Two pilots are due to appear in court after allegedly failing breath tests in advance of a flight to the United States.
A service from United Airlines from Glasgow to Newark was canceled on Saturday after the couple's arrest on suspicion of being under the influence of drink or drugs.
Flight number UA162 had departed from Glasgow Airport at.
Male pilots aged 45 and 61 are expected to appear at Paisley Sheriff Court later on Tuesday.
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They have been in custody since their arrest because of an alleged violation of the Railway and Transportation Safety Act of 2003.
The law states that the alcohol limit for pilots is nine micrograms of alcohol in 1
If sentenced, they receive a sentence of up to two years in prison, a fine or both.