Mooney Executiv 21 Manuale utente

MODEL

M20F

OWNERS

MANUAL

OPERATE THIS AIRCRAFT

ONLY-

@after reading

owners manual @with owners manual on board

after you are fully qualified

understand all of

the aircraft operating characteristics& limitations

MOONEY

AlRCRAF7:

lNC.

YEAR

1967

OWNERS

MANUAL

MODEL

SERIAL

NUMBERS

M20F 660003

660004

670001

TWRU

670539

Issued

September

1966

Revised

March

1967

aboard your new Executive

21.

Enjoy the greater utility

of the long, rooiny cabin. The far-ranging fuel capacity

of the Executive

now makes possible one-stop trans-

continental flights.

The same high perforinance and low operating cost which

make its sister ships, the Mark

and Super

21,

the

world's leading sellers

the retractable-geared class,

arebred into the Executive

21.

Read this manual carefully, it is prepared to help you en-

joy fully the remarkable perfor~nanceand econorn)r charac-

teristics the Executive

is prepared to deliver.

MBONEY

AIRCRAFT,

INC.

XERRVIL 1

TEXAS

This manual contains Federal AviationAgency- DelegarionOption

Authority approved li~nitarionsand

nus st

be carried in the

Execu-

tive

at all times.

EXECUTIVE

OWNER'S

MANUAL

TABLEOFCONTENTS

PART

DESCRIPTION AND OPERATION

COMPONENTS

Page

General

Propeller

Engine

Power Boost

Engine Ignition

Fuel System

Electrical System

Airframe

Landing

Gear

Flight Controls

Moaney Positive Control Systen.

Trim System

Flaps

Vacuum System

Brakes

Heating and Ventilation Systems

PART

FLIGHT

PROCEDURES

General

Weight and Balance

Pre-Flight Inspection

Entering the Airplane

Starting the Engine

Cold Weather ond Manual Starting

Taxiing and Ground Operation

Pre Take-Off Check

Take-Off and Climb

Power Changes

Cruise Procedures

Indicated Airspeed

Fuel Management

Let-Down Procedures

Land

ing Procedures

Normal Landing

Stopping the Engine

PART I!! SERVICE AND MAINTENANCE

Page

General

Ground Handling

Propeller

Engine

Battery

Care

Interior

Care of Exterior

Windows

Landing Gear

Vacuum Operated Step

Required Data

Service Bulletins and Instructions

PART IV PERFORMANCE

DATA

Take-Off and Climb Data

Climb Performance

Cruise and Range (2500')

(5000')

(7500')

0,000')

(15,000')

Stall Speed

vs.

Sank Angle

Maximum Range

Glide Range

Landing Data

(Fig.

(Fig. 3)

(Fig. 3A)

(Fig. 38)

(Fig. 3C)

(Fig. 3D)

(Fig.

(Fig. 5)

(Fig. 6)

Page

PART

OPERATING

LIMITAT

IONS

FAA/BOAAPPROVED MOONEY

M20F

Page

Power Plant Instruments

Airspeed Limitations

Flight Load Factors

Maximum Weight

CG Range

Aircraft Instrumentation Markings and

their Significance

Types of Operation

Power Boost

Placards

Instrument Marking (Except Power Plant)

Maximum Altitude Loss in Stalls at Gross Weight

Revised

March

1967

PART

DESCRIPTION AND OPERATION OF COMPONENTS

GENERAL

The Executive 21 is a single engine four-place low wing, re-

tractable tricycle landing gear airplane. The design and opera-

tion of this aircraft are conventional with few exceptions. This

section will describe some of the components of the aircraft

and operating details.

PROPELLER

The Executive 21 uses an alunlinu~nalloy constant speed pro-

peller of

inch diameter. The pitch of the blades is controlled

by engine oil pressure which acts to increase blade angle of

attack and thereby control engine speed. The propeller control

in the cabin operates the propeller governor which controls the

oil pressure provided to the propeller hub. The governor

ser-

ting functions to maintain the engine at a constant speed by

actuating blade angle of attack. In essence then, the function

of the propeller control in the cabin is to regulate and maintain

the rotational speed of the engine at a desired setting.

ENGINE

The Executive 21 is powered by the Lyconling

200

10-360-A

four cylinder engine. This engine uses 100/130 octane fuel.

Four rubber bushings on the aft side of the engine provide

mounting and vibration isolation. Engine ~iianifoldpressure

regulated by the push-pull throttle control on the panel.

POWER

BOOST

unique Power Boost feature of the Executive 21 provides in-

creased manifold

u re when operating at full throttle.

This is

c co

111

h ed by pulling the Power Roost control

out, which causes induction air to by-pass the engine air filter

to perinit the engine to operate

direct ram air. Because

the engine will be operating on unfiltered air when the Power

Boost is used, it should be operated only in clean, dust free

Revised

March

1967

air at altitude, and turned off for take-off and landing. Because

the Power Boost is effective only when the throttle is in the

fully opened position, its advantages generally will be realized

at altitudes above

5,000

feet where flight is often with full throt-

tle.

light is provided on the panel by the Power Boost control

to remind the pilot to push the control in (to filtered air) before

landing. This light will come on when the gear

lowered

while Power Boost is on.

WARNING

Do not

fly

this aircraft in icing conditions.

Turn Power Boost off when icing conditions are

inadvertently encountered. Icing conditions prevail

any time the temperature and inoisture conditions

coixbine to produce the possibility of impact ice.

Using unfiltered induction air when flying in snow

or other

IFR

conditions can be hazardous. Snow

can accumulate in the fuel injector impact tubes or

inoisture can freeze in the passages under icing

conditions and cause loss of power. Therefore it

is imperative that the Power Boost not be used when

flying in sleet, snow, rain, or i~~oisture-ladenair

near freezing teii~peratures. Under these condi-

tions ice can for~liin the inlet duct or fuel injector

unit even though no visible moisture

apparent on

the airframe.

POWER

BOOST

FUEL-AIR

MIXTURE

The fuel injector unit of the

10-360

engine has provisions for

adjusting the fuel-to-air ratio as required at,different altitudes.

The fuel-to-air ratio (mixture) is regulated by the hexagon

shaped push-pull control located between the throttle and pro-

peller controls in the cabin. This control has a vernier adjust-

nlent feature for obtaining precise mixture settings. An exhaust

gas temperature gage is provided to indicate the optiinurn mix-

ture setting.

ENGINE

COOLING

The engine baffling directs air flow over the cylinders for cool-

ing in flight. Cowl flaps are provided on the lower cowling to

allow more free air flow on the ground and during low speed,

high power conditions (i.e., climb conditions). Cowl flaps

should always be open on the ground, and prolonged engine

operation on the ground should be avoided to prevent engine

overheating.

push-pull cofitro'i is provided below the in-

strument panel and to the right of the pilot for operation of th'e

cowl flaps.

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