The aircraft and helicopter losses mentioned above represent the losses acknowledged by each side during the conflict due to enemy action or to accidents, as cited in the Air Combat Information Group Website. According to the same source, Peru may have lost up to three helicopters during the conflict, and Ecuador may have lost one attack helicopter in unclear circumstances. Faundes, citing Ecuadorian sources, puts the total of Peruvian losses at four fixed-wing aircraft and three helicopters. Both sources agree that Ecuador lost one AT-33A trainer in an accident outside the combat area, three fallen A-37 and two defective kfir cannot return to the theater of operations in the conflict.