Sec. 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.
[Doc. No. 12035, 38 FR 17493, July 2, 1973, as
amended by Amdt. 137-12, 54 FR 34332, Aug. 18, 1989]