The only older archaeologically investigated shipwreck from antiquity in the Indian Ocean area, that of a fifth- or sixth-century A.D. shipwreck in Eritrea, has yet to yield hull remains. See Ralph K. Pedersen, “Under the Erythraean Sea: An Ancient Shipwreck in Eritrea,” The INA Quarterly 27, no. 2/3 (2000), pp. 3–13.