Mid-air collision between Embraer EMB-120 and Cessna 172

Casualties unknown • Gadsden, AL, US

A head-on mid-air collision occurred approximately 2.5 miles south of an airport involving an Atlantic Southeast Airlines flight and a westbound Cessna 172.

What happened

An Atlantic Southeast Airlines flight, operating an Embraer EMB-120 with registration N217AS, departed from runway 24 under Instrument Flight Rules (IFR) clearance. During the departure, the crew initiated a left turn to an easterly heading and climbed to an assigned altitude of 5,000 feet MSL.

Before air traffic control could establish radar contact with the aircraft, the EMB-120 converged with a Cessna 172, registration N99501, which was traveling on a westbound heading toward the setting sun. This resulted in a head-on collision approximately 2.5 miles south of the airport.

Upon impact, the right horizontal stabilizer of the EMB-120 separated from the aircraft; however, the crew was able to maintain control and perform a safe landing. The Cessna 172 entered an uncontrolled descent and crashed.

A witness to the event reported seeing no evasive maneuvers performed by either aircraft prior to the collision. While the crew of the EMB-120 reported seeing the Cessna moments before the impact, the captain stated he attempted immediate evasive action by pushing the nose down, though this was unsuccessful in preventing the collision. A flight attendant aboard the EMB-120 also noted hearing a "thump" just before the aircraft began its descent.

Frequently asked questions

What happened in the 1990-04-09 Embraer EMB-120 accident near Gadsden, AL?

A head-on mid-air collision occurred approximately 2.5 miles south of an airport involving an Atlantic Southeast Airlines flight and a westbound Cessna 172.

What aircraft was involved and where did it happen?

The accident on 1990-04-09 involved a Embraer EMB-120, registration N217AS, operated by Atlantic Southeast, at Gadsden, AL.

What was the probable cause of the accident?

INADEQUATE VISUAL LOOKOUT BY THE PILOTS OF BOTH AIRCRAFT, WHICH RESULTED IN THEIR FAILURE TO SEE-AND-AVOID ONCOMING TRAFFIC. A FACTOR RELATED TO THE ACCIDENT WAS: THE SUN'S GLARE, WHICH RESTRICTED THE VISION OF THE CESSNA 172 PILOT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001212X22846. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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