Aerospool Wt9 dynamic lsa / club Owner's manual

PILOT´S OPERATING

HANDBOOK

Document Number:

AS-POH-10-487

Date of Issue:

07. 05. 2019

Aircraft Model:

WT9 Dynamic LSA / Club

Aircraft Serial Number:

DY-487/2013 LSA

Aircraft Registration Number:

F-HVXC

THIS HANDBOOK INCLUDES THE INFORMATION REQUIRED TO BE FURNISHED TO THE PILOT

BY REGULATIONS AND ADDITIONAL INFORMATION PROVIDED BY THE AIRCRAFT

MANUFACTURER –AEROSPOOL, SPOL. S R. O.

PAGES MARKED AS “EASA APPROVED” ARE APPROVED BY EUROPEAN AVIATION SAFETY

AGENCY.

THIS AIRCRAFT MUST BE OPERATED IN COMPLIANCE WITH THE INFORMATION AND

LIMITATIONS STATED IN THIS MANUAL.

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RECORD OF REVISIONS

Any revision of the present manual, except actual weight data, must be recorded in the following table, and in the

case of approved chapters, endorsed by the responsible airworthiness authority.

The new or amended text in the revised pages will be indicated by a black vertical line in the page margin,

and the revision will be shown on the bottom side of the page.

Revision

Date

Description of Revision

Approved by

Initial issue

07. 05. 2019

New issue.

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LIST OF EFFECTIVE PAGES

Chapter

Page

Status

Chapter

Page

Status

Title page

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3-1

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Page A

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Page B

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Chapter

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Initial issue Page G 
 
 TABLE OF CONTENTS 
 
Chapter Chapter Name 
..................................................................................................................INTRODUCTION 
............................................................................................GENERAL INFORMATION 
........................................................................................................................LIMITATIONS 
....................................................................................... EMERGENCY PROCEDURES 
................................................................................................NORMAL PROCEDURES 
.................................................................................................................. PERFORMANCE 
........................................WEIGHT AND BALANCE, AND EQUIPMENT LIST 
...................................................DESCRIPTION OF AIRCRAFT AND SYSTEMS 
......................................................................................HANDLING AND SERVICING 
.................................................................................................................... SUPPLEMENTS 
 
 
 

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Initial issue Page 0-1 
0INTRODUCTION 
 TABLE OF CONTENTS 
 
 
0.1 GENERAL ...............................................................................................................0-2 
0.2 LIST OF STANDARDS...............................................................................................0-2 
0.3 CONTINUED AIRWORTHINESS................................................................................0-2 
0.4 AIRCRAFT MANUFACTURER CONTACT INFORMATION............................................0-2 
0.5 DATA LOCATION AND CONTACT INFORMATION FOR RECOVERY OF APPROVAL 
DOCUMENTATION.................................................................................................0-2 
0.6 SYMBOLS, ABBREVIATIONS AND TERMINOLOGY....................................................0-3 
 Speed..............................................................................................................................0-3 
 Meteorological Terms....................................................................................................0-3 
 Power Plant....................................................................................................................0-4 
 Flight Performance and Flight Planning.........................................................................0-4 
 Weight and Balance .......................................................................................................0-4 
 Equipment......................................................................................................................0-5 
 Miscellaneous.................................................................................................................0-5 
0.7 CONVERSION FACTORS..........................................................................................0-6 
 Length or Altitude ..........................................................................................................0-6 
 Speed..............................................................................................................................0-6 
 Pressure..........................................................................................................................0-6 
 Weight............................................................................................................................0-6 
 Volume ...........................................................................................................................0-6 
 Area ................................................................................................................................0-6 
 
 

Page 0-2 Initial issue

0.1 General

This Pilot´s Operating Handbook (POH) has been prepared to provide pilots and instructors with all information

needed for the safe and efficient operation of this aircraft. This manual contains supplementary data supplied by the

manufacturer.

Before using the aircraft, read this handbook carefully: an in depth knowledge of aircraft features and limitations will

allow you to operate the aircraft safely.

