Incident Overview
Date: Monday 2 December 1946
Aircraft Type: Douglas C-54B-5-DO (DC-4)
Owner/operator: Willis Air Service
Registration Number: NC56743
Location: San Juan-Isla Grande Airport (SIG) –
ÿ Puerto Rico
Phase of Flight: Landing
Status: Destroyed, written off
Casualties: Fatalities: 0 / Occupants:
Component Affected: Aircraft FuselageAircraft Fuselage
Category: Accident

A passenger aircraft experienced a catastrophic hard landing, resulting in extensive structural damage beyond repair.A passenger aircraft experienced a catastrophic hard landing, resulting in extensive structural damage beyond repair.
Description
Damaged beyond repair as a result of a hard landing.
Primary Cause
Hard landing due to excessive G-forces and aerodynamic instability.Hard landing due to excessive G-forces and aerodynamic instability.Share on: