Pittsburgh

During an IFR arrival, the aircraft was vectored for an NDB runway 23 approach to the Westmoreland County Airport. At the NDB final approach fix (8.1 miles from the runway), the crew turned inbound and continued to the airport. They contacted the tower and reported over the ILS outer marker (an intermediate point on the NDB final approach, 3.9 miles from the runway). The tower issued the local landing advisories and cleared the aircraft to land. Moments after the copilot advised the captain that they were 15 seconds from the missed approach point, the aircraft collided with trees. Impact occurred 3.8 miles se of the airport at the minimum descent altitude (MDA) of 1,900 feet amsl. An examination of the aircraft records indicated a recurring and current squawk concerning the hsi slaving system. Just before beginning the approach, the Latrobe wind had changed from 230° at 4 knots (a headwind) to a strong quartering tailwind. During arrival the crew were advised the wind was from 340° at 18 knots. They had figured their timing to the missed approach point by using a ground speed of 120 knots. Earlier that day, the same crew and aircraft had terminated the same NDB approach, 1 mile east of the airport. All seven occupants were injured, five seriously.

During the takeoff run at Harrisburg Airport by night and ground fog, the pilot failed to realize that the airplane deviated to the left and came to rest in an adjacent area. The pilot was uninjured while the aircraft was damaged beyond repair.

The crew departed Buffalo Airport on a cargo flight to Pittsburgh. Few minutes after takeoff, the right engine caught fire and the crew declared an emergency. The fire spread to the engine nacelle and the right wing that detached. Out of control, the airplane dove into the ground and crashed in flames in an open field located in Hamburg, about 15,5 miles south of Buffalo Airport. The aircraft was destroyed and both occupants were killed.

The crew was completing a training mission from Pittsburgh to Wheeling. While cruising at an altitude of 5,000 feet, the crew decided to perform several stalls when control was lost. The airplane entered a dive and crashed in flames in an open field located near Wellsburg. The aircraft was totally destroyed and all three occupants were killed.

During the takeoff roll on runway 26, the electrical system failed. The crew aborted the takeoff maneuver, started an emergency braking procedure and triggered the reverse thrust system. The reverse thrust system failed to work so the aircraft was unable to stop within the remaining distance and overran. Past the runway end, the nose gear collapsed and the airplane came to rest against a metallic tower supporting the approach light system. All 16 occupants were evacuated safely while the aircraft was damaged beyond repair.

During the takeoff roll at Chicago-Merrill C. Meigs Airport, prior to V1 speed, a fire warning alarm sounded. The crew decided to abort the takeoff and started an emergency braking procedure. Unable to stop within the remaining distance, the twin engine aircraft overran and plunged into Lake Michigan. All eight occupants were evacuated safely while the aircraft was damaged beyond repair.

Allegheny Airlines, Inc., Flight 604, a Convair 340/440, N8415H, crashed 5 miles east-northeast of the Williamsport-Lycoming County Airport, Montoursville, Pennsylvania, on July 23, 1965. The 36 passengers, 3 crew members, and 1 jumpseat rider survived but received varying degrees of injuries. The flight, regularly scheduled from Pittsburgh, Pennsylvania to Newark, New Jersey, with intermediate stops at Dubois, Phillipsburg, Williamsport and Wilkes-Barre, Pennsylvania, departed Runway 09 at 1503. e.d.t. Shortly after takeoff smoke and fire were observed coming from the right engine and at approximately 1505:30 the captain advised "Six oh four is coming back in, we've got the right engine feathered.” The crash occurred moments later on the crest of a ridge approximately 600 feet above the airport elevation. The aircraft was destroyed by fire. The failure of the right engine is attributed to the failure of the front row master rod and all the associated link rods. Damage to the rod ends precluded any determination of the cause of the master rod failure.

The twin engine aircraft was completing a flight from Pittsburgh to Bluefield, carrying a crew of three and one passenger, the vice-president of the United States Steel Corporation. After touchdown, the airplane went out of control, veered off runway and came to rest on an embankment. All four occupants were uninjured while the aircraft was damaged beyond repair.

Capital Airlines Flight 983 of May 12, 1959, a Constellation model L-049, N 2735A, following a landing at 1529 e.s.t., on a wet runway, was intentionally ground looped and during the maneuver skidded and slid down a steep embankment beyond the boundary of the airport at Charleston, West Virginia. One of the 38 passengers and one of the six crew members died in the fire which followed; one passenger was seriously burned amd all others on board the aircraft escaped with little or no injury; the aircraft was destroyed. The aircraft was landed within the first third of the runway and the captain said that finding braking to be ineffective, he chose to ground loop the aircraft rather than risk going down a sharp declivity at the far end of the runway. The aircraft left the runway about 600 feet from the far end. Investigation revealed operational deficiencies in the conduct of the approach and touchdown, and that crew coordination throughout the emergency was poor. Because of crew statements, the brakes were believed to have been capable of functioning in a normal manner; however, water on the runway would have permitted the aircraft to aquaplane and thus make them ineffective.

On may 20, 1958, about 1129 e. d. t., a Capital Airlines Viscount, N 7410 and a Maryland Air National. Guard T-33, 35966, collided in the air about four miles east-northeast of Brunswick, Maryland. Seven passengers and the crew of four aboard the Viscount were killed. A passenger in the T-33 was killed but the pilot, although severely burned, parachuted safely. Both aircraft were totally destroyed by in-flight collision, ground impact, and the ensuing fire. The collision occurred at an altitude of about 8,000 feet on Victor Airway lilt while the Viscount was descending en route from Pittsburgh to Baltimore-Friendship Airport. It was operating on an instrument flight rules flight plan but in visual flight rules weather conditions. The T-33 pilot was on a VFR proficiency flight from Martin Airport, Baltimore, Maryland. Just before the collision the aircraft were observed in the area west of Brunswick flying parallel easterly courses with the T-33 some distance behind and to the left of the Viscount. The T-33 quickly overtook the Viscount and made a gentle right turn, during which it struck the forward left side of the fuselage of the Viscount. Both aircraft were being operated in visual flight rules weather conditions and it was therefore the responsibility of each crew to provide separation from other aircraft by visual reference. The right-of-way rules contained in the Civil Air Regulations clearly set out the pilot's responsibility in the overtaking situation. It is the Board's aim to provide for a positive control system of air-craft separation which will not depend upon the "see and be seen" principle to prevent the occurrence of collision accidents. The Board has been actively engaged for some time in the development of such a program. Its full implementation is several years away and will be dependent on additional technical improvements in equipment and on the expansion of the air traffic control facilities to accommodate the ever increasing amount of traffic. Since the accident the USAF and Capital Airlines, along with other carriers, in an effort to reduce collision hazards, have required, in general, that all aircraft on airways above 10,000 feet be operated in accordance with IFR.