--- title: "CS 25.1501 – CS 25.1593: SUBPART G – OPERATING LIMITATIONS AND INFORMATION (CS-25) — rule index · Avioverse" description: "CS 25.1501 – CS 25.1593, CS-25. (See AMC 25.1501) (a) Each operating limitation specified in CS 25.1503 to 25.1533 and other limitations and information…" url: "https://avioverse.aero/regulations/easa/cs-25/subpart-g" --- # SUBPART G – OPERATING LIMITATIONS AND INFORMATION Large Aeroplanes (CS-25) · CS-25 · CS 25.1501 – CS 25.1593 On this page 1. ## [CS 25.1501 General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1501) (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… [AMC 25.1501 Operating Limitations and Information - General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1501#amc-25-1501) 2. ## [CS 25.1503 Airspeed limitations: general](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1503) When airspeed limitations are a function of weight, weight distribution, altitude, or Mach number, limitations corresponding to each critical combination… 3. ## [CS 25.1505 Maximum operating limit speed](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1505) 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… 4. ## [CS 25.1507 Manoeuvring speed](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1507) The manoeuvring speed must be established so that it does not exceed the design manoeuvring speed VA determined under CS 25.335(c). 5. ## [CS 25.1511 Flap extended speed](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1511) 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… 6. ## [CS 25.1513 Minimum control speed](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1513) The minimum control speed VMC determined under CS 25.149 must be established as an operating limitation. 7. ## [CS 25.1515 Landing gear speeds](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1515) 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… 8. ## [CS 25.1516 Other speed limitations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1516) Any other limitation associated with speed must be established. 9. ## [CS 25.1517 Rough air speed, VRA](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1517) 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… 10. ## [CS 25.1519 Weight, centre of gravity and weight distribution](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1519) (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](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1519#amc-25-1519) 11. ## [CS 25.1521 Powerplant limitations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1521) (See AMC 25.1521) (a) General. The powerplant limitations prescribed in this paragraph must be established so that they do not exceed the corresponding… [AMC 25.1521 Power-plant limitations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1521#amc-25-1521) 12. ## [CS 25.1523 Minimum flight crew](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1523) (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… [AMC 25.1523 Minimum flight crew](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1523#amc-25-1523) 13. ## [CS 25.1525 Kinds of operation](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1525) 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… 14. ## [CS 25.1527 Ambient air temperature and operating altitude](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1527) The extremes of the ambient air temperature and operating altitude for which operation is allowed, as limited by flight, structural, powerplant… 15. ## [CS 25.1529 Instructions for Continued Airworthiness](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1529) Instructions for Continued Airworthiness in accordance with Appendix H must be prepared. 16. ## [CS 25.1531 Manoeuvring flight load factors](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1531) Load factor limitations, not exceeding the positive limit load factors determined from the manoeuvring diagram in CS 25.333(b), must be established. 17. ## [CS 25.1533 Additional operating limitations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1533) (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](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1533#amc-25-1533-a-3) 18. ## [CS 25.1535 ETOPS Design approval](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1535) For an aeroplane configuration to be capable of ETOPS, the following are required: 19. ## [CS 25.1541 General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1541) (See AMC 25.1541) (a) The aeroplane must contain – (1) The specified markings and placards; [AMC 25.1541 Markings and placards — General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1541#amc-25-1541) 20. ## [CS 25.1543 Instrument markings; general](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1543) (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… [AMC 25.1543 Instrument Markings - General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1543#amc-25-1543) 21. ## [CS 25.1545 Airspeed limitation information](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1545) (See AMC 25.1545) The airspeed limitations required by CS 25.1583(a) must be easily read and understood by the flight crew. [AMC 25.1545 Airspeed limitation information](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1545#amc-25-1545) 22. ## [CS 25.1547 Magnetic direction indicator](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1547) A placard meeting the requirements of this paragraph must be installed on, or near, the magnetic direction indicator. 23. ## [CS 25.1549 Powerplant instruments](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1549) (See AMC 25.1549) For each required powerplant instrument, as appropriate to the type of instrument: [AMC 25.1549 Powerplant instruments](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1549#amc-25-1549) 24. ## [CS 25.1551 Oil quantity indicator](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1551) Each oil quantity indicating means must be marked to indicate the quantity of oil readily and accurately. 25. ## [CS 25.1553 Fuel quantity indicator](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1553) 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… 26. ## [CS 25.1555 Control markings](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1555) 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… 27. ## [CS 25.1557 Miscellaneous markings and placards](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1557) (See AMC 25.1557) (a) Baggage and cargo compartments and ballast location. [AMC 25.1557(a) Baggage and Cargo Compartment and Ballast Location](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1557#amc-25-1557-a) 28. ## [CS 25.1561 Safety equipment](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1561) 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… 29. ## [CS 25.1563 Airspeed placard](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1563) 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… 30. ## [CS 25.1581 General](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1581) (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](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1581#amc-25-1581) [AMC 25.1581 Appendix 1 Computerised Aeroplane Flight Manual](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1581#amc-25-1581-2) [AMC 25.1581 Appendix 2 Aeroplane Flight Manual Specification](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1581#amc-25-1581-3) 31. ## [CS 25.1583 Operating limitations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1583) (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](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1583#amc-25-1583-i) [AMC 25.1583(k) Maximum Depth of Runway Contaminants for Take-off Operations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1583#amc-25-1583-k) 32. ## [CS 25.1585 Operating procedures](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1585) Operating procedures must be furnished for – (1) Normal procedures peculiar to the particular type or model encountered in connection with routine… 33. ## [CS 25.1587 Performance information](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1587) Each aeroplane Flight Manual must contain information to permit conversion of the indicated temperature to free air temperature if other than a free air… [AMC 25.1587(c) Landing distances in abnormal configurations](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1587#amc-25-1587-c) 34. ## [CS 25.1591 Take-off performance information for operations on slippery wet and contaminated runways](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1591) (See AMC 25.1591) (a) Supplementary take-off performance information applicable to aeroplanes operated on slippery wet runways and on runways… [AMC 25.1591 The derivation and methodology of performance information for use when taking-off from slippery wet and contaminated runways](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1591#amc-25-1591) 35. ## [CS 25.1592 Performance information for assessing the landing distance](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1592) (See AMC 25.1592) (a) At the discretion of the applicant, supplementary landing performance information may be furnished for aeroplanes landing on… [AMC 25.1592 The derivation and methodology of performance information for use when landing on slippery wet and contaminated runways to support the dispatch of a flight, and landing assessment performance at the time of arrival in all runway surface conditions](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1592#amc-25-1592) 36. ## [CS 25.1593 Exposure to volcanic cloud hazards](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1593) (See AMC 25.1593) The susceptibility of aeroplane features to the effects of volcanic cloud hazards must be established. [AMC 25.1593 Exposure to volcanic cloud hazards](https://avioverse.aero/regulations/easa/cs-25/subpart-g/cs-25-1593#amc-25-1593) Consolidated from the EASA Easy Access Rules (revision 26 Jan 2023, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use. Share [LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Fcs-25%2Fsubpart-g)[X](https://twitter.com/intent/tweet?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Fcs-25%2Fsubpart-g\&text=SUBPART%20G%20%E2%80%93%20OPERATING%20LIMITATIONS%20AND%20INFORMATION%20%E2%80%94%20CS-25)