At Sea, Jan. 25, 1919. Lat. in 30° 01' N Lo. in 73° 47' 20" W Steamed until 6:30 P.M.
| Course | Dist. | D. Lat. | Dep. | D. Lo. |
| N 35° E | 78 | 63.9 | 44.7 | 51.5 |
| Lat. Left | 30° 01' N | | Lo. Left | 73° 47' 20" W |
| D. Lat. | 1 03 54 N | | D. Lo. | 51 30 E |
| | —————— | | | —————— |
| Lat. in | 31° 04' 54" N | | Lo. in | 72° 55' 50" W |
| Mid Lat. | 30° 30' N | | | |
At 6:30 P.M. Obs. * Rigel.
| Obs. Alt. * | 39° 36' 20" | | | | | | |
| IE | + 00 20 | W.T. | 6h 33m 19s | Log hav "t" | 8.92502 | | |
| | —————— | C.W. | 4 55 04 | Log cos Lat. | 9.93269 | | |
| | 39° 36' 40" | C.C. | 2 16 | Log cos. Dec. | 9.99544 | | |
| HE | - 7 09 | | —————— | | ————— | | |
| | —————— | G.M.T. | 11h 30m 39s | Log hav S | 8.85315 | Nat hav S | .07130 |
| T.C.A. * | 39° 29' 31" | .R.A. | 20 14 58 | | | Nat hav L - D | .11349 |
| | —————— | .C.P. | 1 53.3 | | | | |
| Dec. of * | 8° 17' 42" S | | —————— | | | Nat hav ZD | .18479 |
| Lat. | 31 04 54 N | G.S.T. | 31h 47m 30.3s | 50° 55' 00" | ZD | | |
| | —————— | - W.Lo. | 4 51 43 | -90 00 00 | | | |
| L. - D. | 39° 22' 36" | | —————— | —————— | | | |
| | —————— | L.S.T. | 2h 55m 47.3s | 39° 05' 00" | C. Alt. | | |
| | | *R. A. | 5 10 41 | 39 29 31 | T. Alt. | | |
| | | | —————— | —————— | | | |
| | | "t" | 2h 14m 54s | 24' 31" | Alt. Diff. Toward. | | |
 | | Course | Dist | D. Lat. | Dep. | D. Lo. | | S 45° E | 24.5 | 17.3 | 17.3 | 20 |
|
| Lat. Left | 31° 04' 54" N | | Lo. Left | 72° 55' 50" W |
| | 17 18 S | | | 20 E |
| | —————— | | | —————— |
| Lat. in | 30° 47' 36" N | | Lo. in | 72° 35' 50" W |
Changed course to 40° (true)
| Course | Dist | D. Lat. | Dep. | D. Lo. |
| N 40° E | 138.5 | 106.1 | 89 | 105 |