Marine aircraft training to bring noise over Waimea-Kohala on July 4
Marine aircraft noise may spike over Waimea and Kohala starting at 9 a.m. July 4, with KC-130J and MV-22B training flights expected overhead.

Residents in Waimea, North Kohala and South Kohala may hear a burst of military aircraft noise beginning at 9 a.m. July 4, when U.S. Marine Aircraft Group 24 plans routine flight training over parts of the region. The notice gives holiday planners a specific window to watch, because even a short stretch of overhead traffic can cut through backyard cookouts, outdoor keiki events and quiet morning routines.
The training will involve KC-130J Super Hercules aircraft and MV-22B Osprey tiltrotor aircraft. Marine Corps crews said they will follow established noise-abatement procedures, but residents should still expect elevated noise at times, especially in open areas where sound carries across ranch land and neighborhood gulches.
That kind of temporary disruption is most likely to matter for households with small children, pets, livestock or holiday gatherings underway. A brief pass of low-flying aircraft can unsettle dogs, startle horses and cattle, and interrupt the kind of relaxed Fourth of July schedule many families build around time outside. The notice does not point to any emergency or unusual security situation; it frames the activity as routine training.

Marine Aircraft Group 24 is based at Marine Corps Base Hawaii at Kāneohe Bay and traces its history to March 1, 1942, when it was activated at Marine Corps Air Station Ewa on Oahu. The group includes VMGR-153, which provides air-to-air refueling and assault support, and VMM-268, which provides assault support transport. VMM-268 has also shown up publicly in Waimea before, including at the Waimea Fall Festival, which has helped make the sight and sound of Osprey aircraft more familiar to some residents.
The July 4 flights also fit a broader pattern of military-aircraft noise notices on Hawaii Island. A separate June 26 notice warned of increased aircraft noise during training around Pōhakuloa Training Area, another reminder that aviation activity over the island is recurring and not always confined to one place or one day. For Waimea-Kohala households trying to time morning chores, family gatherings or a holiday barbecue, the key detail is simple: expect aircraft noise after 9 a.m., and plan for it to be more noticeable than usual.
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