Dover
Riverfront mill geometry, winter surfaces, and public-way controls make access the first engineering question.
State field guide
Helicopter Lift Planning in New Hampshire
This release covers Salem, Nashua, Manchester, Portsmouth, and Dover. Census Vintage 2025 has only two metropolitan statistical areas with New Hampshire territory, so the established fallback ranks whole 2020 Census urban areas containing state territory. Salem anchors New Hampshire’s part of the cross-state Boston urban area because it has the largest town overlap. Derry primarily belongs to the Nashua urban area. Whole-area counts do not measure city population, project demand, site access, or authority over a work area.
Published City Guides
Manchester
Intersecting runways, Class C traffic, and long freeze seasons force the flight path and ground controls into one plan.
Nashua
Boire Field traffic, river crossings, and mixed-use corridors put access and public separation on the first planning sheet.
Portsmouth
Harbor tides, port cargo, and Pease traffic put several authorities along even a short load path.
Salem
Regional airport traffic, Route 28 development, and winter access make the street plan as important as the load path.
From the technical library
