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On December 16, 1960, at 1033 e.s.t., a collision between Trans World Airlines Model 1049A Constellation, N6907C, and a United Air Lines DC-8, N8013U, occurred near Miller Army Air Field, Staten Island, New York. Trans World Airlines Flight 266 originated at Dayton, Ohio. The destination was LaGuardia Airport, New York, with one en route stop at Columbus, Ohio United Air Lines Flight 826 was a non-stop service originating at O'Hare Airport, Chicago, Illinois, with its destination New York International Airport, New York. Both aircraft were operating under Instrument Flight Rules. Following the collision the Constellation fell on Miller Army Field, and the DC-8 continued in a northeasterly direction, crashing into Sterling place near Seventh Avenue in Brooklyn, New York. Both aircraft were totally destroyed. All 128 occupants of both aircraft and 6 persons on the ground in Brooklyn were fatally injured. There was considerable damage to property in the area of the ground impact of the DC-8. TWA Flight 266 departed Port Columbus Airport at 0900, operating routinely under Air Traffic Control into the New York area The New York Air Route Traffic Control Center (ARTCC) subsequently advised that radar contact had been established and cleared the flight to the Linden. Intersection, Control of the flight was subsequently transferred to LaGuardia Approach Control. When the flight was about over the Linden Intersection, LaGuardia Approach Control began vectoring TWA 266 by radar to the final approach course for a landing on runway 4 at LaGuardia. Shortly thereafter TWA 266 was cleared to descend to 5,000 feet, and was twice advised of traffic in the vicinity on a northeasterly heading. Following the transmission of this information the radar targets appeared to merge on the LaGuardia Approach Control radar scope, and communications with TWA 266 were lost. United Air Lines Flight 826 operated routinely between Chicago and the New York area, contacting the New York ARTCC at 1012 Shortly thereafter the New York Center cleared UAL 826 to proceed from the Allentown, Pa., very high frequency omni directional radio range station (VOR) direct to the Robbinsville, New Jersey, VOR, and thence to the Preston Intersection via Victor Airway 123. At approximately 1021, UAL 826 contacted Aeronautical Radio, Inc. (ARINC) to advise their company that the No. 2 receiver accessory unit was inoperative, which would indicate that one of the aircraft's two VHF radio navigational receivers was not functioning. A "fix" is established by the intersection of two radials from two separate radio range stations. With one unit inoperative the cross-bearings necessary can be taken by tuning the remaining receiver from one station to the other. This process consumes considerable time, however, and is not as accurate as the simultaneous display of information on two separate position deviation indicators While UAL 826 advised the company that one unit was inoperative, Air Traffic Control was not advised. At 1025 the New York ARTCC issued a clearance for a new routing which shortened the distance to Preston by approximately 11 miles. As a result, this reduced the amount of time available to the crew to retune the single radio receiver to either the Colt' s Neck, New Jersey, or Solberg, New Jersey, VOR in order to establish the cross-bearing with Victor 123, which would identify the Preston Intersection. In the event the crew would not attempt to retune the single VOR receiver, crossbearings on the Scotland Low Frequency Radiobeacon could be taken with the aircraft direction finding (ADF) equipment. This would be a means of identifying the Preston Intersection but, under the circumstances, would require rapid mental calculation in the interpretation of a display which could be easily misread. Several factors support the conclusion that this occurred. Instructions had been issued to UAL 826 for holding at the Preston Intersection the clearance limit, should holding be necessary. Clearance beyond Preston for an approach to Idlewild Airport would be received from Idlewild Approach Control and the transfer of control of the flight from the New York Center to Idlewild Approach Control would normally take place as the aircraft was approaching Preston. UAL 826 was not receiving radar vectors, but was providing its own navigation. After the flight reported passing through 6,000 feet the New York Center advised that radar service was terminated and instructed the flight to contact Idlewild Approach Control. UAL 826 then called Idlewild Approach Control, stating "United 826 approaching Preston at 5,000." This was the last known transmission from UAL 826. At the time UAL 826 advised it was approaching Preston it had in fact gone on by this clearance limit several seconds before and was several miles past the point at which it should have turned into the holding pattern. This is confirmed by the data obtained from the flight recorder which had been installed in the UAL DC-8, as well as by analysis of the communication tapes At a point approximately 11 miles past the Preston Intersection a collision occurred between TWA 266 and UAL 826. Weather at the altitude of the collision and at the time of the accident was such as to preclude flight by visual means.

