Commercial Fixed Wing
Situational Awareness
Airspace Violation All Types; Conflict NMAC; Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Unauthorized Flight Operations (UAS); Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Requested ATC Assistance / Clarification
Environment - Non Weather Related; Human Factors
Aircraft X was arriving in from the northeast of ZZZ; was cleared for the ZZZZZ3 arrival; and had been cleared direct to ZZZZZ intersection at 8;000 feet. Company aircraft was at 8;000 feet when a small drone passed on left side just below the left wing. Pilot did report it to ZZZ Center; just prior to being handed off to Approach. The drone appeared to have four greenish colored lights on it and was maybe 50 feet to 100 feet below aircraft.
Air taxi flight crew was on a descent when they noticed a small UAS within 50-100 feet of their flight path. Crew notified ATC.