SUBPART G – OPERATING LIMITATIONS AND INFORMATION
Large Aeroplanes (CS-25) · CS-25 · CS 25.1501 – CS 25.1593
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CS 25.1501 General
(See AMC 25.1501) (a) Each operating limitation specified in CS 25.1503 to 25.1533 and other limitations and information necessary for safe operation…
CS 25.1503 Airspeed limitations: general
When airspeed limitations are a function of weight, weight distribution, altitude, or Mach number, limitations corresponding to each critical combination…
CS 25.1505 Maximum operating limit speed
The maximum operating limit speed (VMO/MMO, airspeed or Mach number, whichever is critical at a particular altitude) is a speed that may not be…
CS 25.1507 Manoeuvring speed
The manoeuvring speed must be established so that it does not exceed the design manoeuvring speed VA determined under CS 25.335(c).
CS 25.1511 Flap extended speed
The established flap extended speed VFE must be established so that it does not exceed the design flap speed VF chosen under CS 25.335(e) and 25.345, for…
CS 25.1513 Minimum control speed
The minimum control speed VMC determined under CS 25.149 must be established as an operating limitation.
CS 25.1515 Landing gear speeds
The established landing gear operating speed or speeds, VLO, may not exceed the speed at which it is safe both to extend and to retract the landing gear…
CS 25.1516 Other speed limitations
Any other limitation associated with speed must be established.
CS 25.1517 Rough air speed, VRA
A rough air speed, VRA for use as the recommended turbulence penetration air speed, and a rough air Mach number MRA, for use as the recommended…
CS 25.1519 Weight, centre of gravity and weight distribution
(See AMC 25.1519) The aeroplane weight, centre of gravity, and weight distribution limitations determined under CS 25.23 to CS 25.27 must be established…
AMC 25.1519 Weight, centre of gravity and weight distribution
CS 25.1521 Powerplant limitations
(See AMC 25.1521) (a) General. The powerplant limitations prescribed in this paragraph must be established so that they do not exceed the corresponding…
CS 25.1523 Minimum flight crew
(See AMC 25.1523) The minimum flight crew must be established (see AMC 25.1523) so that it is sufficient for safe operation, considering – (a) The…
CS 25.1525 Kinds of operation
The kinds of operation to which the aeroplane is limited are established by the category in which it is eligible for certification and by the installed…
CS 25.1527 Ambient air temperature and operating altitude
The extremes of the ambient air temperature and operating altitude for which operation is allowed, as limited by flight, structural, powerplant…
CS 25.1529 Instructions for Continued Airworthiness
Instructions for Continued Airworthiness in accordance with Appendix H must be prepared.
CS 25.1531 Manoeuvring flight load factors
Load factor limitations, not exceeding the positive limit load factors determined from the manoeuvring diagram in CS 25.333(b), must be established.
CS 25.1533 Additional operating limitations
(See AMC 25.1533) (a) Additional operating limitations must be established as follows:
AMC 25.1533(a)(3) Take-off distances on runways with a grooved or porous friction course surface
CS 25.1535 ETOPS Design approval
For an aeroplane configuration to be capable of ETOPS, the following are required:
CS 25.1541 General
(See AMC 25.1541) (a) The aeroplane must contain – (1) The specified markings and placards;
CS 25.1543 Instrument markings; general
(See AMC 25.1543) For each instrument – (a) When markings are on the cover glass of the instrument, there must be means to maintain the correct alignment…
CS 25.1545 Airspeed limitation information
(See AMC 25.1545) The airspeed limitations required by CS 25.1583(a) must be easily read and understood by the flight crew.
CS 25.1547 Magnetic direction indicator
A placard meeting the requirements of this paragraph must be installed on, or near, the magnetic direction indicator.
CS 25.1549 Powerplant instruments
(See AMC 25.1549) For each required powerplant instrument, as appropriate to the type of instrument:
CS 25.1551 Oil quantity indicator
Each oil quantity indicating means must be marked to indicate the quantity of oil readily and accurately.
CS 25.1553 Fuel quantity indicator
If the unusable fuel supply for any tank exceeds 3.8 l (one gallon), or 5% of the tank capacity, whichever is greater, a red arc must be marked on its…
CS 25.1555 Control markings
Each cockpit control, other than primary flight controls and controls whose function is obvious, must be plainly marked as to its function and method of…
CS 25.1557 Miscellaneous markings and placards
(See AMC 25.1557) (a) Baggage and cargo compartments and ballast location.
AMC 25.1557(a) Baggage and Cargo Compartment and Ballast Location
CS 25.1561 Safety equipment
Each safety equipment control to be operated by the crew in emergency, such as controls for automatic liferaft releases, must be plainly marked as to its…
CS 25.1563 Airspeed placard
A placard showing the maximum airspeeds for wingflap extension for the take-off, approach, and landing positions must be installed in clear view of each…
CS 25.1581 General
(See AMC 25.1581) (a) Furnishing information. An aeroplane Flight Manual must be furnished with each aeroplane, and it must contain the following:
AMC 25.1581 Aeroplane flight manual
AMC 25.1581 Appendix 1 Computerised Aeroplane Flight Manual
AMC 25.1581 Appendix 2 Aeroplane Flight Manual Specification
CS 25.1583 Operating limitations
(See AMC 25.1583) (a) Airspeed limitations. The following airspeed limitations and any other airspeed limitations necessary for safe operation must be…
AMC 25.1583(i) Manoeuvring Flight Load Factors
AMC 25.1583(k) Maximum Depth of Runway Contaminants for Take-off Operations
CS 25.1585 Operating procedures
Operating procedures must be furnished for – (1) Normal procedures peculiar to the particular type or model encountered in connection with routine…
CS 25.1587 Performance information
Each aeroplane Flight Manual must contain information to permit conversion of the indicated temperature to free air temperature if other than a free air…
CS 25.1591 Take-off performance information for operations on slippery wet and contaminated runways
(See AMC 25.1591) (a) Supplementary take-off performance information applicable to aeroplanes operated on slippery wet runways and on runways…
CS 25.1592 Performance information for assessing the landing distance
(See AMC 25.1592) (a) At the discretion of the applicant, supplementary landing performance information may be furnished for aeroplanes landing on…
CS 25.1593 Exposure to volcanic cloud hazards
(See AMC 25.1593) The susceptibility of aeroplane features to the effects of volcanic cloud hazards must be established.
Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, extracted 17 Aug 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.
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