On December 16, 1960, at 1033 e.s.t., a collision between Trans World Airlines Model 1049A Constellation, N 6907C, and a United Air Lines DC-8, N 8013U, occurred near Miller Army Air Field, Staten Island, New York. Trans World Airlines Flight 266 originated at Dayton, Ohio. The destination was LaGuardia Airport, New York, with one en route stop at Columbus, Ohio United Air Lines Flight 826 was a non-stop service originating at O'Hare Airport, Chicago, Illinois, with its destination New York International Airport, New York. Both aircraft were operating under Instrument Flight Rules. Following the collision the Constellation fell on Miller Army Field, and the DC-8 continued in a northeasterly direction, crashing into Sterling place near Seventh Avenue in Brooklyn, New York. Both aircraft were totally destroyed. All 128 occupants of both aircraft and 6 persons on the ground in Brooklyn were fatally injured. There was considerable damage to property in the area of the ground impact of the DC-8. TWA Flight 266 departed Port Columbus Airport at 0900, operating routinely under Air Traffic Control into the New York area The New York Air Route Traffic Control Center (ARTCC) subsequently advised that radar contact had been established and cleared the flight to the Linden. Intersection, Control of the flight was subsequently transferred to LaGuardia Approach Control. When the flight was about over the Linden Intersection, LaGuardia Approach Control began vectoring TWA 266 by radar to the final approach course for a landing on runway 4 at LaGuardia. Shortly thereafter TWA 266 was cleared to descend to 5,000 feet, and was twice advised of traffic in the vicinity on a northeasterly heading. Following the transmission of this information the radar targets appeared to merge on the LaGuardia Approach Control radar scope, and communications with TWA 266 were lost.United Air Lines Flight 826 operated routinely between Chicago and the New York area, contacting the New York ARTCC at 1012 Shortly thereafter the New York Center cleared UAL 826 to proceed from the Allentown, Pa., very high frequency omni directional radio range station (VOR) direct to the Robbinsville, New Jersey, VOR, and thence to the Preston Intersection via Victor Airway 123. At approximately 1021, UAL 826 contacted Aeronautical Radio, Inc. (ARINC) to advise their company that the No. 2 receiver accessory unit was inoperative, which would indicate that one of the aircraft's two VHF radio navigational receivers was not functioning. A "fix" is established by the intersection of two radials from two separate radio range stations. With one unit inoperative the cross-bearings necessary can be taken by tuning the remaining receiver from one station to the other. This process consumes considerable time, however, and is not as accurate as the simultaneous display of information on two separate position deviation indicators While UAL 826 advised the company that one unit was inoperative, Air Traffic Control was not advised. At 1025 the New York ARTCC issued a clearance for a new routing which shortened the distance to Preston by approximately 11 miles. As a result, this reduced the amount of time available to the crew to retune the single radio receiver to either the Colt' s Neck, New Jersey, or Solberg, New Jersey, VOR in order to establish the cross-bearing with Victor 123, which would identify the Preston Intersection. In the event the crew would not attempt to retune the single VOR receiver, crossbearings on the Scotland Low Frequency Radiobeacon could be taken with the aircraft direction finding (ADF) equipment. This would be a means of identifying the Preston Intersection but, under the circumstances, would require rapid mental calculation in the interpretation of a display which could be easily misread. Several factors support the conclusion that this occurred. Instructions had been issued to UAL 826 for holding at the Preston Intersection the clearance limit, should holding be necessary. Clearance beyond Preston for an approach to Idlewild Airport would be received from Idlewild Approach Control and the transfer of control of the flight from the New York Center to Idlewild Approach Control would normally take place as the aircraft was approaching Preston. UAL 826 was not receiving radar vectors, but was providing its own navigation. After the flight reported passing through 6,000 feet the New York Center advised that radar service was terminated and instructed the flight to contact Idlewild Approach Control. UAL 826 then called Idlewild Approach Control, stating "United 826 approaching Preston at 5,000." This was the last known transmission from UAL 826. At the time UAL 826 advised it was approaching Preston it had in fact gone on by this clearance limit several seconds before and was several miles past the point at which it should have turned into the holding pattern. This is confirmed by the data obtained from the flight recorder which had been installed in the UAL DC-8, as well as by analysis of the communication tapes At a point approximately 11 miles past the Preston Intersection a collision occurred between TWA 266 and UAL 826. Weather at the altitude of the collision and at the time of the accident was such as to preclude flight by visual means.

The crew was engaged in a weather observation mission. After takeoff from Dessau Airport, instead of climbing and flying under IFR, the captain decided to continue under VFR mode below the clouds and in limited visibility. Ten minutes later, while cruising at an altitude of 500 feet, the airplane struck with its right wing the chimney of a metallurgical complexe and crashed in flames. All six crew members and one person on the ground were killed.

