- There are navigation transit markers alongside Port Meadow upstream of Medley Boat station, to allow river users to check their speed.
- The " Caron " reported at 13 : 20 local time, it was informed on channel 16 VHF by the " Bezzavetny " : " Soviet ships have orders to prevent violation of territorial waters, extreme measure is to strike your ship with one of ours . " The reply of the " Caron " was " I am engaged in innocent passage consistent with international law . " The " Yorktown ", in its report stated that on 9 : 56, local time, it was contacted by the " Bezzavetny " via channel 16 and told to leave Soviet territorial waters or " our ship is going to strike on yours . " Then, according to the report, the " Bezzavetny " came alongside port side of the " Yorktown " at 10 : 03 and bumped it by turning into the ship.
- Collision piped by watch topside, General alarm dead, all hands given word to put on life jackets, PGM 4 drifted out of hole alongside port side, bow facing PGM 7 s stern, Captain went aboard PGM 4, directed all hands to abandon ship, 19 men abandon ship before ships drifted apart, Executive and Third Officer and 8 men aboard PGM 7, Executive Officer passes word to men still aboard to jettison all ammunition on starboard side of forward magazine, engine room flooded 30 inches above deck, control room had 6 inches above deck, after crew s quarters reported by Savage, J . J ., PhM1c, water up to deck boards, permission granted by Executive Officer to jettison 40mm ammunition in after magazine, Captain returned aboard in rubber life raft with Reuter, J . E, BM1c and proceeded to unload after magazine, when magazine emptied with exception of port side of forward magazine, in order to counter-balance starboard list, 2 barbettes were jettisoned, during this time the water had risen above the deck in the after crew s quarters and attempts were made to pump out the water with a gasoline handy-billy, it failed to start and soon after Lt . ( jg ) Lindblooom and two MoMMs came aboard from the PGM 5 in a rubber life raft and attempted to start handy-billy, it failed and the PGM 5 sent over their handy-billy which also failed, later these pumps were operated successfully