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Global Aerospace Experience

Four Decades of Aviation Experience. A Global Transaction Network.

Hemisphere Aerospace Investments brings together commercial, financial, operational, and technical aerospace experience developed across global aircraft and engine markets. HAI and its leadership have participated in aircraft transactions, engine programs, conversions, maintenance programs, asset management, and aviation investments spanning six continents.

Global Footprint

Aerospace Experience Across Six Continents

Hemisphere Aerospace Investments operates through a global network of aviation relationships, technical providers, operators, investors, and transaction counterparties. HAI's experience extends across North America, South America, Europe, Africa, Asia, and Australia and Oceania.

The company's work spans aircraft acquisition and disposition, engine transactions, passenger-to-freighter programs, maintenance and technical oversight, aircraft remarketing, asset repositioning, and structured aviation transactions.

North America

Aircraft and engine acquisitions, commercial aviation transactions, MRO programs, aircraft modifications, technical oversight, portfolio management, and strategic aerospace projects.

South America

Commercial aircraft and engine opportunities, aircraft placement, technical programs, and aviation transaction support.

Europe

Aircraft trading, leasing relationships, aviation investment relationships, engine transactions, portfolio management, and international aerospace partnerships.

Africa

Aircraft placement, commercial aviation opportunities, fleet requirements, and emerging-market aviation transactions.

Asia

Aircraft and engine trading relationships, widebody and freighter opportunities, international asset transactions, and aviation counterparties.

Australia & Oceania

Aircraft acquisition experience, international aircraft transactions, and commercial aviation asset opportunities.

Transactions

Aircraft and Engine Transaction Experience

HAI specializes in identifying, evaluating, structuring, acquiring, transforming, and repositioning commercial aviation assets.

The company's approach combines commercial analysis, technical due diligence, maintenance planning, transaction structuring, and asset remarketing.

Aircraft Acquisition & Disposition

Commercial aircraft acquisition, aircraft sales, portfolio transactions, remarketing, and asset repositioning.

Engine Trading & Investment

Commercial engine acquisition, technical evaluation, repair planning, shop visit management, engine trading, and remarketing.

Aircraft Leasing & Portfolio Management

Commercial and technical asset oversight, lease and lending structures, portfolio maintenance, asset management, and transaction support.

Structured Aviation Transactions

Equipment financing analysis, transaction structuring, risk analysis, documentation, securitization, asset sales, restructuring, and aviation investment opportunities.

Aircraft Platforms

Commercial Aircraft Platform Experience

HAI and its leadership have worked across major commercial aircraft families and specialized aviation programs.

Boeing
Boeing 737
Boeing
Boeing 747
Boeing
Boeing 757
Boeing
Boeing 767
Boeing
Boeing 777
Airbus
Airbus A321
Airbus
Airbus A340
McDonnell Douglas
MD-80 Family

Platform experience reflects transactions, technical oversight, maintenance programs, conversions, asset management, or related aviation activities conducted by HAI or members of its leadership team.

Engine Platforms

Commercial Engine Platform Experience

Engine trading and technical asset management are core areas of HAI's commercial aerospace experience. HAI evaluates engine opportunities through a combination of market analysis, records review, physical inspection, maintenance status, shop visit liability, operational history, and future remarketing potential.

CFM International
CFM56-5B
CFM International
CFM56-7B
CFM International
CFM56 Family
GE
CF6-50
GE
CF6-80
GE
GE90
CFM International
LEAP-1A
CFM International
LEAP-1B
Pratt & Whitney
PW4000
Pratt & Whitney
PW2000
IAE
V2500
Rolls-Royce
RB211
Rolls-Royce
Trent Family
Rolls-Royce
Trent 800
Engine Alliance
GP7200
GE
CF34

HAI does not perform every repair capability internally. Where maintenance and overhaul are required, HAI works through strategic FAA- and EASA-certified service providers and technical relationships to coordinate the appropriate scope of work for each engine platform.

Freighter Conversions

Passenger-to-Freighter Conversion Experience

Passenger-to-freighter conversion programs are a significant part of the aviation experience represented within HAI's leadership.

