Related Clues:

• Cricket guide - one examining details of flight, spin, etc
• High-flying trial judge
• One assesses a crate's quality by giving it a spin
• One whose examination starts in a taxi?
• Someone who'd be up for trial?
• Highly dangerous job I found opening river bed
• One might check bombers pass current through river bed
• Try out twice as highflying expert
• High-flier whose performance is often on another plane
• Learner in top set, it turned out, is a high flier
• One up for 11?
• High flying river guide
• One who flies new aircraft
• First man to take up a craft
• Aviation ace has smug group holding up trial