North Airfield Project Library
Rejection of DEIR
The Commonwealth explains why the Draft Environmental Impact Report was rejected.
Evaluation of Net Zero Claims
Examining the misleading net-zero claims of the project.
IEC Analysis of the DEIR
An independent analysis of the errors in the DEIR, particularly with regard to ferry flights.
Proponent’s DEIR
The Draft Environmental Impact Report filed by the proponent. Contains critial errors. Should be read in conjunction with the IEC study.
Project Term Sheet
Massport’s financial and project agreement with proponent.
North Airfield Environmental Timeline
Process milestones for Environmental Review.
North Airfield Environmental Impact Report Scope
State mandated requirements for Environmental Impact disclosure for the Jet Hangar project.
North Airfield Environmental Notification Form
The detailed proposal to triple the jet hangar capacity at Hanscom Field.
The Developers of the Hangar Project
The secretive developers and funders of the project, and their relationship to the failed Silicon Valley Bank.
FAA Grant Assurances
Examining Massport’s claim that the FAA requires them to build luxury hangars.
2022 Annual Noise Report
Massport’s 2022 report on flight operations and noise.
2021 Annual Noise Report
Massport’s 2021 report on flight operations and noise.
2022 State of Hanscom
Massport’s 2022 report on the activities at Hanscom.
2021 State of Hanscom
Massport’s 2021 report on the activities at Hanscom.
Low-carbon Aviation
The potential for low carbon private luxury jets at Hanscom Field.
Understanding Ferry Flights
Different types of ferry flights and how the project might affect them.
Calculations of Global Warming Effects
Explanation of how global warming effects of private jet traffic at Hanscom Field are computed.
The Hanscom Field Master Plan
The official and only policy document of Massport regarding Hanscom Field.
Private Jet Fuel Consumption
Table showing fuel consumption by type of aircraft.
Noise Impact Map
The most recent map showing areas of high impact (not made since 2000).
Economic Impacts of Hanscom Field
A review of the claims made regarding the economic benefits of Hanscom Field shows that they are overstated.
SOH White Paper on Aviation Sales Tax Exemption
A discussion of the loophole exempting private luxury aviation from sales taxes in Massachusetts.
SOH White Paper on Noise Impacts of Hanscom Field
A discussion of the appropriate noise metrics for assessment of impacts at Hanscom Field.
Airport Noise and Capacity Act of 1990
The legislation that took away all the rights of states or airport owners to control aviation noise.
Four Town’s Warrant Article on Hanscom Field
The 1997 Concord warrant article expressing planning objectives for Hanscom Field. Lincoln, Lexington, and Bedford passed nearly identical articles.