The twin engine aircraft was engaged in a special flight from RAF Northolt to RAF Marham, carrying two cameraman from the BBC and two crew members. Shortly after takeoff from RAF Northolt, while climbing, the left engine failed. Unable to maintain a safe altitude, the crew attempted an emergency landing when the airplane stalled and crashed on the roof of the Premier Foods egg packing building located in Victoria road in Ruislip, about 1,5 mile north of the airfield. Both passengers were unhurt while both pilots were seriously injured. The aircraft was damaged beyond repair.

While approaching Rio de Janeiro-Galeão Airport in good weather conditions, the Viscount collided with a Brazilian Air Force Fokker T-21 (S.11) registered 0742. Its pilot was completing a local training flight when the collision occurred about 4 km south of the airfield. While the pilot of the trainer plane was able to eject and was later recovered uninjured, his aircraft crashed in Joaquim de Queiroz street. Out of control, the Viscount dove into the ground and crashed in the Peçanha Póvoas street, in the district of Ramos. Several houses were destroyed and all 32 occupants on board the Viscount were killed as well as 10 people on the ground.

Flight 595, loaded with cargo, took off on runway 31L of Midway at approximately 0531LT bound for Los Angles, California. As the aircraft began a left turn, the crew notified Midway Tower they had received a fire warning on the No. 2 engine and had shut it down. They also informed the tower the flight would return and land. The aircraft proceeded in a continuing left turn around the airport in an elliptical pattern and below the clouds which were based at an altitude of 500 to 600 feet. In the turn to final approach to runway 31 the aircraft banked in excess of 45 degrees during which it developed an excessive rate of sink. When the aircraft reached the tops of the trees its wings were nearly level and its nose was raised in a climbing attitude; however, the descent continued. The wing flaps were being retracted during the last 5 to 10 seconds of the final descent and were found to be symmetrically extended at 24 percent upon impact. The plane crashed into a residential area about one-fourth of a mile southeast of Midway Airport, Chicago, Illinois, killing all persons aboard, demolishing the aircraft, and fatally injuring eight persons on the ground.

While approaching Córdoba AFB, the aircraft was too low, struck three houses and crashed in Ferreyra, about 8 km east of the airbase. The pilot was killed while there were no injuries on the ground.

The Viking took off from London Airport at 0554 hours GMT with a crew of 3 for a flight to Nice, Brindisi, Athens and Tel Aviv. Fifteen minutes later the cap tain informed London Airport that he had engine trouble and wished to return to Blackbushe. During the return flight the aircraft initially maintained 7,000 feet. Clearance was given to descend to 3000 feet but the descent was apparently continued to 1,000 feet without informing control. Shortly afterwards the aircraft reported "having difficulty maintaining height" and six minutes later, at 0632LT, it crashed in Southall, about 3 miles from the airport. The aircraft was totally destroyed upon impact as well as several houses. All three crew members and four people on the ground were killed. Fifteen other people on the ground were injured.

The four engine aircraft departed Long Beach Airport at 1908LT bound for McGuire AFB, New Jersey, with 35 passengers and a crew of six on board. Shortly after takeoff, the pilot was cleared to climb to the assigned altitude of 17,000 feet. About five minutes later, while climbing to an altitude of 3,000 feet, the airplane collided with a USN Lockheed P2V-5F Neptune registered 127723. Carrying eight crew members, the Neptune has taken off from Los Alamitos NAS and was completing a local training mission. Following the collision, both aircraft went out of control, dove into the ground and crashed in Norwalk. The Liftmaster crashed on several building and a fuel station, killing all 41 occupants and one woman on the ground. The Neptune crashed in a stone-pit located about 2.5 miles north of the C-118 crash site. Six crew members were killed while two others were seriously injured. The accident occurred by night but in good weather conditions with a visibility above 15 miles.

The aircraft took off from Runway 01 at La Aurora Airport at 1118LT on a scheduled cargo flight to St. Petersburg, Florida via Belize City in British Honduras. It carried a crew of two and no passengers. The flight was cleared on a visual flight rules flight plan and the take-off gross weight was 44 995 lbs including 575 gallons of fuel. At 1125LT the flight advised La Aurora Airport Control Tower that it was returning for an engine check and was cleared for an approach to Runway 19 at that airport. At approximately 1135LT the aircraft was seen to crash at a point 5,029 feet above sea level in a residential area, 3.3 miles northwest of La Aurora Airport, fatally injuring one adult and one child. Three other persons on the ground and both crew members were seriously injured. The aircraft was demolished by impact and subsequent fire.