Distress signal received on 406 mhz from aircraft in 08-48.8N 129-15.8W at 230846Z jul

Original warning text

EASTERN NORTH PACIFIC.
DNC 13.
1. DISTRESS SIGNAL RECEIVED ON 406 MHZ FROM AIRCRAFT
   IN 08-48.8N 129-15.8W AT 230846Z JUL. VESSELS
   IN VICINITY REQUESTED TO KEEP A SHARP LOOKOUT,
   ASSIST IF POSSIBLE. REPORTS TO JRCC HONOLULU,
   TELEX: 392401, PHONE: 808 535 3333,
   FAX: 808 535 3338, E-MAIL: [email protected].
2. CANCEL HYDROPAC 2210/16.