Peter regularly acts for victims of aviation accidents world wide, and has significant knowledge of legal, technical and jurisdictional issues arising out of light aircraft, helicopter and airline accidents. Additionally, Peter advises on commercial aviation matters with an interest in liability issues arising out of the commercial use of drone technology.


  • Peter is described in Chambers as “an exceptional lawyer” and “is lauded for both his technical expertise and client manner, with sources describing him as ‘an immensely professional and talented technical expert who is warm and engaging, with an excellent grasp of complex issues.’”
  • He has been recommended in Legal 500 as “one of the top aviation lawyers in Europe. He an aviation law supremo who is details focused with brilliant technical knowledge. Nobody knows more about the Montreal Convention than Peter.”
  • Peter has additionally been described in the Legal 500 as having an “‘incredible forensic mind and an eye for detail’ and as ‘fantastic on aviation-related cases’”. In the Legal 500 2017, they commented: “he stands out for his impressive ability to explain complex aviation law in understandable terms.”

Chambers & Partners 2022

  • “Peter is one of the most intelligent lawyers I’ve ever come across”
  • “Without any exaggeration, Peter is a dream attorney for any client to have.”
  • “Peter is one of the best aviation lawyers in Europe”
  • “Peter Neenan’s client service, level of sophistication and commercial awareness are very strong. He is a great expert in aviation”.
  • “Peter Neenan is a fantastic lawyer with unrivalled technical expertise in aviation accidents.”


Peter has represented families in the majority of large airline disasters around the world over the past 10 years. Recent highlights have included the Boeing 737 Max cases (both Lion Air Flight 610 and Ethiopian Airlines Flight 409), Malaysia Airlines Flight MH17 and MH370.

In addition, Peter assists in commercial aviation matters, eg aircraft resale involving proof of sophisticated aircraft systems malfunction.


Peter joined the Aviation department on its inception in 2006 and has been at the department since. He holds a MSci in Theoretical Physics, an LLM in Advanced Air & Space Law and is qualified as an English solicitor and Illinois attorney.

Peter was featured in an article in The Times ‘Jump from paralegal to partner’ regarding his progression from paralegal to partner at Stewarts.

Accreditations and Memberships

Peter is a member of the Royal Aeronautical Society and the American Bar Association.


Peter regularly lectures at the Leiden Institute of air and space law. He has spoken at various international events including the ABA Aviation Forum, the McGill International Aviation Liability & Insurance Conference, and the APIL Accidents Abroad Conference.


Peter is a founding member of the Stewarts football team and plays squash and football on a weekly basis. He also enjoys long runs and snowboarding. Peter spent considerable time living and working in Russia and Kazakhstan.