The 17th of July is the worst day in aviation history with 927 fatalities in 17 airliner accidents, according to ASN data.
The average over the period 1946-2016 is 11 accidents 234 fatalities.
| 17 JUL 1946 | Curtiss C-46 | ANDESA | 30 |
| 17 JUL 1948 | Consolidated PBY-5A Catalina | Cathay Pacific Airways | 25 |
| 17 JUL 1950 | Douglas C-47 | Indian National Airways | 22 |
| 17 JUL 1955 | Convair CV-340 | Braniff International Airways | 22 |
| 17 JUL 1958 | Curtiss C-46 | Dominicana de Aviacion | 2 |
| 17 JUL 1963 | Curtiss C-46 | Air America | 6 |
| 17 JUL 1994 | Yakovlev 40 | Sankuru Air Service | 5 |
| 17 JUL 1994 | Britten-Norman BN-2B Islander | Air Martinique | 6 |
| 17 JUL 1995 | DHC-6 Twin Otter 300 | Merpati Nusantara Airlines | 1 |
| 17 JUL 1996 | Boeing 747-131 | Trans World Airlines – TWA | 230 |
| 17 JUL 1996 | DHC-6 Twin Otter 300 | Aerolatino | 1 |
| 17 JUL 1997 | Fokker F-27 Friendship | Sempati Air Transport | 28 |
| 17 JUL 1998 | Ilyushin 78 | Air Sofia | 10 |
| 17 JUL 2000 | Boeing 737-2A8 | Alliance Air | 55 |
| 17 JUL 2002 | DHC-6 Twin Otter 300 | Skyline Airways | 4 |
| 17 JUL 2007 | Airbus A320-233 | TAM Linhas Aéreas | 187 |
| 17 JUL 2012 | Canadair CRJ-200ER | SkyWest Airlines | 1 |
| 17 JUL 2014 | Boeing 777-2H6ER | Malaysia Airlines | 298 |