aircraft captain . EKI terminibaas Esterm. Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//esterm/aircraft%20captain/1/eng (19.06.2026)
aircraft captain . Militerm | riigikaitseterminite andmebaas . Институт эстонского языка, Сынавееб 2026. https://sonaveeb.ee/search/unif//mil/aircraft%20captain/1/eng (19.06.2026)