Narrative:

Before entering ZZZ class C airspace; I was instructed by ZZZ ATC to remain at or above 2500 feet. During level cruise at 3500 ft.; flying from north to south on approximate heading of 150 degrees; a four rotor drone with amber lights was sighted flying south to north off the right wing at the same altitude. The drone was sighted by the pilot and then witnessed by the passenger. The drone was flying to the north of but near the intersection of [two freeways]. I immediately reported the sighting to ZZZ ATC who commented that nothing showed on radar. Upon arrival at ZZZ1 I was asked by ZZZ1 tower to call ZZZ ATC to discuss the situation further.

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Original NASA ASRS Text

Title: PA-38 pilot reported an encounter with a drone at 150 feet off the aircraft wing tip.

Narrative: Before entering ZZZ Class C airspace; I was instructed by ZZZ ATC to remain at or above 2500 feet. During level cruise at 3500 ft.; flying from north to south on approximate heading of 150 degrees; a four rotor drone with amber lights was sighted flying south to north off the right wing at the same altitude. The drone was sighted by the pilot and then witnessed by the passenger. The drone was flying to the north of but near the intersection of [two freeways]. I immediately reported the sighting to ZZZ ATC who commented that nothing showed on radar. Upon arrival at ZZZ1 I was asked by ZZZ1 Tower to call ZZZ ATC to discuss the situation further.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.