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P-3AT instruction manual REV#0705 (pdf, 5.8 MB) --------Original, P-3AT instruction manual (pdf, 2.8 MB) OBSOLETE: current production manual above.
SU-16 A, B, C, and CA model instruction manual, REV#0605 (pdf, 30 MB) --------Original, SU-16 A-model only instruction manual. (pdf, 8.5 MB) OBSOLETE: current production manual above