-
World-wide, the Cessna Dealer Organization backed by the Cessna Customer Services
Department stands ready to serve you. The following servicesare offered by most Cessna
Dealers:
THE CESSNA WARRANTY, which providescoveragefor partsand labor, is availableat
Cessna Dealers worldwide. Specific benefits and provisions of warranty, plus other
important benefits for you, are contained in your Customer Care Program book,
supplied with your airplane. Warranty service
is available toyou at authori~edCessna
Dealers throughout theworld upon presentationof your Customer Care Cardwhich
establishes your eligibility under the warranty.
FACTORY TRAINED PERSONNEL to provide you with courteous expert service.
F.
FACTORY APPROVED SERVICE EQUIPMENT to provideyou efficient and accurate
workmanship.
A STOCK OF GENUINE CESSNA SERVICE PARTS on hand when you need them
THE LATEST AUTHORITATIVE INFORMATION FOR SERVICING CESSNA AIR-
PLANES, since Cessna Dealershaveallof theServiceManualsandPartsCatalogs, kept
current by Service Letters and Service News Letters, published by Cessna Aircraft
Company.
We urge all Cessna owners to use the Cessna Dealer Organization to the fullest.
A current Cessna Dealer Directory accompanies your new airplane. The Directory is
revised frequently, andacurrent copycan beobtained fromyour Cessna Dealer. Makeyour
Directory one of your cross-country flight planning aids; a warm welcome awaits you at
every Cessna Dealer.
1 July 1979

CESSNA
MODEL
172N
SECTION 1
GENERAL
SECTION I
GENERAL
TABLE OF CONTENTS
Page
Three View .......................... 1-2
Introduction .......................... 1-3
Descriptive Data ........................ 1-3
Engine .......................... 1-3
Propeller ......................... 1-3
Fuel ............................ 1-3
Oil ............................ 1-4
C- Maximum Certificated Weights ............... 1-5
Standard Airplane Weights ................. 1-5
Cabin And Entry Dimensions ................ 1-5
Baggage Space And Entry Dimensions ........... 1-5
SpecificLoadings ..................... 1-5
Symbols. Abbreviations And Terminology ............ 1-6
General Airspeed Terminology And Symbols ........ 1-6
Meteorological Terminology ................ 1-6
Engine Power Terminology ................. 1-7
Airplane Performance And Flight Planning Terminology ... 1-7
Weight And Balance Terminology .............. 1-8
1 July 1979

CESSNA
MODEL 172N SECTION
1
GENERAL
. , INTRODUCTION
Thishandbook contains 9 sections,andincludesthematerial required
to be furnished to the pilot by CAR Part 3. It alsocontains supplemental
data supplied by Cessna Aircraft Company.
Section 1 provides basic data and information of general interest. It
also contains definitions or explanations of symbols, abbreviations, and
terminology commonly used.
DESCRIPTIVE DATA
- ENGINE
Number of Engines: 1.
Engine Manufacturer: Avco Lycoming.
Engine Model Number: 0-320-H2AD.
Engine Type: Normally-aspirated, direct-drive, air-cooled,horizontally-
--
opposed, carburetor equipped, four-cylinder engine with 320 cu. in.
displacement.
Horsepower Rating and Engine Speed: 160 rated BHP at 2700 RPM.
PROPELLER
-.
Propeller Manufacturer: McCauley Accessory Division.
Propeller Model Number: lC160lDTM7557.
Number of Blades: 2.
Propeller Diameter, Maximum: 75 inches.
Minimum: 74 inches.
Propeller Type: Fixed pitch.
- FUEL
Approved Fuel Grades (and Colors):
100LL Grade Aviation Fuel (Blue).
100 (Formerly 1001130) Grade Aviation Fuel (Green).
NOTE
- -<.
Isopropyl alcohol or ethylene glycol monomethyl ether
may be added to the fuel supply.Additive concentrations
shall not exceed 1% for isopropyl alcohol or .15% for
ethylene glycol monomethyl ether. Refer to Section
8 for
additional information.
1July 1979

CESSNA
MODEL 172N SECTION
1
GENERAL
- . . -
MAXIMUM CERTIFICATED WEIGHTS
Ramp, Normal Category: 2307 lbs.
Utility Category: 2007 lbs.
Takeoff, Normal Category: 2300 lbs.
Utility Category: 2000 lbs.
Landing, Normal Category: 2300 lbs.
Utility Category: 2000 Ibs.
Weight in Baggage Compartment, Normal Category:
Baggage Area 1 (or passenger on child's seat) - Station82to 108: 120
lbs. See note below.
Baggage Area 2 - Station 108to 142: 50 lbs. Seenote below.
NOTE
The maximum combined weight capacity for baggage
areas
1 and 2 is 120 lbs.
Weight in Baggage Compartment, Utility Category: In this category,the
baggage compartment and rear seat must not be occupied.
- - STANDARD AIRPLANE WEIGHTS
Standard Empty Weight, Skyhawk: 1403lbs.
Skyhawk 11: 1430 lbs.
Maximum Useful Load:
- - Normal Category Utility Category
Skyhawk: 904 lbs. 604 lbs.
Skyhawk 11: 877 lbs. 577 lbs.
CABIN AND ENTRY DIMENSIONS
Detailed dimensionsof the cabin interiorand entry door openingsare
---. illustrated in Section 6.
BAGGAGE SPACE AND ENTRY DIMENSIONS
Dimensions of the baggage area and baggage door opening are
illustrated in detail in Section 6.
SPECIFIC LOADINGS
Wing Loading: 13.2lbs./sq. ft.
Power Loading: 14.4lbs./hp.
1July 1979

