DRS

Dek Regulatory System

Welcome to the World of Certification!

Textron Aviation Inc. 525: certification basis

TCDS EASA.IM.A.078 revision 19 (7 May 2026) · Normal · EASA · Source TCDS

Export CSV Export JSON All entries: /aircraft/easa/EASA.IM.A.078/525/basis.csv

Basis entries as written on the TCDS

  1. REG

    (525-0001 through 525-0599) Code of Federal Regulations Title 14, Part 23, effective February 1, 1965, as amended by Amendments 23-1 thorough 23-38, and 23-40; The EASA Aircraft Type Certification standard includes that of FAA TCDS A1WI, based on individual EU member state acceptance or certification of this standard prior to 28 September 2003; Other standards conforming to TC/TCDS standards certified by individual EU member States prior to 28 September 2003 are also acceptable. (525-0600 through 525-0684 and 525-0686 through 525-0701)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  2. REG

    Code of Federal Regulations Title 14, Part 23, effective February 1, 1965, as amended by Amendments 23-1 through 23-38, and 23-40; except for the following paragraphs applicable for engines and FADEC’s which are CS23.611, 23.777, 23.779, 23.781, 23.865, 23.867, 23.901, 23.903, 23.939, 23.943, 23.951, 23.955, 23.961, 23.973, 23.1011, 23.1013, 23.1019, 23.1021, 23.1041, 23.1043, 23.1045, 23.1091, 23.1093, 23.1103, 23.1111, 23.1121, 23.1123, 23.1141, 23.1143, 23.1145, 23.1163, 23.1181, 23.1182, 23.1183, 23.1189, 23.1191, 23.1193, 23.1195, 23.1203, 23.1301, 23.1305, 23.1309, 23.1337, 23.1521, 23.1549, 23.1583; as amended through Amendment 23-1 through 23-38, and 23-40 through 23-54.

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  3. REG

    CS 23.1309(a) as amended through Amendment 3, for Portable Electronic Device (PED) tolerance only.

    Includes CS-23 §23.1309(a) through CS23-3 · current is CS23-6, 3 revisions later

    Expands to 1 provision link · shown below

  4. REG

    (525-0685 and 525-0800 and On) Code of Federal Regulations Title 14, Part 23, effective February 1, 1965, as amended by Amendments 23-1 through 23-38, and 23-40; except for the following paragraphs applicable for engines and FADEC’s which are CS23.611, 23.777, 23.779, 23.781, 23.865, 23.867, 23.901, 23.903, 23.939, 23.943, 23.951, 23.955, 23.961, 23.973, 23.1011, 23.1013, 23.1019, 23.1021, 23.1041, 23.1043, 23.1045, 23.1091, 23.1093, 23.1103, 23.1111, 23.1121, 23.1123, 23.1141, 23.1143, 23.1145, 23.1163, 23.1181, 23.1182, 23.1183, 23.1189, 23.1191, 23.1193, 23.1195, 23.1203, 23.1301, 23.1305, 23.1309, 23.1337, 23.1521, 23.1549, 23.1583; as amended through Amendment 23-1 through 23-28, and 23-40 through 23-54.

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  5. REG

    CS 23.1309(a) as amended through Amendment 3, for Portable Electronic Device (PED) tolerance only.

    Includes CS-23 §23.1309(a) through CS23-3 · current is CS23-6, 3 revisions later

    Expands to 1 provision link · Show the expansion

  6. REG

    Additions

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  7. REG

    Amendment Title Comments Level Maneuvering Loads CS 23, Amdt 2 Winglets only Gust loads CS 23, Amdt 2 Winglets only Outboard fins CS 23, Amdt 2 Winglets only

    Includes CS-23 through CS23-2 · current is CS23-6, 4 revisions later

    Expands to 377 provision links ! 1 text missing · Show the expansion

  8. REG

    23.575 Inspections and other procedures CS 23, Amdt 2 Winglets only Casting Factors CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  9. REG

    23.613 Material strength properties and CS 23, Amdt 2 Main landing gear design values actuator internal keylock and ramlock only

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  10. REG

    23.867 Lightning protection of structure CS 23, Amdt 2 Winglets only

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  11. REG

    23.929 Engine installation ice protection CS 23, Amdt 2 Entire aircraft Fuel system independence CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  12. REG

    23.957 Flow between interconnected tanks CS 23, Amdt 2 Entire aircraft Unusable fuel supply CS 23, Amdt 2 Entire aircraft Fuel Tank Sump CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  13. REG

    23.975 Fuel tank vents and carburetor vapor CS 23, Amdt 2 Entire aircraft vents Fuel tank outlet CS 23, Amdt 2 Entire aircraft Fuel pumps CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  14. REG

    23.993 Fuel system lines and fitting. CS 23, Amdt 2 Entire aircraft Fuel strainer or filter CS 23, Amdt 2 Entire aircraft Fuel system drains CS 23, Amdt 2 Entire aircraft Fuel jettisoning system CS 23, Amdt 2 Entire aircraft Lightning Protection CS 23, Amdt 2 For changed systems only

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  15. REG

    23.1308 High-Intensity Radiated Fields (HIRF) CS 23, Amdt 2 For changed Protection systems only

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  16. REG

    23.1543 Instrument markings: general CS 23, Amdt 2 Entire aircraft Fuel quantity indicator CS 23, Amdt 2 Entire aircraft Control markings CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  17. REG

