On January 9, 2018, an accident occurred involving an AYRES S2R, registration HC CKS, operated by AGRO AEREO FUMIGATION. The incident took place in Jaramillo, Ecuador.
Following the event, the government of Ecuador notified the NTSB of the accident. Under the provisions of ICAO Annex 13, the NTSB appointed a U.S. Accredited Representative to assist the Ecuadorian authorities with their investigation. The accident resulted in 1 fatality.