19 May 1980 School Hill Afternoon watch start 1610 (1510) 425 all 5 | 430 ?523?524| 435 " | (Ind) 440 core 3 | ?523 445 core 3 | 450 core 3 | 455 core 3 NI 500 core 3 I 505 core 3?52? 510 core 3 | WA?523?524| 515 ? 520 ? 530 ... 535 .... 555 | 605 core 3 | 610 core 3 I 615 core 3 ?523 620 all 5 | 625 ? 630 ?523 | 635 ? 640 ? 645 core 3 | 650 " | (NI)?523| 655 core 3 (I) ?523 700 ? 710 core 3 ?523 715 core 3?523| 720 core 3 I 725 core 3 | 730 core 3 (NI) 735 core 3 /NF 740 core 3 +?523| 195 min 1625 - 1940 19 May (20 May) morning ?260 followed by both ?86 by 86 alone ?402 alone ?523 not followed ?524 not followed (II) 19 May 1980 0605 core 3 ?523?524 | 0605 core 3 | ?523 | 610 " " NI 615 " " NI 625 all 5 | 630 " I NI 635 " I NI 640 " I NI 645 " I NI 650 " I NI 655 core 3 | I 700 ?260 everyone else (in nest) (in groupy) 705 core 3?524|?523 710 ?402?260?524| western ?86?523 715 core 3 | ?523?524 720 core 3?524|?523 725 core 3?523?524| 730 core 3 NI 735 core 3?524 | 740 ? 745 ? 815 core 3 | 820 core 3 ?524| 825 core 3| 830? 845 ?260|?86?402 850 ? 855 core 3 | 900 " | I 905 " NI 150 min ?86?