P-1のレーダーは4面で正解だな。
https://battle-machines.org/2015/12/06/boeing-p-8a-vs-kawasaki-p-1-the-comparison-of-modern-mpas/
 The P-1 has 4 arrays of Toshiba HPS-106 (1 in the nose, 2 on the side just below the cockpit and 1 in the tail).