.....the National Transportation Safety Board investigators and outside aviation-safety experts unanimously agree that Mr. Sullenberger made the right call to put his crippled jet down in the river. Neither he nor his first officer, Jeffrey Skiles, had any assurance that the Airbus A320—which suddenly turned into a 70-ton glider—would be able to clear Manhattan’s skyline had they tried to return to the Queens airport they left minutes before.