Narrative:

While descending on a radar vector from the north; left base; runway 08; the first officer and I witnessed a drone aircraft passing off the left wing of the aircraft. We were at 5;800M (approximately 3;700 feet AGL). It was difficult to ascertain the direction of flight or whether it was climbing or descending. Because there were no references/perspective; it was also difficult to figure out its size. I believe it was approximately 100 to 200 feet away based on the drones I've seen in the past; but that is just a guess. Both of us believe it had at least two propellers as the pylons were recognizable as we flew by. The vehicle was white and was square shaped. I had it in view as we passed by from the 10 to 8 o'clock position. Phoenix approach was notified as we passed the drone--location and altitude were provided.

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Original NASA ASRS Text

Title: B-737 Captain reported encountering a drone while being vectored for landing at PHX.

Narrative: While descending on a radar vector from the north; left base; Runway 08; the First Officer and I witnessed a drone aircraft passing off the left wing of the aircraft. We were at 5;800M (approximately 3;700 feet AGL). It was difficult to ascertain the direction of flight or whether it was climbing or descending. Because there were no references/perspective; it was also difficult to figure out its size. I believe it was approximately 100 to 200 feet away based on the drones I've seen in the past; but that is just a guess. Both of us believe it had at least two propellers as the pylons were recognizable as we flew by. The vehicle was white and was square shaped. I had it in view as we passed by from the 10 to 8 o'clock position. Phoenix Approach was notified as we passed the drone--location and altitude were provided.

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.