The Navy begins to run sonar scans back and forth across the ocean floor.
* Fingerprint experts, three pathologists and 25 dentists arrive at the Suffolk County medical examiner's office.
* Bad weather haults search; No more bodies found.
SATURDAY, JULY 20
* Sonar locates a "trail of material on the ocean bottom"--presumed to be the plane.
* Choppy waters slow the search.
* New York Sen. Alfonse M. D'Amato says "The likelihood of mechanical failure is minimal." No more bodies found.
SUNDAY, JULY 21
* The investigation is moving along at a "fast idle," according to FBI Assistant Director James K. Kallstrom.
MONDAY, JULY 22
* Noon memorial service for families held on Fire Island.
* Investigators at the FBI's forensics lab in Washington begin examining debris for signs of damage cause.
* About 1 p.m., large portions of the plane are discovered, as well as a 10-mile-long "debris field"; six more bodies recovered.
* 57 bodies identified.
TUESDAY, JULY 23
* 108 bodies recovered to date; 77 identified.
WEDNESDAY, JULY 24
* Shortly before 11:20 p.m., cockpit voice recorder and flight-data recorder are found by using a robotic camera.
* 113 bodies recovered to date; 95 identified.
THURSDAY, JULY 25
* Cockpit voice recorder ends with an unidentified sound only a fraction of a second long.
FRIDAY, JULY 26
* Officials break down information from air traffic radar facilities.