0.2 List of Standards

EASA Approval Basis was Standard Specification for Design and Performance of a Light Sport Airplane ASTM F2245-

10c. This aircraft is not type certified and is accepted for EASA Permit to Fly. See the related EASA Flight Conditions for

the operational limitations and airworthiness conditions.

The noise requirements are shown according to Certification Specifications and Acceptable Means of Compliance

for Aircraft Noise CS-36, Amendment 3 dated 20th January 2013.

0.3 Continued Airworthiness

Technical publications for continued airworthiness are released on the Aerospool website www.aerospool.sk and they

may be downloaded free of charge.

Rotax Aircraft Engines releases technical publications on their website www.flyrotax.com from which they may be

downloaded free of charge.

Documentation updates for the propeller may be downloaded on www.helices-evra.com.

Documentation updates for avionics may be downloaded on the avionics manufacturer’s website.

It is the responsibility of the owner/operator of the aircraft to keep the aircraft and its documentation up to date and

to comply with all technical publications. The owner/operator is responsible for keeping a current POH onboard every

flight.

0.4 Aircraft Manufacturer Contact Information

Aerospool spol. s r. o.

Letisková 10

971 03 Prievidza

Slovak republic

Web: www.aerospool.sk

E-mail: dynamic@aerospool.sk

0.5 Data Location and Contact Information for Recovery of Approval

Documentation

European Aviation Safety Agency (EASA)

Postfach 10 12 53

50452 Koeln

Germany

Web: www.easa.europa.eu

E-mail: [email protected].eu

Initial issue Page 0-3

0.6 Symbols, Abbreviations and Terminology

Speed

CAS Calibrated airspeed; Indicated speed in kilometers per hour corrected for installation and instrument

errors. CAS is equal to TAS in standard atmospheric conditions at MSL.

KCAS CAS indicated in knots.

IAS Indicated airspeed in kilometers per hour as shown on the airspeed indicator.

KIAS IAS indicated in knots.

GS Ground Speed. Speed of the aircraft relative to the ground.

TAS True airspeed. Speed of the aircraft relative to the air. TAS is CAS corrected for altitude and

temperature errors.

vAManeuvering airspeed. Maximum speed at which the aircraft is not overstressed at full deflection

of control surfaces.

vFE Maximum airspeed with flaps extended.

vLOF Airspeed at liftoff.

vNE Airspeed which must never be exceeded in any operation.

vNO Normal operating airspeed (cruise speed).

vRA Maximum rough airspeed.

vSThe power-off stall airspeed with the aircraft in its standard configuration.

vSO The power-off stall airspeed with the aircraft in landing configuration.

vXBest angle-of-climb airspeed.

vYBest rate-of-climb airspeed.

v50 Airspeed at height 15m (50 ft).

Meteorological Terms

AGL Above Ground Level

MSL Above Mean Sea Level

ISA International Standard Atmosphere at which air is identified as a dry gas. The temperature

at mean sea level is 15° Celsius (59° F), the air pressure at sea level is 1013.25 mbar (29.92 inHg),

the temperature gradient up to the altitude at which the temperature reaches -56.5 °C

(-67.9 °F) is -0.0065 °C/m (-0.0036 °F/ft) and 0 °C/m (0 °F/ft) above.

OAT Outside air temperature.

Indicated Pressure Altitude

Altitude reading with altimeter set to 1013.25 mbar (29.92 inHg) air pressure.

Pressure Altitude

Altitude measured at standard pressure at MSL (1013.25 mbar / 29.92 inHg) using

a barometric altimeter. Pressure altitude is the indicated altitude corrected for installation

and instrument errors. Within this manual the instrument errors are assumed to be zero.

Aerodrome/Airport Pressure

Actual atmospheric pressure at the aerodrome/airport altitude.

Wind The wind speeds used in the diagrams in this manual should be referred to as headwind

or tailwind components of the measured wind.

Page 0-4 Initial issue

Power Plant

hp Horsepower

kW Kilowatt

Takeoff Power

Maximum engine power for takeoff.

Maximum Continuous Power

Maximum permissible continuous engine output power during flight.

