Sullenberger also praised response teams in New York, including four ferries that arrived on the scene within eight minutes. "As soon as I left the airplane, there were boats already around us beginning the rescue," he said.
On Jan. 18, crews raised the wreckage from the river and moved the plane to New Jersey for examination. The left engine was later recovered from the Hudson Jan. 23.
ABC News' Matt Hosford and Olivia Hallihan contributed to this report.