Emergency helicopters are aircraft used in response to medical emergencies, natural disasters, and other urgent situations where fast transportation is essential. However, emergency helicopters have antonyms that imply the opposite of an urgent and vital response to a crisis. One of these antonyms is leisure helicopters, which are used for recreational purposes such as sightseeing, aerial photography, and personal transportation. Another antonym is military helicopters, which are used for combat, troop transportation, and surveillance. Unlike emergency helicopters, these helicopters are not designed for immediate response to life-threatening situations, but for other purposes that may not be as critical. Overall, the antonyms for emergency helicopters imply a departure from the urgency and importance associated with emergency response.