Flight Performance and Flight Planning

Demonstrated Crosswind Component

The maximum speed of the crosswind component at which the maneuverability of the aircraft

during takeoff and landing has been demonstrated during type certification test flights.

Service Ceiling

The altitude at which the maximum rate of climb is 100 fpm / 0.5 m/s.

Weight and Balance

Reference Datum (RD)

An imaginary vertical plane from which all horizontal distances for the center of gravity calculations are

measured. The Reference Datum is located 1.975 m / 77.76 in forward direction from inner surface

of the firewall, perpendicular to the longitudinal axis of the aircraft.

Station A defined point along the longitudinal axis which is generally presented as a specific distance

from the reference datum.

Lever Arm The horizontal distance from the reference datum to the center of gravity (of a component).

Moment The weight of a component multiplied by its lever arm.

Center of Gravity (CG)

Point of equilibrium for the aircraft weight.

CG position

Distance from the reference datum to the CG. It is determined by dividing the total moment

(sum of the individual moments) by the total weight.

Center of Gravity Limits

The CG range which an aircraft with a given weight must be operated within.

MAC Mean Aerodynamic Chord

Usable Fuel

The amount of fuel available for the flight plan calculation.

Unusable Fuel

The amount of fuel remaining in the tank, which cannot be safely used in flight.

Empty Weight

Weight of the aircraft including all operating fluids and maximum oil amount without unusable fuel.

Basic Empty Weight

Weight of the aircraft including all operating fluids and maximum oil amount with unusable fuel.

Useful Load

The difference between takeoff weight and empty weight.

Maximum Takeoff Weight

Maximum weight permissible for takeoff.

Initial issue Page 0-5

Equipment

ALT Altitude or Altimeter

ASI Airspeed Indicator

CDI Course Deviation Indicator

COMM Communication Transceiver

CRS Course

EFIS Electronic Flight Information System

ELT Emergency Locator Transmitter

EMS Engine Monitoring System

EPS Emergency Parachute System

GPS Global Positioning System

HDG Heading

MFD Multi-function Display

OEM Original Equipment Manufacturer, company that controls the engineering and design rights for the LSA

or an assembly, subassembly, accessory, or part installed in the aircraft, the consumable material, tools,

fixtures, and test equipment used to service or maintain the aircraft.

VSI Vertical Speed Indicator

Miscellaneous

ATC Air Traffic Control

CS-LSA Certification Specification for Light Sport Aeroplanes

EASA European Aviation Safety Agency

IFR Instrument Flight Rules

PIC Pilot in Command

POH Pilot’s Operating Handbook

VFR Visual Flight Rules

RWY Runway

Page 0-6 Initial issue

0.7 Conversion Factors

Length or Altitude

1 [m] = 3.281 [ft]

1 [ft] = 0.305 [m]

1 [m] = 39.37 [in]

1 [in] = 0.0254 [m]

1 [km] = 0.5399 [nm]

1 [nm] = 1.852 [km]

Speed

1 [km/h] = 0.54 [knots]

1 [knots] = 1.852 [km/h]

1 [m/s] = 1.9425 [knots]

1 [knots] = 0.5148 [m/s]

1 [m/s] = 196.86 [fpm]

1 [fpm] = 0.00508 [m/s]

Pressure

1 [atm] = 1013.25 [mbar] = 101325 [Pa] = 29.92 [inHg]

1 [inHg] = 0.03342 [atm] = 33.865 [mbar] = 3386.5 [Pa]

Weight

1 [kg] = 2.205 [lb]

1 [lb] = 0.454 [kg]

Volume

1 [liter] = 0.2642 [U. S. gallon]

1 [U. S. gallon] = 3.785 [liter]

Area

1 [m2] = 10.76 [ft2]

1 [ft2] = 0.0929 [m2]

 
 