John B. Sawyer participated in the launch and execution of the Boeing 737-400 passenger-to-freighter conversion program and was involved in more than 40 profitable P2F conversions.

HAI's broader capabilities include aircraft acquisition, pre-buy evaluation, maintenance planning, conversion coordination, technical oversight, integration, and aircraft remarketing.

This work spans narrow-body freighter aircraft and Boeing freighter programs, cargo aircraft conversion, and the related aircraft modification programs that keep freight and logistics operators flying.

40+Profitable P2F conversions
led by HAI leadership
A converted narrow-body freighter with its main-deck cargo door open on a wet ramp at night
Representative Work

Representative Aircraft and Engine Experience

A selection of representative transactions and programs illustrating the depth of HAI's commercial aerospace experience.

01Representative Experience

Large-Scale Aircraft Portfolio Transactions

HAI leadership has extensive experience structuring and executing large commercial aircraft portfolio transactions.

John B. Sawyer was a principal in a major U.S. Air transaction involving more than 100 aircraft and a substantial spare parts inventory.

Across his career, Sawyer has completed more than 250 aircraft transactions and participated in major aircraft and engine acquisitions, portfolio sales, leasing programs, and asset repositioning strategies.

02Representative Experience

Commercial Engine Trading and Remarketing

HAI has executed commercial engine acquisition, repair, and remarketing strategies involving major engine platforms.

The company's approach evaluates engine market demand, maintenance status, shop visit liability, technical condition, operating history, repair requirements, and future asset value before developing an acquisition and exit strategy.

03Representative Experience

Freighter and Logistics Aviation

HAI and its leadership have extensive experience with commercial freighter aircraft, passenger-to-freighter conversions, engine programs, and aviation transactions supporting cargo and logistics operators.

This experience includes narrow-body and widebody aircraft, freighter conversion programs, maintenance coordination, technical asset oversight, and aircraft and engine remarketing.

Capabilities

Commercial, Technical and Operational Aerospace Expertise

A full-lifecycle capability set spanning commercial strategy, technical asset management, and structured aviation transactions.

  • Aircraft Trading and Leasing
  • Aircraft and Engine Acquisitions
  • Aircraft Remarketing
  • Engine Trading
  • Engine Technical Evaluation
  • Passenger-to-Freighter Conversions
  • VVIP Aircraft Retrofits
  • Aircraft Maintenance Coordination
  • Engine Repair and Overhaul Programs
  • Portfolio Maintenance
  • Technical Asset Management
  • Aircraft Modifications
  • Avionics Programs
  • Structured Aviation Finance
  • Aviation Investment Analysis
  • Transaction Due Diligence
  • Asset Repositioning
  • Commercial Aviation Strategy
Strategic Relationships

A Network Built for Execution

HAI works through strategic relationships with experienced aviation service providers to support complex aircraft and engine programs.

Strategic Service Relationship

PEM-AIR Turbine Engine Services

A strategic relationship supporting turbine engine maintenance, repair, and technical services.

Strategic Service Relationship

Level 5 Aerospace

A strategic relationship supporting aircraft maintenance, modifications, and specialized aerospace services.

These strategic service relationships expand HAI's ability to coordinate engine maintenance and repair, aircraft maintenance, structural modifications, avionics programs, conversion projects, technical services, and specialized aviation requirements. Each provider is an independent organization, and every engagement is matched to the right certified capability for the aircraft, engine platform, and technical scope.

Leadership

Experience Built Across the Aviation Lifecycle

HAI is led by aviation executives with experience spanning aircraft trading, leasing, MRO operations, aircraft modifications, passenger-to-freighter conversions, engine programs, portfolio management, structured finance, and technical asset management.

JSHemisphere

John B. Sawyer

Founder, Principal & Chief Executive Officer

John B. Sawyer is the Founder, Principal, and Chief Executive Officer of Hemisphere Aerospace Investments. He brings nearly 40 years of commercial aerospace experience, including more than two decades in executive and board-level leadership positions.

