Río Amazonas Airport (IATA: PTZ, ICAO: SESM) is an airport serving Shell Mera, a town in the Pastaza Province of Ecuador.

The airport was established in 1937 by Royal Dutch Shell and abandoned in 1948.

In 1949 the Mission Aviation Fellowship, a Christian missionary group, established themselves in the area and used the airport as their main base.

In March 2016, a military plane taking off from Amazonas Airport crashed in Pastaza province, killing all 22 soldiers aboard.

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