JP 3-50 National Search and Rescue Manual Vol I - US Navy

Recorded data is retained for 15 days.
Ephemeris Data: Information from which the location of a COSPAS-SARSAT
satellite relative to the earth may be determined for any time within a
specified time interval.
Extended Communications Search (EXCOM): Comprehensive communications
search to find information or clues about the location of missing
persons. Normally conducted after a PRECOM has yielded no results, or
when the mission is upgraded to the Alert phase.
False Alarm: Term used in various ways to indicate lack of alarm
reliability which includes hoaxes, inadvertent alarms and those unknown
number of unresolved alarms that are not related to a distress incident.
False Alert: Term used in various ways to indicate lack of alert
reliability which includes non-beacon alerts and those unknown number of
unresolved alerts that did not result from a beacon signal (unresolved
alerts may include some unknown beacon signals).
Fetch: The distance the waves are driven by a wind blowing in a constant
direction, without obstruction.
First Alert: First signal detection notification with "A" and "B"
solutions.
First RCC: RCC affiliated with the shore station that first acknowledges
a distress alert, and which should assume responsibility for all
subsequent SAR coordination unless and until responsibility is accepted
by another RCC better able to take action.
Fix: A geographical position determined by visual reference to the
surface, referencing to one or more radio navigation aids, celestial
plotting, or other navigation device.
Fleet Area Control and Surveillance Facility (FACSFAC): USN computerized
radar tracking facilities located along CONUS coastlines and Hawaii.
Recores primary and secondary data from coastline out to sea. Recorded
data is retained for 15 days.
Flight Information Region (FIR): An airspace of defined dimensions
within which flight information service and alerting service are
provided.
Flight Information Service (FIS): A service provided for the purpose of
giving advice and information useful for the safe and efficient conduct
of flights.
Flight Service Station (FSS): An air traffic facility that provides en
route communications and VFR SAR services, assists lost aircraft and
aircraft in emergency situations, and originates Notices to Airmen.
Forward-Looking Airborne Radar (FLAR): Any aircraft-mounted radar