1) General subject: guideless, ruleless, ungoverned, unpiloted, unruled, uncontrolled, wild (usu. teenagers), intractable, rudderless, dysregulated
2) Aviation: unguided
3) Colloquial: out of line
4) Engineering: nondriven, out-of-control
5) General subject: unruly
6) Law: ungovernable
7) Accounting: unmanageable (о предприятии)
8) Automobile industry: unsteered
9) Jargon: unscrewed, unzipped, unglued
10) Information technology: erratic
11) Oil: nonsteerable
12) Astronautics: unstabilized
13) Mechanics: incontrollable
14) Drilling: uncontrollable
15) Automation: nonsupervised
17) Phraseological unit: loose cannon (on the deck)
Универсальный русско-английский словарь. Академик.ру. 2011.