Piper PA-31 Cheyenne crash, Jul 4, 1986 (6 killed), Guale...
Piper PA-31 Cheyenne accident on July 4, 1986 near Gualeguaychu, Entre Ríos, Argentina with 6 fatalities.
- Date: July 4, 1986
- Aircraft: Piper PA-31 Cheyenne
- Location: Gualeguaychu, Entre Ríos, Argentina
- Fatalities: 6
Argentine National Gendarmerie aircraft GN-750, identified by Aviation Safety Network as a Piper PA-31 Navajo, crashed near Gualeguaychu, Entre Rios, on 4 July 1986; all six aboard died and the aircraft was destroyed.