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Thank you. I've changed the airport entry in the database.
There is scheduled airline service as i saw firsthand, but only 1 flight per day.
info from tripwolf as Emetebe's website is up and down:
Emetebe Avionetas (offices in Puerto Baquerizo Moreno, Puerto Ayora and Puerto Villamil are given in the corresponding sections below; in Guayaquil T04-229 2492) offer inter-island flights in two light twin-engine aircraft. Two daily flights operate between Puerto Baquerizo Moreno (San Cristóbal), Baltra and Puerto Villamil (Isabela), most days except Sunday, but this varies with passenger demand. All fares US$158 one way, including taxes.
Landed there in 1972 on a DC 5