Related Clues:

• Tool for smoothing wood
• Hughes's Spruce Goose, e.g
• 777, for one
• Airport arrival
• Zero, for one
• Course on power tool
• Aircraft; tree
• Tree's surface
• Tree and where it rarely grows, you say
• Flat surface; tree
• Tool in flat
• Smooth wood
• Tree; aircraft
• What imitates bird in tree
• This flier barked?