10.
When reference is made to series, type and group in the limitation section of class A and B, series means a specific type series such as Airbus 300 or 310 or 319 or Boeing 737-300 series or RB211-524 series or Cessna 150 or Cessna 172 or Beech 55 series or continental O-200 series etc; type means a specific type or model such as Airbus 310-240 type or RB 211-524 B4 type or Cessna 172RG type; any number of series or types may be quoted; group means for example Cessna single piston engine aircraft or Lycoming non-supercharged piston engines etc.
11.
When a lengthy capability list is used which could be subject to frequent amendment, then such amendment may be in accordance with the indirect approval procedure referred to in points M.A.604(c) and M.B.606(c) or 145.A.70(c) and 145.B.40, as applicable.
12.
A maintenance organisation which employs only one person to both plan and carry out all maintenance can only hold a limited scope of approval rating. The maximum permissible limits are:
CLASS RATING LIMITATION
CLASS AIRCRAFT RATING A2 AEROPLANES 5700 KG AND BELOW PISTON ENGINE 5700 KG AND BELOW
CLASS AIRCRAFT RATING A3 HELICOPTERS SINGLE PISTON ENGINE 3175 KG AND BELOW
CLASS AIRCRAFT RATING A4 AIRCRAFT OTHER THAN A1, A2 AND A3 NO LIMITATION
CLASS ENGINES RATING B2 PISTON LESS THAN 450 HP
CLASS COMPONENTS RATING OTHER THAN COMPLETE ENGINES OR APU’S. C1 TO C22 AS PER CAPABILITY LIST
CLASS SPECIALISED D1 NDT NDT METHOD(S) TO BE SPECIFIED.
It should be noted that such an organisation may be further limited by the competent authority in the scope of approval dependent upon the capability of the particular organisation.
EU 127/2010
PART-M Appendices
EU 127/2010
13. Table
CLASS RATING LIMITATION BASE LINE
AIRCRAFT A1 Aeroplanes above 5700 kg [Rating reserved to Maintenance Organisations approved in accordance with Annex II (Part-145)] [Shall state aeroplane manufacturer or group or series or type and/or the maintenance tasks] Example: Airbus A320 Series [YES/ NO]* [YES/ NO]*
A2 Aeroplanes 5700 kg and below [Shall state aeroplane manufacturer or group or series or type and/or the maintenance tasks] Example: DHC-6 Twin Otter Series [YES/ NO]* [YES/ NO]*
A3 Helicopters [Shall state helicopter manufacturer or group or series or type and/or the maintenance task(s)] Example: Robinson R44 [YES/ NO]* [YES/ NO]*
A4 Aircraft other than A1, A2 and A3 [Shall state aircraft series or type and/or the maintenance task(s).] [YES/ NO]* [YES/ NO]*
ENGINES B1 Turbine [Shall state engine series or type and/or the maintenance task(s)] Example: PT6A Series
B2 Piston [Shall state engine manufacturer or group or series or type and/or the maintenance task(s)]
B3 APU [Shall state engine manufacturer or series or type and/or the maintenance task(s)]
COMPONENTS OTHER THAN COMPLETE ENGINES OR APUs C1 Air Cond & Press [Shall state aircraft type or aircraft manufacturer or component manufacturer or the particular component and/ or cross refer to a capability list in the exposition and/or the maintenance task(s).] Example: PT6A Fuel Control
C2 Auto Flight
C3 Comms and Nav
C4 Doors – Hatches
C5 Electrical Power & Lights
C6 Equipment
C7 Engine – APU
C8 Flight Controls
C9 Fuel
C10 Helicopter – Rotors
C11 Helicopter – Trans
C12 Hydraulic Power
C13 Indicating -recording system
C14 Landing Gear
C15 Oxygen
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