Findings:

• Cessna
• Cessna 172
• Cessna A-37 Dragonfly
• Cessna 140
• Cessna Citation X
• cessna (user)
• Cessna 182 Skylane
• Cessna 172 Skyhawk
• Cessna 172 Skyhawk (node_forward)

If you Log in you could create a "Cessna 182SP" node. If you don't already have an account, you can register here.