Sawyer has completed more than 250 aircraft transactions and has extensive experience originating, negotiating, structuring, managing, and closing major aircraft and engine transactions.

His background includes senior leadership roles across aircraft leasing, MRO organizations, aircraft trading platforms, technical asset management, and aviation investment organizations.

View the leadership team
FAQ

Frequently Asked Questions About HAI's Global Aerospace Experience

What does Hemisphere Aerospace Investments do?

Hemisphere Aerospace Investments is a commercial aerospace company focused on aircraft and engine trading, aviation asset transformation, portfolio management, technical services, aircraft conversions, maintenance programs, and structured aviation transactions.

Does Hemisphere Aerospace Investments work internationally?

Yes. HAI and its leadership have aviation experience and industry relationships spanning six continents. The company works with aviation operators, investors, technical providers, and transaction counterparties across global commercial aerospace markets.

Does HAI buy and sell commercial aircraft?

Yes. HAI evaluates commercial aircraft acquisition, sale, trading, leasing, remarketing, and asset repositioning opportunities. Each aircraft opportunity is evaluated based on the asset, technical records, maintenance status, configuration, location, market conditions, and transaction requirements.

Does HAI buy and sell aircraft engines?

Yes. Commercial engine trading and engine asset opportunities are core areas of HAI's experience. HAI evaluates individual engines and engine portfolios based on technical condition, records, maintenance history, shop visit requirements, market demand, and future asset value.

What aircraft types has HAI worked with?

HAI and its leadership have experience involving major Boeing and Airbus commercial aircraft families, including Boeing 737, 747, 757, 767, and 777 aircraft, Airbus A321 and A340 aircraft, and MD-80 family aircraft. Experience may include transactions, maintenance programs, conversions, technical oversight, asset management, or related aviation activities.

What aircraft engine platforms does HAI have experience with?

HAI's engine experience and strategic technical relationships span major commercial engine families including CFM56, CF6, GE90, LEAP, PW4000, PW2000, V2500, RB211, Trent, GP7200, and CF34 platforms.

Does HAI perform passenger-to-freighter conversions?

HAI's leadership has extensive passenger-to-freighter conversion experience. John B. Sawyer participated in the launch and execution of the Boeing 737-400 passenger-to-freighter conversion program and was involved in more than 40 P2F conversions. HAI supports aircraft acquisition, technical evaluation, maintenance planning, conversion coordination, integration, and aircraft remarketing.

Does HAI provide aircraft maintenance and engine repair services?

HAI coordinates aircraft maintenance, engine programs, technical services, modifications, and repair requirements through strategic relationships with experienced FAA and EASA-certified aviation service providers. Capabilities depend on the aircraft, engine platform, and required technical scope.

Does HAI work with aviation investors and financial partners?

Yes. HAI evaluates aviation investment opportunities, structured aircraft and engine transactions, portfolio opportunities, and strategic capital relationships. The company's leadership has extensive experience with equipment financing, lease and lending structures, risk analysis, asset sales, portfolio management, and aviation transaction structuring.

Has HAI worked with major aerospace and technology companies?

HAI and its leadership have completed projects or transactions involving major aerospace, aviation, logistics, and technology organizations. Publicly referenced experience includes L3Harris Technologies, Raytheon, Jetran, Aergo Capital, and other aviation counterparties.

Where is Hemisphere Aerospace Investments headquartered?

Hemisphere Aerospace Investments was founded in 2018 and is based in Waco, TX. The company operates through a global network of aviation relationships, technical providers, investors, operators, and transaction counterparties.

How can I submit an aircraft or engine opportunity to HAI?

Aircraft owners, operators, lessors, investors, and aviation counterparties can contact Hemisphere Aerospace Investments through the company's contact page. Include the aircraft or engine type, asset location, general operational or maintenance status, transaction objective, and preferred timeline when available.

Submit an aircraft or engine opportunity

Aircraft owners, operators, lessors, investors, and aviation counterparties can bring transactions, portfolios, and technical requirements to HAI's global network.

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