14 C.F.R. § 125.321 Reporting potentially hazardous meteorological conditions and irregularities of ground and navigation facilities.
Title 14 - Aeronautics and Space
Whenever the pilot in command encounters a meteorological condition or an irregularity in a ground or navigational facility in flight, the knowledge of which the pilot in command considers essential to the safety of other flights, the pilot in command shall notify an appropriate ground station as soon as practicable.
Title 14: Aeronautics and Space
PART 125—CERTIFICATION AND OPERATIONS: AIRPLANES HAVING A SEATING CAPACITY OF 20 OR MORE PASSENGERS OR A MAXIMUM PAYLOAD CAPACITY OF 6,000 POUNDS OR MORE; AND RULES GOVERNING PERSONS ON BOARD SUCH AIRCRAFT
Subpart J—Flight Operations
§ 125.321 Reporting potentially hazardous meteorological conditions and irregularities of ground and navigation facilities.
