Delivered new to National Airlines, who operated the a/c from November 1962 until sold to Braniff Airlines in August 1973. Reregistered N814BN by Braniff. Scrapped in 1982.

"Patricia" seen at MIA in March, 1972. Delivered to National in 1970 and sold to Northwest as N620US in 1976.

'National Airlines' seven-passenger Sikorsky S-55 is shown here landing at the new heliport set up adjacent to the Miami Beach Municipal Auditorium.' One of the few big US airlines to try the helicopter, National started a short-lived service between Miami, Miami Beach, Bal Harbour, Hollywood, Fort Lauderdale, Boca Raton, Delray Beach, and West Palm Beach in February 1954. Flying magazine also reported daily flights between Miami Beach and Hialeah. Information is hard to find, but this heliport's location could be worked out from the Shelbourne South Beach hotel in the background with the Raleigh Hotel on the far right.

Backtracking runway 10R for its departure to Miami.

Delivered new 18th June 1968 and merged into PanAm Jan 1980. Withdrawn from use KMIA (Miami) 4th Dec 1991 and scrapped March 1993

Delivered new 20th June 1975 and merged into Pan Am Jan 1980

Delivered new 25th Jan 1968 and merged into PanAm Jan 1980

Delivered new 30th Nov 1972 and merged into PanAm Jan 1980 (but it took a while for all aircraft to be re-branded), then to American as N154AA March 1984

Delivered new 19th Dec 1967 and merged into PanAm Jan 1980, retired KOKC (Oklahoma City) Dec 1991 and scrapped Sep 1992

Delivered new 12th Dec 1972 and merged into PanAm July 1980. To American as N160AA Feb 1984

Transferred to American Airlines May 84 and re-reg N147AA in Jul 84. Retired 1997.

Transferred to Pan American with the merger in Jan 80. Later also operated with Delta Air Lines also as N4735. Retired circa mid 90s.