Code of Ethics for Cetacean Watching in the Azores

Do not exceed the speed of the Cetaceans by more than 2 knots and keep to a constant speed
Avoid sudden changes of direction when approaching an animal
Maintain a parallel course slightly to the rear of the animals, maintaining an open field of 180 degrees in front of those animals
Avoid making any noises which disturb or attract the animals
Once the observation time has ended, or if the animals show signs of being disturbed, the vessels must return to beyond the approach area to the rear of the animals
Do not approach closer than 50m to any cetacean
Do not approach closer then 500m to any animal or group of animals seen to be motionless, resting or giving birth
Do not drive through a group of animals separating them, especially isolating the calves from the adults
When observing calves or whales accompanied by young calves, boats must maintain a distance of 100m or greater
If three of more vessels are observing one group of cetaceans, boats must maintain a distance of 300m or more if dolphins are present and 500m or greater when observing whales
Observations of one group of cetaceans must not exceed 30 minutes
Sailing boats may only approach the cetaceans under engine power
The use of sonar is not allowed, even outside of the observation area
The use of underwater motorised vehicles is not permitted within the proximity of the cetaceans
Do not chase the cetaceans
Do not feed whales or dolphins
Swimming with whales is not allowed
Do not throw litter or other waste into the water