N4A (cn 4119) N4A (Formerly N2A) The Spirit of Innovation prepares for departure to Cincinnati Municipal-Lunken Airport. This marked the last time that a Goodyear Loral built blimp departed 4OH6. Moored in the background is N1A, the first Goodyear-Zeppelin joint built Zeppelin NT. (NT-LZ-N07-101) names Wingfoot One.