Complex sentence: Captain Loft had been with airline for 32 years and, throughout his flying career, had accumulated a total 29,700 flight hours and had logged 280 hours in the L-1011.
Split into simpler sentences: Captain Loft had been with airline for 32 years and had accumulated a total 29,700 flight hours throughout his flying career. He had logged 280 hours in the L-1011.