| PI | Ship | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Broadscale | Intermed. | 14 | 14 | 14 | 14 | 14 | 14 | 84 | |||||||
| Irish | Intermed. | 7 | 7 | 7 | 21 | ||||||||||
| Beardsley | Intermed. | 14 | 14 | ||||||||||||
| Irish | Intermed. | 20 | 20 | 40 | (May/Aug - SAR) | ||||||||||
| Houghton | Cape Henlopen | 10 May 20-29 |
10 May 31 - June 9 |
20 | |||||||||||
| Ledwell/Churchill | Intermed. | 13 | 13 | 26 | |||||||||||
| Davis/ Beardsley (January only) |
Intermed. | 21 | 14 | 35 | |||||||||||
| Gallager | DP/Knorr | 14 | 14 | 28 | |||||||||||
| Gifford, Madin, Wishner | Intermed. | 18 | 18 | 36 | |||||||||||
| Hebert, Barth | Intermed. | 16 Late March/early April |
18 Mid month |
34 | |||||||||||
| Durbin/Runge/Ohman/ Madin |
Intermed. (Endeavor) | 16 Late Feb-early Mar |
16 Late Apr-early May |
32 | |||||||||||
| Lough/
Gallager, Van Keuren |
Intermed. | 12 (April 12-23) |
22 (May 10-31) |
34 | |||||||||||
| Schlitz/Lough/Chen Mooring + process cruises |
Intermed. | 10 (Late March - early April) | 10 (mid month) | 10 (at end of month) | 30 | ||||||||||
| Greene | Intermed. | 8 | 12 | 12 | 32 | ||||||||||
| Totals: | 49 | 30 | 65 | 42 | 79 | 116 | 10 | 44 | 7 | 12 | 0 | 12 | 466 | ||
| Note: R. Beardsley, 14 day Oceanus cruise in November 1998. | |||||||||||||||
| Note: C. Davis/D. Lynch, 7 day cruise in November or December 1998. | |||||||||||||||
| Note: C. Greene, 8 day cruise in June 2000. | |||||||||||||||
The ships that may be available during this field season: