Keystone LB-4

Historical safety data and incident record for the Keystone LB-4 aircraft.

Safety Rating

9.9/10

Total Incidents

4

Total Fatalities

6

Incident History

United States Army Air Corps - USAAC

Kelly AFB (ex Brooks Field, San Antonio) Texas

The pilot was forced to make an emergency landing for unknown reason. Aircraft came to rest in a field located three miles west of the airfield. All five occupants were uninjured while the aircraft was damaged beyond repair.

January 24, 1936 4 Fatalities

United States Army Air Corps - USAAC

Luke Field AFB, Ford Island Hawaii

The crew was engaged in a training mission in Luke Field AFB, Ford Island, Hawaii. In flight, while cruising over the airbase at an altitude of some 1,200 feet, the aircraft collided with another Keystone B-4A registered 32-132 and also carrying a crew of four. Both aircraft dove into the ground and crashed. Only two crewmen survived while all six other occupants were killed. The exact circumstances of the occurrence is unknown.

January 24, 1936 2 Fatalities

United States Army Air Corps - USAAC

Luke Field AFB, Ford Island Hawaii

The crew was engaged in a training mission in Luke Field AFB, Ford Island, Hawaii. In flight, while cruising over the airbase at an altitude of some 1,200 feet, the aircraft collided with another Keystone B-4A registered 32-118 and also carrying a crew of four. Both aircraft dove into the ground and crashed. Only two crewmen survived while all six other occupants were killed. The exact circumstances of the occurrence is unknown.

United States Army Air Corps - USAAC

Guadalupe Peak Texas

En route from Dallas to El Paso, the crew encountered poor weather conditions. All four crew members bailed out and abandoned the aircraft that entered a dive and crashed near the Guadalupe Peak. All four occupants were uninjured and the aircraft was destroyed.

Safety Profile

Reliability

Reliable

This rating is based on historical incident data and may not reflect current operational safety.

Primary Operators (by incidents)

United States Army Air Corps - USAAC4