[1]: (Appendix A) Flight 128 departed Los Angeles at 17:37 Eastern Standard Time[a] and operated to Cincinnati without incident.

[1]: 9  Under these conditions, proper procedure would be to maintain the minimum approach altitude of 1,290 feet (390 m) above mean sea level until the pilots made visual contact with the runway.

[1]: 3  One of the surviving passengers reported that the plane broke apart in front of him, he stepped out and ran from the wreckage shortly before it exploded.

[1]: 1  NTSB investigators determined the likely cause of the accident to be crew error, in attempting a visual no-glide-slope approach at night during deteriorating weather conditions, without an adequate altimeter cross-reference.

After the runway reopened, high intensity lights were installed on the hillside along with glide-slope equipment beacons on recommendation of the National Transportation Safety Board.