1976 Zagreb mid-air collision

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1976 Zagreb mid-air collision
British Airways Flight 476 · Inex-Adria Aviopromet Flight 550

Digital artwork depicting the mid-air collision
Accident
Date	10 September 1976
Summary	Mid-air collision
Site	Samoborec, Croatia. Near Zagreb, Croatia, Yugoslavia 45°53′33″N 16°18′38″E / 45.89250°N 16.31056°E / 45.89250; 16.31056
Total fatalities	176
Total survivors	0
First aircraft
G-AWZT, the Hawker Siddeley Trident 3B involved in the collision
Type	Hawker Siddeley Trident 3B
Operator	British Airways
IATA flight No.	BA476
ICAO flight No.	BEA476
Call sign	BEALINE 476
Registration	G-AWZT[1]
Flight origin	Heathrow Airport London, United Kingdom
Destination	Yeşilköy International Airport Istanbul, Turkey
Occupants	63
Passengers	54
Crew	9
Fatalities	63
Survivors	0
Second aircraft
YU-AJR, the McDonnell Douglas DC-9-32 involved in the collision
Type	McDonnell Douglas DC-9-32
Operator	Inex-Adria Aviopromet
IATA flight No.	JP550
ICAO flight No.	ADR550
Call sign	ADRIA 550
Registration	YU-AJR
Flight origin	Split Airport Split, SR Croatia, Yugoslavia
Destination	Cologne Bonn Airport Cologne, West Germany
Occupants	113
Passengers	108
Crew	5
Fatalities	113
Survivors	0

The 1976 Zagreb mid-air collision took place on 10 September 1976, when British Airways Flight 476, a Hawker Siddeley Trident en route from London to Istanbul, collided mid-air with Inex-Adria Aviopromet Flight 550, a McDonnell Douglas DC-9 en route from Split, SFR Yugoslavia, to Cologne, West Germany, near Zagreb in modern-day Croatia. The collision was the result of a procedural error on the part of air traffic controllers in Zagreb.

All 176 people aboard the two aircraft were killed,^{[2]: 8 [3]: 5–6 [4][5]} making it the world's deadliest mid-air collision at the time.^[6] It remains the deadliest aviation accident in Yugoslav and Croatian history.^[7][8] This is also the only British Airways accident to result in fatalities excluding subsidiaries or former identities.