  NM24/60--AMBROSE LIGHTSHIP REPLACED BY RELIEF LIGHTSHIP (WAL-505) IN ì
APPROX. POS. LAT. 40-27-06N, LONG. 73-49-23W.
  NM29/60--AMBROSE RESUMED STATION, RELIEF HAVING BEEN RAMMED BY A SHIP AND  ì
SUNK ON STATION.