Private company

Transocean Airlines

Logo: Carabina 01, CC BY-SA 4.0, via Wikimedia Commons3

US supplemental air carrier, 1946–1960

Known for the first few months of its existence as Orvis Nelson Air Transport (or ONAT), Transocean Air Lines was a supplemental air carrier, a type of U.S. airline defined and regulated by the Civil Aeronautics Board (CAB), the now-defunct United States Government agency that, from 1938 to 1978, tightly regulated almost all U.S. commercial air transportation.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1946Founded1
  • HeadquartersOakland1
  • Founded inOakland1
DC-4TransoceanColor (4403732171)
Photo: Bill Larkins, CC BY-SA 2.0, via Wikimedia Commons4

Known for the first few months of its existence as Orvis Nelson Air Transport (or ONAT), Transocean Air Lines was a supplemental air carrier, a type of U.S. airline defined and regulated by the Civil Aeronautics Board (CAB), the now-defunct United States Government agency that, from 1938 to 1978, tightly regulated almost all U.S. commercial air transportation. During the time the airline operated, supplemental airlines were charter/scheduled hybrids, legally able to operate a limited amount of scheduled service, which Transocean did, especially towards the end of its existence.2

Timeline

  1. 1960Dissolved Dissolved1
  2. 1946Founded Founded in Oakland1

Sources

The numbers on this page point here. Each one links to the record it came from.

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