Event Details

Title:Midair collision, American Airlines, Inc., Boeing 707-323, N7595A, and a Linden Flight Service, Inc., Cessna 150, N60942, Over Edison, New Jersey, January 9, 1971
Micro summary:Boeing 707 and Cessna 150 collide near Newark, resulting in the destruction of the Cessna.
Event Time:1971-01-09 at 1620 EST
File Name:1971-01-09-US.pdf
Publishing Agency:National Transportation Safety Board (NTSB)
Publishing Country:USA
Report number:NTSB-AAR-72-16
Site of event:Descent, 2950' above the township of Edison, NJ
First AirplaneSecond Airplane
Departure:San Francisco International Airport, San Francisco, California, USALinden Airport (Linden Municipal), Linden, New Jersey, USA
Destination:Newark Liberty International Airport, Newark, New Jersey, USALinden Airport (Linden Municipal), Linden, New Jersey, USA
Airplane Type(s):Boeing 707-323Cessna 150
Flight Phase:ApproachCruise
Registration(s):N7595AN60942 (private)
Operator(s):American AirlinesPrivate
Type of flight:RevenueTraining
Serious Injuries:00
Other Injuries:00
Executive Summary:American Airlines, Inc. , Flight 30 (AA 30) , a Boeing 707-323, N7595A, and a Linden Flight Service, Inc., Cessna 150, N60942, collided at about 2,975 feet above the township of Edison, New Jersey, on January
9, 1971, at approximately 1620 eastern standard time.

The collision occurred while the Boeing 707 was being radar vectored for an Instrument Landing System approach to Runway 04 Left at Newark Airport, Newark, New Jersey. The 707 subsequently landed at Newark Airport without injury to its 14 passengers and crew of seven.

The Cessna 150, N60942, occupied by a flight instructor and a student pilot , was on a training flight. The Cessna 150 was demolished by the collision and subsequent ground impact. Both of its occupants
received fatal injuries.

The surface visibility in the Newark area at the time of the accident was 8 miles. However, reports from pilots, who were operating in the area at the time of the collision, indicated that there was a substantial dimunition of flight visibility at the collision altitude.

The National Transportation Safety Board determines that the probable cause of this accident was the inability of the crews of both aircraft to see and avoid each other while operating in a system which permits VFR aircraft to operate up to 3,000 feet on random headings and altitudes in a congested area under conditions of reduced visibility. An additional causal factor was the designation of a student flight training area in a congested control area under marginal flight visibility conditions.

*This report is a revision of the Board's report of May 10, 1972, and reflects new evidence drawn to the attention of the Board by American Airlines in their "Request for Reconsideration or Modification dated July 6 , 1973." The new evidence consisted of revised calibration data which affected the readout of the flight data recorder record. All revised material in the report is underlined.
Learning Keywords:Operations - Airspace - Air Traffic Control
Operations - Airspace - Mid-Air Collision
Operations - Airspace - See & avoid
Consequence - Hull Loss
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