- 10 -
reports were made by radio over "fixes"[1] at the Goshen, Indiana, radio range intersection; Lafayette, Indiana; Indianapolis, Indiana; and Milroy, Indiana. At 7:45 p.m. (EST), shortly before reporting over Indianapolis, Trip 20 was contacted by American's company radio operator at Cincinnati and given the 7:35 p.m. Cincinnati weather report, which showed a ceiling of 2,300 feet, moderate rain and visibility of four miles. At 8:13 p.m. the company radio operator at Cincinnati informed Trip 20 that at that time the ceiling at Cincinnati was 1,300 feet varying occasionally to 1,800 feet, moderate rain and visibility of four miles. At 8:15 p.m. Trip 20 called the company radio operator at Cincinnati and reported that the flight had passed over Milroy, Indiana, (approximately 57 miles from Cincinnati) at 8:12 p.m. flying at 5,000 feet above sea level and was beginning its descent. Arrival in Cincinnati was then estimated to be at 8:34 p.m. The company radio operator at Cincinnati acknowledged receipt of the message and informed Trip 20 that the Cincinnati altimeter setting was 29.62, pressure altitude 760 feet[2] and that the surface winds were south-southeast. At 8:21 p.m. the company radio operator at Cincinnati again called Trip 20 and informed the crew of local airway traffic. At this time, Trip 20 requested that the Cincinnati surface winds be
- ↑ Points at which the exact position of the aircraft may be determined by radio, e.g., a fan marker, a cone of silence marker over a radio range station, or an intersection of radio ranges.
- ↑ All of American's aircraft are equipped with two sensitive type altimeters as required by Section 04.532(d) of the Civil Air Regulations. One of these instruments is kept adjusted in accordance with United States Weather Bureau reports to register altitude above sea level; the other is adjusted in accordance with information received by company radio from the point of intended landings, to register altitude above the surface of the ground at that point.
