Federal investigators said Friday they have issued subpoenas to force the pilots of an American Airlines jet to sit for recorded interviews about a close call on a runway at New York's Kennedy Airport last month. The National Transportation Safety Board said it attempted to interview the crew members three times, but a union representative said the pilots refused to have their statements recorded. “NTSB has determined that this investigation requires that the flight crew interviews be audio recorded and transcribed by a court reporter to ensure the highest degree of accuracy, completeness, and efficiency,” the agency said in a preliminary report.