H.C Hannah 
Plane Justice 

Seventeen years ago, high-flying businessman Graymond Sharkey found himself in a maximum security prison. He was serving a life sentence for a brutal double murder committed at a deserted airfield in the English countryside. The evidence against him was overwhelming.But Graymond knows he is innocent. On his release from prison he is determined to find, and bring to justice, the real killer. In his search for the truth, Graymond realises that someone, somewhere, will go to any lengths to keep it hidden…