Delivered: 4/3/1974
Status: Junked 12/29/1994
| Snorkel 5 (6-6-5) (4/5/1974 - 5/25/1981) |
| Snorkel 1 (6-6-1) (5/25/1981 - 5/7/1982) |
| Spare snorkel (5/7/1982 - 3/1983) |
| Snorkel 6 spare (12/10/1982 - 12/1982) |
| Snorkel 4 (3/16/1983 - 9/19/1983) |
| Spare snorkel (9/19/1983 - 2/1984) |
| Squad 1A (9/20/1983 - 2/1984) |
| Squad 1A (2/1984 - 4/3/1987) |
| Spare snorkel (1987 - 12/29/1994) |
Additional spare assignments for this apparatus may appear on the Company History page
Snorkel 5 renumbered to Snorkel 1; Snorkel 1 end date may have been 3/16/1983; 2-piece squad companies put into service in September 1983; may have been called RS-2 at some point