It comes despite the wider industry suffering its worst-ever year for performance in 2022, with the all-time record for delays being broken in April, June and July.
The airline was hoping to begin operations in September but is unable to do so until it receives the crucial Air Operators Certificate.
The truck-mounted devices can also be transported by C-17 Globemasters, and have recently proved crucial in turning the tide in the war in Ukraine.
John Orr-Campbell released a statement revealing he was “gutted to the core” to hear about chief pilot Ash Jenkinson’s death.
In a strongly worded statement, its director general, Willie Walsh, called the decisions “extremely disappointing” and said the rules would prove ineffective at keeping infections down.
It comes after more than 40 countries, including Germany, Britain and New Zealand, asked the International Civil Aviation Organisation (IATA) to help make single-pilot airliner flights a reality last year.