Small plane carrying 80-year-old pilot, his wife, and two grandchildren suddenly vanishes during flight from Bahamas to Miami as desperate family appeals for help: 'We need to bring them home'

Mario Lamar, 80, was piloting his Piper PA-34 Seneca carrying his wife Lili Lamar, 79, and two of their grandchildren, Sofia Sosa, 28, and Christian Sosa, 22, on Monday morning