Rockwell Collins (NYSE: COL), the Cedar Rapids, Iowa-based avionics company that recently acquired B/E Aerospace, is reported to be an acquisition target of jet-engine manufacturer United Technologies Corp. (NYSE: UTX).

The potential combination could bring together the largest and the fourth-largest aircrafts parts manufacturers and be among the largest deals in the industry, according to reports by Bloomberg and Reuters. Rockwell Collins has a market cap of $19.3 billion; United Technologies has…