Avro 504 crash, Aug 20, 1924, Sintra Estremadura - Lisbon...

Avro 504 accident on August 20, 1924 near Sintra Estremadura - Lisbon District, Portugal with no fatalities.

A Portuguese Air Force Avro 504 was damaged beyond repair during a solo training flight at Sintra. The pilot, Lt Alvarenga, was injured.

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