Lockheed Model 10C Electra. It is related to Lockheed (the company) .

Lockheed Model 10E Electra. It is related to Lockheed (the company) .

Lockheed Model 12 Electra Junior. It is related to Lockheed (the company) .

Lockheed Model 14 Super Electra. It is related to Lockheed (the company) .

Lockheed Model 14-N2 Super Electra. It is related to Lockheed (the company) .

Lockheed Model 18 Lodestar. It is related to Lockheed (the company) .

Lockheed Model 3 Air Express. It is related to Lockheed (the company) .

Lockheed Model 5 Vega. It is related to Lockheed (the company) .

Lockheed Model 5B Vega. It is related to Lockheed (the company) .

Lockheed Model 5C Vega. It is related to Lockheed (the company) .

Lockheed Model 5C Vega Special. It is related to Lockheed (the company) and Lockheed Model 5C Vega (the aircraft) .

Lockheed Model 9 Orion. It is related to Lockheed (the company) .