CESSNA
MODEL 172N SECTION 1
GENERAL
It is expressed in either degrees Celsius or degrees Fah-
-
renheit.
Standard
Standard Temperature is 15OC at sea level pressure alti-
Tempera- tude and decreases by 2OC for each 1000 feet of altitude.
ture
Pressure
Pressure Altitude is the altitude read from an altimeter
Altitude when the altimeter'sbarometric scalehasbeen set to29.92
inches of mercury (1013 mb).
ENGINE POWER TERMINOLOGY
BHP
Brake Horsepower is the power developed by the engine.
RPM
Revolutions Per Minute isengine speed.
Static
Static RPM isengine speed attained during a full-throttle
RPM engine runup when the airplane is on the ground and
stationary.
AIRPLANE PERFORMANCE AND FLIGHT PLANNING
TERMINOLOGY
-
Demon-
Demonstrated Crosswind Velocity is the velocity of the
strated crosswind component for which adequate control of the
Crosswind airplane during takeoff and landing was actually demon-
Velocity strated during certification tests. The value shown isnot
considered to be limiting.
Usable Fuel
Usable Fuel isthe fuel available for flight planning.
Unusable
Unusable Fuel isthequantity of fuelthatcannot be safely
Fuel used in flight.
GPH Gallons Per Hour is the amount of fuel (in gallons)
consumed per hour.
NMPG
Nautical Miles Per Gallon is the distance (in nautical
4--
miles) which can be expected per gallon of fuel consumed
ata specificengine power settingand/orflightconfigura-
tion.
g
1 July 1979
g is acceleration due to gravity.

CESSNA
MODEL 172N SECTION 1
GENERAL
Maximum
Maximum Landing Weight is the maximum weight ap-
- Landing proved for the landing touchdown.
Weight
Tare
Tare istheweight of chocks,blocks,stands,etc.used when
weighing an airplane, and is included in the scale read-
ings.Tare isdeducted from the scalereading to obtainthe
actual (net)airplaneweight.
1 July 1979 1-9/(1-10blank)

CESSNA
MODEL 172N SECTION
2
LIMITATIONS
SECTION 2
LIMITATIONS
TABLE OF CONTENTS
Page
Introduction .......................... 2-3
- Airspeed Limitations ..................... 2-4
Airspeed Indicator Markings
.................. 2-5
Power Plant Limitations
.................... 2-5
Power Plant Instrument Markings
............... 2-6
Weight Limits
......................... 2-6
Normal Category
...................... 2-6
.. -., Utility Category ...................... 2-7
Center
Of Gravity Limits .................... 2-7
Normal Category
...................... 2-7
Utility Category
....................... 2-7
Maneuver Limits
....................... 2-7
......................
- Normal Category 2-7
Utility Category
...................... 2-7
Flight Load Factor Limits
................... 2-8
Normal Category ...................... 2-8
Utility Category
...................... 2-8
Kinds
Of Operation Limits ................... 2-9
Fuel Limitations
........................ 2-9
Other Limitations
....................... 2-9
Flap Limitations ...................... 2-9
Placards
.......................... 2-10
1 July 1979 2-11(2-2blank)

CESSNA
MODEL 172N SECTION
2
LIMITATIONS
- =-__ INTRODUCTION
--
Section 2 includes operating limitations, instrument markings, and
basic placards necessary for thesafe operation of the airplane,itsengine,
standard systems and standard equipment. The limitations included in
this section and in Section
9 havebeen approved by the Federal Aviation
Administration.Observance of these operating limitationsisrequired by
Federal Aviation Regulations.
NOTE
Refer to Section 9 of this Pilot's Operating Handbook for
amended operating limitations, operating procedures,
performance data and other necessary information for
airplanes equipped with specific options.
NOTE
The airspeeds listed in the Airspeed Limitations chart
(figure 2-1) and the Airspeed Indicator Markings chart
-,
(figure 2-2) arebased on Airspeed Calibrationdatashown
-_*
in Section 5 with the normal static source. If the alternate
.- - static source is being used, ample margins should be
observed to allow for the airspeed calibration variations
between the normal and alternate staticsourcesasshown
in Section 5.
-
Your Cessna is certificated under FAA Type Certificate No. 3A12 as
Cessna Model No. 172N.
1July 1979