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) A minor problem and its correction.
) A better technical design.
If you do not follow a Recommended Service Bulletin, it will not cause a failure. But it may cause
increased maintenance work.
If you do follow a Recommended Service Bulletin:
) The maintenance work may be reduced (for example, reduced wear, increased life).
) The operational behavior will be improved (for example, easier engine starting).
D. Optional Service Bulletins
Optional Service Bulletins give data about optional equipment that you can install in an airplane (for
example, sailplane towing device).
The airplane owner makes the decision to follow an Optional Service Bulletin.
6. Service Instructions
A Service Instruction tells the operator about permitted installations or additional equipment. It also
gives the applicable technical data.
AIRCRAFT
DA 40 Series
AMM
Manual Organization
Doc # 6.02.01
Rev. 5 02-00-00 Page 3
20 Sep 2007
7. Abbreviations
Where possible, the abbreviations used correspond with the related regulations.
ACL Anti-Collision Light
ADF Automatic Direction Finder
A.M.E. Aircraft Maintenance Engineer
A&P Aircraft and Power Plant Mechanic
ASI Airspeed Indicator
% CAN Controller Area Network
CFRP Carbon Fiber Reinforced Plastic
DME Distance Measuring Equipment
ELT Emergency Locator Transmitter
% FADEC Full Authority Digital Engine Control
FRP Fiber Reinforced Plastic
GFRP Glass Fiber Reinforced Plastic
GPS Global Positioning System
G/S Glide Slope
IFR Instrument Flight Rules
HSI Horizontal Situation Indicator
LOC Localizer
OAT Outside Air Temperature
SB Service Bulletin
S/N Serial Number
TBO Time Between Overhaul
TSMOH Time Since Major Overhaul
UHF Ultra High Frequency
TTSN Total Time Since New
VFR Visual Flight Rules
VHF Very High Frequency
VOR VHF Omni-directional Ranging
VSI Vertical Speed Indicator
AIRCRAFT
Manual Organization DA 40 Series
AMM
Page 4
20 Sep 2007 02-00-00 Doc # 6.02.01
Rev. 5
8. Conversion Factors and Abbreviations
Dimension
Unit [Abbreviation]
Conversion Factor
SI to US/Imperial
Conversion Factor
US/Imperial to SI
Length
Meter [m]
Millimeter [mm]
Kilometer [km]
Inch [in]
Foot [ft]
Nautical mile [nm]
Statute mile [sm]
[m] / 0.3048 = [ft]
[mm] / 25.4 = [in]
[km] / 1.852 = [nm]
[km] / 1.609 = [sm]
[in] x 25.4 = [mm]
[ft] x 0.3048 = [m]
[nm] x 1.852 = [km]
[sm] x 1.609 = [km]
Velocity
Kilometers per hour [km/h]
Meters per second [m/s]
Miles per hour [mph]
Knots [kts]
Feet per minute [fpm]
[km/h] / 1.852 = [kts]
[km/h] / 1.609 = [mph]
[m/s] x 196.85 = [fpm]
[mph] x 1.609 = [km/h]
[kts] x 1.852 = [km/h]
[fpm] / 196.85 = [m/s]
Rotational Speed
Revolutions per minute [RPM] [RPM] = [min-1]
Pressure
Bar [bar]
Hectopascal [hPa] = Millibar [mbar]
Pounds per square inch [psi]
Inches of mercury column [inHg]
[bar] x 14.5038 = [psi]
[hPa] / 33.864 = [inHg]
[mbar] / 33.864 = [inHg]
[psi] / 14.5038 = [bar]
[inHg] x 33.864 = [hPa]
[inHg] x 33.864 = [mbar]
AIRCRAFT
DA 40 Series
AMM
Manual Organization
Dimension
Unit [Abbreviation]
Conversion Factor
SI to US/Imperial
Conversion Factor
US/Imperial to SI
Doc # 6.02.01
Rev. 5 02-00-00 Page 5
20 Sep 2007
Force or Weight
Newton [N]
Decanewton [daN]
Pound [lb]
[N] / 4.448 = [lb]
[daN] / 0.4448 = [lb]
[lb] x 4.448 = [N]
[lb] x 0.4448 = [daN]
Mass ('Weight')
Kilogram [kg]
Pound [lb]
[kg] / 0.45359 = [lb]
[lb] x 0.45359 = [kg]
Volume
Liter [l]
US gallon [US gal]
US quart [US qt]
Imperial gallon [Imp gal]
Cubic inch [in3]
[l] / 3.7854 = [US gal]
[l] / 0.9464 = [US qts]
[l] / 4.5459 = [Imp gal]
[l] / 61.024 = [in3]
[US gal] x 3.7854 = [l]
[US qt] x 0.9464 = [l]
[Imp gal] x 4.5459 = [l]
[in3] x 61.024 = [l]
Torque
Newton meter [Nm]
Foot pound [ft.lb]
Inch pound [in.lb]
[Nm] / 1.3558 = [ft.lb]
[Nm] x 8.851 = [in.lb]
[ft.lb] x 1.3558 = [Nm]
[in.lb] / 8.851 = [Nm]
Temperature
Degree Celsius [°C]
Degree Fahrenheit [°F]
[°C] x 1.8 + 32 = [°F]
([°F] - 32) / 1.8 = [°C]
Note: In this Airplane Maintenance Manual masses are referred to as weights. The
authors accept that this is technically incorrect but have used the expression for
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钻石40系列AMM 1(19)
