 All tracks by Bruce Dickinson, Paul Samson, Chris Aylmer and Thunderstick except "Thunderburst" by Dickinson, Samson, Aylmer, Thunderstick and Steve Harris



Charts 
UK #34



"Head On" has seen numerous CD re-issues over the years.The first came in 1989 courtesy of German company Repertoire and in 1990 via Grand Slamm in the U.S. and Jimco in Japan, followed by Bruce Dickinson's short-lived Air Raid label in 2000.The re-issues on Castle/Sanctuary (2001) and Lemon (2013) both contain a pair of bonus tracks, "Angel with a Machine Gun" and "Kingsway Jam", not included on the earlier editions.