Question: What airport is the company headquartered that Michael Bimha is a previous chairman of?

Context paragraphs:
John Mogg, Baron Mogg: John Frederick Mogg, Baron Mogg KCMG (5 October 1943) is a previous Chairman of Ofgem and the current Chairman of the EU Energy Regulators.  It was announced that he would become a life peer on 18 April 2008, and on 28 May 2008 he was created Baron Mogg, of Queen’s Park in the county of East Sussex.

Vernon Sankey: Vernon Sankey is an Independent Director and Chairman of Audit Committee, Atos SE and a previous Chairman of Firmenich SA, Switzerland.

Nick Higgs: Nick Higgs is a former businessman and previous chairman of Bristol Rovers Football Club, and a former Chief Executive of Cowlin Construction, a company now owned by Balfour Beatty.

Mohammed Mahfoodh Al Ardhi: Mohammed Mahfoodh Al Ardhi is an Omani businessman and former military chief.  He is currently the Executive Chairman of Investcorp, Previous Chairman of the National Bank of Oman and was both the youngest and longest serving native head of the Royal Air Force of Oman, having joined as a fighter pilot.

Fidelity Special Values: Fidelity Special Values () is an actively managed contrarian British investment trust that aims to achieve long-term capital growth predominantly through investments in UK-listed companies.  Established in 1994, the company is a constituent of the FTSE 250 Index.  The Chairman is Andy Irvine, who took over from the previous Chairman, Lynn Ruddick, in 2016.  The fund is managed by Fidelity International.

Andrew Norton (Pirate Party): Andrew Norton (known also by his pseudonym "K`Tetch"; born 24 June 1980), is a British roboticist, politician and researcher.  He is a former Coordinator of Pirate Parties International, a previous Chairman of the United States Pirate Party and a previous Chairman of the Board for Pirate Party UK.

Michael Bimha: Michael Chakanaka Bimha is the former Zimbabwe Deputy Minister of Industry and Commerce.  He is the member of House of Assembly for Chikomba West (ZANU-PF).  He is a previous chairman of Air Zimbabwe.  In 2013, following Zanu PF’s victory in the country elections, Bimha was appointed Minister of Industry and Commerce, replacing Welshman Ncube.

T. Vincent Learson: Thomas Vincent Learson (September 26, 1912 – November 4, 1996) was IBM's chairman and chief executive officer from June 1971 through January 1973.  He was succeeded by Frank Cary.  Both the previous chairman Thomas Watson, Jr. and senior project manager Fred Brooks regarded Learson as the driving force behind the System/360 project, which was huge and risky but whose success ensured IBM's dominance of the mainframe computer market.

Ministry of Industry and Commerce (Zimbabwe): The Ministry of Industry and Commerce is a government ministry, responsible for trade in Zimbabwe and industrial policy.  The incumbent minister is Welshman Ncube and the deputy minister is Michael Bimha.  Its oversees:

Air Zimbabwe: Air Zimbabwe (Pvt) Ltd (operating as Air Zimbabwe) is the national carrier of Zimbabwe, headquartered on the property of Harare International Airport, in Harare.  From its hub at Harare International Airport, the carrier used to operate a network within southern Africa that also included Asia and London-Gatwick.  Following financial difficulties, Air Zimbabwe ceased operations in late  2012 (2012-) .  Serving a reduced domestic network, the carrier resumed operations for a short period between and early  2012 (2012-) , when flights were again discontinued.  Some flights were restarted on a discontinuous basis in that year.  The airline resumed operating some domestic routes as well as the regional service to Johannesburg on a daily basis in  2013 (2013-) .

Supporting paragraphs: Michael Bimha Air Zimbabwe
Answer: Harare International Airport