Which airplane designs have the greatest longevity?
This is a community-wiki mashup of the other answers - I thought a table would be useful.




Date Introduced
Aircraft Type
Commercial Service (2015)




1909
Bleriot XI
Flown by Shuttleworth collection UK, entrance fee.


1932
JU-52
Sight seeing flights by Ju-Air, Switzerland.


1932
Tiger Moth
Flight experiences, e.g. Cheltenham UK.


1934
Dragon Rapide
Sight seeing flights, London.


1935
DC-3
Many commercial flight-experience/other operators.


1935
PBY Catalina
Still used in aerial firefighting role.


1938
Piper Cub
Many still in private/GA use and in flight schools.


1947
AN-2
Still in widespread use in 2020.


1952
B-52
76 still in service with USAF. Projected service to 2045?


1952
Tu-95
In service with Russian air force. Projected service to 2040?