Hawaii Volcanoes National Park announces the following flight plans for March 2020:
• Friday, between 7 a.m and 11 a.m., for invasive fountain grass survey and control along the coast from the Ka‘u- Kilauea boundary to Keauhou trail, up to 2,500 ft.-elevation.
• March 11, between 8 a.m. and 12 p.m., for moving trail material from the base of Byron’s Ledge trail to Research Road from 3,500-ft. to 3,800-ft. elevation.
• March 19, between 9 a.m. and 1 p.m., for invasive banaka poka surveys and control on Mauna Loa from 5,000-ft. to 6,000-ft. elevation.
• March 24, between 6:30 a.m. and 8:30 a.m., for ungulate surveys and control work in Kahuku Unit, between 3,400- and 6,000-ft. elevation.
• March 31, between 8 a.m and noon, for invasive Guinea grass survey and control along Keauhou trail, from the coast to 2,000-ft. elevation.
• March 31, between 7 a.m. and 9 a.m., for petrel monitoring on Mauna Loa from Kilauea to 9,000-ft. elevation.