14 CFR § 137.23 - Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.

---
identifier: "/us/cfr/t14/s137.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 137.23 - Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "137.23"
section_name: "Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "G"
subchapter_name: "AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS"
part_number: "137"
part_name: "AGRICULTURAL AIRCRAFT OPERATIONS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "49 U.S.C. 106(g), 40103, 40113, 44701-44702."
regulatory_source: "Docket 1464, 30 FR 8106, June 24, 1965, unless otherwise noted."
cfr_part: "137"
---


# 137.23 Carriage of narcotic drugs, marihuana, and depressant or stimulant drugs or substances.

If the holder of a certificate issued under this part permits any aircraft owned or leased by that holder to be engaged in any operation that the certificate holder knows to be in violation of § 91.19(a) of this chapter, that operation is a basis for suspending or revoking the certificate.

[Docket 12035, 38 FR 17493, July 2, 1973, as amended by Amdt. 137-12, 54 FR 34332, Aug. 18, 1989]