Initial issue Page 1-1 
1GENERAL INFORMATION 
 
TABLE OF CONTENTS 
 
 
1.1 GENERAL ...............................................................................................................1-2 
1.2 INTRODUCTION TO THE POH..................................................................................1-2 
 Warnings, Cautions and Notes.......................................................................................1-2 
 Procedures .....................................................................................................................1-2 
1.3 INTRODUCTION TO THE AIRCRAFT .........................................................................1-3 
 Dimensions.....................................................................................................................1-3 
 Engine.............................................................................................................................1-3 
 Propeller.........................................................................................................................1-3 
 Three View Drawing.......................................................................................................1-4 
 Ground Turning Clearance .............................................................................................1-5 
1.4 SUMMARY OF PERFORMANCE...............................................................................1-6 
 Weights ..........................................................................................................................1-6 
 Top and Cruise Speeds...................................................................................................1-6 
1.4.2.1 Top Speeds at Sea Level.................................................................................................1-6 
1.4.2.2 Cruise Speeds at Altitudes and Power Setting...............................................................1-6 
 Fuel Operating Ranges ...................................................................................................1-7 
 Rate of Climb..................................................................................................................1-7 
 Stall Speeds ....................................................................................................................1-7 
 Approved Fuel Types and Fuel Capacity ........................................................................1-8 
 Maximum Engine Power Output....................................................................................1-8 
 Specific Loadings ............................................................................................................1-8 
 

Page 1-2 Initial issue

1.1 General

This chapter contains information of general interest to pilots and owners. You will find useful information to

familiarize yourself with the aircraft, such as dimensions, ground turning clearance, loading, fuelling and summary of

performance.

1.2 Introduction to the POH

Warnings, Cautions and Notes

The following highlighting styles are used in this handbook to focus attention on particular information that is

important.

WARNING

Warnings are used to call attention to operating procedures that if

not strictly observed, may result in personal injury or loss of life!

CAUTION

Cautions are used to call attention to operating procedures that if

not strictly observed, may result in damage of equipment!

NOTE

Notes are used to call attention to any special item, not directly

related to safety, but which is important or unusual.

Procedures

The procedures, listed in this POH are formed into tables with three columns as shown in the example below:

Column A

Column B

Column C

Item 1

OFF

ITEM 2

As required

ITEM 3 handle

OPEN, carefully

Column A contains letters in the alphabetical order, defining the order of the actions in the procedure.

Plain text in Column B defines the item, which is not marked by a placard in the cabin, but is generally identifiable; or

supplements the other text.

Bold capital text in column B defines the item, which is marked by a placard with the identical expression in the cabin.

Plain text in Column C defines the setting or action which is generally understandable; or supplements the other text.

Capital text in Column C defines the setting or action, which usually changes the state of the item from one setting to

another; and/or emphasizes the importance of the setting or action.

Bold capital text in Column C defines the setting or action, which is marked by a placard with the identical expression

in the cabin.

Initial issue Page 1-3

1.3 Introduction to the Aircraft

Dimensions

Wing area

10.500 m2

112.98 ft2

Wing span

8.926 m

29.28 ft

Overall length

6.460 m

21.19 ft

Maximum height

1.850 m

6.07 ft

Wheel base

1.400 m

4.59 ft

Main landing gear track

2.240 m

7.35 ft

Maximum propeller diameter

1.750 m

68.90 in

Mean aerodynamic chord (MAC)

1.172 m

3.84 ft

Engine

Number of engines

Number of cylinders

Engine manufacturer

BRP-Rotax GmbH & Co KG

Engine model number

Rotax 912 ULS2

Engine type

Horizontally opposed, geared, normally

aspirated, spark ignition

Cooling

Combined liquid and air

Maximum takeoff power at 5800 rpm (max. 5 min.)

73.5 kW / 100 hp

Maximum continuous power at 5500 rpm

69.0 kW / 92.5 hp

Propeller

Number of propellers

Propeller manufacturer

PRODUCTION EVRA, Creil, France

Propeller model number

EVRA PerformanceLine 175/xxx/805.5

Number of blades

Propeller diameter

1.750 m (68.90 in)

Propeller type

Fixed pitch, ground adjustable

Pitch setting (measured 200 mm from blade tip)

23°

Page 1-4 Initial issue

Three View Drawing

Fig. 1-1 Three view drawing

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