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- Trip 6 proceeded normally from Kansas City until it arrived over the St. Louis radio range station at 4:04 A. M. at an altitude of 1,700 feet.
- Successive weather reports had indicated a constantly and rapidly lowering ceiling and a constantly diminishing visibility at the Lambart-St. Louis Airport.
- After arriving over the St. Louis radio range station, Captain Scott begin a standard instrument let-down-through procedure.
- While executing this procedure and about two minutes before he broke out of the overcast, Captain Scott received the 4:09 A. M. weather report, which indicated a variable ceiling of 400 feet with lower scattered clouds at 200 feet and visibility of two miles with light drizzle and light fog.
- Although the minimum ceiling prescribed for TWA at St. Louis by the Civil Aeronautics Administration was 400 feet, Captain Scott, instead of going to his alternate when he observed that the ceiling was below that minimum continued his descent and broke out of the overcast at approximately 300 feet.
- Captain Scott broke out of the overcast too close to runway No. 1 to effect a normal landing from that altitude.
- After breaking out of the overcast, Captain Scott continued across the airport at an altitude of 200 feet or less.
- At no time during the flight across the airport of beyond the airport did Captain Scott make use of the landing lights on the airplane.
