1976 50th ANNIVERSARY FLIGHT
1926 SECOND INTER-ISLAND
1976 50th ANNIVERSARY FLIGHT
OF THE 1926 NORTHERN LUZON FLIGHT

RP-90: MANILA to SILAY
MANILA / PHILIPPINES / JAN 20 1976
SILAY CITY * PHILIPPINES / JAN 22 1976

RP-91: MANILA to APARRI
MANILA / PHILIPPINES / FEB 10 1976
APARRI, CAGAYAN * PHILIPPINES / RECEIVED / FEB 28 1976
1976 PHILIPPINE AIRLINES 30th ANNIVERSARY FLIGHT

RP-92: MANILA to LEGASPI CITY
MANILA / PHILIPPINES / FEB 14 1976
LEGASPI CITY * PHILIPPINES / RECEIVED / FEB 15 1976
1976 40th ANNIVERSARY FLIGHT
1936 BRITISH ROYAL AIR FORCE FLIGHT

RP-93: LONDON to MANILA
LONDON S.W. 1 / 4 / 6 FE 76
LOCK BOX SECTION / RECEIVED / CENTRAL POST OFFICE / 
MANILA, PHILIPPINES / FEB 25 1976