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  5. § 135.185
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14 CFR · Part 135

14 CFR § 135.185

Empty weight and center of gravity: Currency requirement.

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Read in Subpart C
Part 135 Contents
  • Subpart A: General
  • Subpart B: Flight Operations
  • Subpart C: Aircraft and Equipment
  • Subpart D: VFR/IFR Operating Limitations and Weather Requirements
  • Subpart E: Flight Crewmember Requirements
  • Subpart F: Crewmember Flight Time and Duty Period Limitations and Rest Requirements
  • Subpart G: Crewmember Testing Requirements
  • Subpart H: Training
  • Subpart I: Airplane Performance Operating Limitations
  • Subpart J: Maintenance, Preventive Maintenance, and Alterations
  • Subpart K: Hazardous Materials Training Program
  • Subpart L: Helicopter Air Ambulance Equipment, Operations, and Training Requirements
  • Appendix A to Part 135: Additional Airworthiness Standards for 10 or More Passenger Airplanes
  • Appendix B to Part 135: Airplane Flight Recorder Specifications
  • Appendix C to Part 135: Helicopter Flight Recorder Specifications
  • Appendix D to Part 135: Airplane Flight Recorder Specification
  • Appendix E to Part 135: Helicopter Flight Recorder Specifications
  • Appendix F to Part 135: Airplane Flight Recorder Specification
  • Appendix G to Part 135: Extended Operations (ETOPS)
(a)

No person may operate a multiengine aircraft unless the current empty weight and center of gravity are calculated from values established by actual weighing of the aircraft within the preceding 36 calendar months.

(b)

Paragraph (a) of this section does not apply to—

(1)

Aircraft issued an original airworthiness certificate within the preceding 36 calendar months; and

(2)

Aircraft operated under a weight and balance system approved in the operations specifications of the certificate holder.

Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.

Primary Source

  • Official Source (14 CFR · Part 135)