    23.1557 Miscellaneous markings and placards CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  18. REG

    23.1559 Operating limitations placard CS 23, Amdt 2 Entire aircraft Airspeed placards CS 23, Amdt 2 Entire aircraft Flight maneuver placard CS 23, Amdt 2 Entire aircraft

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  19. REG

    (525-0685, 525-1400 and On)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  20. REG

    EASA Regulation No. EASA Amdt. Level

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  21. REG

    CS 23.1309(a)(1) CS 23 Amdt. 3

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  22. REG

    CS 23.1309(a)(3) CS 23 Amdt. 3 (System Safety Aspects)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  23. REG

    CS 23.1309(b)(1) CS 23 Amdt. 3

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  24. REG

    CS 23.1309(b)(3) CS 23 Amdt. 3 (System Safety Aspects)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  25. REG

    23.2505(a) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  26. REG

    (AMC2 23.2505, CS-23 Amdt 4)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  27. REG

    23.2510(a) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  28. REG

    23.2605(a)(b)(c) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  29. REG

    23.2500(b) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  30. REG

    23.2505(a) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  31. REG

    (AMC2 23.2505, CS-23 Amdt 4)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  32. REG

    23.2510 CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  33. REG

    23.2500(b) CS 23 Amdt. 6

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  34. REG

    (525-0001 and On)

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  35. REG

    CS-23 regulations 23.2000, 23.2005, 23.2010, 23.2325(a)(2), 23.2410, 23.2510, 23.2525, and 23.2605, Amendment 6 (see note 9) for new or amended lithium battery systems only.

    Includes CS-23 §23.2000, §23.2005, §23.2010, §23.2410, §23.2510, §23.2525, §23.2605 through CS23-6

    Includes CS-23 §23.2325(a)(2) through CS23-6

    Expands to 8 provision links · Show the expansion

  36. REG

    Compliance with ice protection has been demonstrated in accordance with 14 CFR

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  37. REG

    §§23.1416 and 23.1419.

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  38. REG

    CS-ACNS, Issue 2 CS-FCD, Issue 2 CS-MMEL Issue 3

    Not linked to provisions yet: the line is not interpreted, or its document is not in the dataset.

  39. ◆ SPECIAL

    23-ACE-55, additional requirements for: Smoke evacuation, protection of electronic systems from lightning and high intensity radiated electromagnetic fields (HIRF) , electronic flight instruments displays, thrust attenuating systems (thrust attenuating systems not applicable 525- 0600 and On), engine fire extinguishing system, performance, including takeoff, takeoff speeds, accelerate-stop, takeoff path, takeoff distance and takeoff run, takeoff flight path, climb one engine inoperative, landing, balked landing, climb, minimum control speed, trim, static longitudinal stability, demonstration of static longitudinal stability, static directional and lateral stability, wings

  40. ◆ SPECIAL

    level stall, turning flight and accelerated stalls, stall warning, vibration and buffeting, high speed characteristics, airspeed indicating system, static pressure system, maximum operating speed limit, minimum flight crew, operating limitations, operating procedure, performance information, airspeed indicator, effects of contamination on Natural Laminar Flow airfoils, definitions, and AFM approved information.

  41. ◆ SPECIAL

    (525-0685 and 525-0800 and On equipped with Garmin G3000)

  42. ◆ SPECIAL

    CRI B-52 Human Factors - Integrated Avionics Systems and associated SC-B 23.div-01, Issue 1

  43. ◆ SPECIAL

    CRI F-93 Flight Recorders including Data Link Recording and associated SC-F23.1457-01, Issue

  44. ◆ SPECIAL

    SC-F23.2555-01 Lightweight flight recorder

  45. OTHER

    relaxed “Dutch Roll” damping criteria above 18,000 feet in lieu of damping criteria CS23.181(b).

  46. ELOS

    (525-0360 through 525-0701 equipped with Collins Proline 21 electronic displays of engine instruments): ACE-00-01: 14 CFR §§23.1305(c)(2), (c)(5), and 23.1549(a) through (d), direct reading, digital only displays for the high-pressure turbine speed (N2), and fuel flow indications.

  47. ELOS

    (525-0685 and 525-0800 and On equipped with Garmin G3000)

  48. ELOS

    (a) Number ACE-13-09: 14 CFR § 23.841(b)(6), Cabin Pressurization – High Altitude Takeoff and Landing Operations.

  49. ELOS

    (b) Number ACE-00-05C: 14 CFR § 23.841(a), to allow small temporary cabin altitude excursions above 15,000 feet in the event of any probable pressurization system failure.

  50. ELOS

    (c) Number ACE-13-17: 14 CFR § 23.1549(a) through (c), direct reading, digital only displays for the high-pressure turbine speed (N2), oil pressure, oil temperature and fuel flow indications

  51. ELOS

    (525-0685, 525-1400 and On equipped with Garmin 3D Safetaxi)

  52. ELOS

    ESF PCRI-0000399-0060092582 Indications Removal from Primary Flight Displays During Ground Phases

  53. OTHER

    ICAO Annex 16, Volume I, ICAO Annex 16, Volume II, Part II (further details refer to TCDSN.IM.078)

  54. Exemptions: none recorded.

Entry 3 expanded

Subpart F — Equipment CS-23 1 section
SectionTitleCut-offText versionChanged sinceStatus
§23.1309(a)Equipment, systems and installationsCS23-3CS23-02✓ Text available
Report an issue

Report an issue

Is something wrong with what you are looking at? Tell the maintainer; the report is filed against this page.

What kind of issue is it? (required)

Reports are posted publicly on GitHub with the address of this page. Please don't include personal information.