In World War 2 commercial planes were used to transport troops, deliver cargo and move the President to places (and Elinor Roosevelt too). A Presidential plane was developed but I can't remember if it was as early as World War 2. World War 1 planes had not developed enough to have commercial large transport planes yet. The commercial planes also helped to free up the large military transport planes for other uses. The train however was still the main source of mass transportation in that era in the United States.
Planes
Korean Air Lines.
It was to transport people rather than freight just like the Santa Fe Trail.
Don't know about '68, but Braniff and TWA were doing it in '69, and later.
The Hindenburg disaster ended rigid airship aviation for commercial purposes, and since then no zeppelin has ever been used to transport passengers or cargo.
For each chemical compound exist special rules for air transport because some are dangerous.for safety purpose
No, it is generally not permissible to transport dirt on a plane due to safety and security regulations.
It was a Lockheed Vega 5B:Seven-seat passenger transport version, built for higher gross weight operations with commercial operators.
The price of airbus commercial plane is 337,500,000 US dollars.
commonly it is a jet plane
This would depend entirely on the country from which the commercial plane was flying.
Road transport is better than air transport because they can bring the products directly from the manufacturer to the purchaser, whereas in air transport there are lots of transfers from plane to truck and from plane to plane.
bearer plane is responsible for the transport of the actual payload.
An-225 transport
A person who flies a plane is called a pilot. Pilots are trained to operate aircraft and are responsible for the safety of passengers and crew during flights. They can work in various sectors, including commercial aviation, cargo transport, and military service.
Yes, the pope charters a plane from a commercial airline when he needs to travel. The Vatican does not own a plane. Usually, he charters a plane from Alilalia, an Italian airline.
The Lockheed Electra she flew on her final flight was a commercial airliner, heavily modified to her specifications.