Search
  • Patrick Durkin

Sonar Expert Recovers Body from Lake Tahoe’s Depths

Until technology made side-scan sonar equipment more portable and affordable this century, drowning victims who sank deeper than 70 feet usually spent eternity pressed to the bottom by water’s indifferent weight.


But high-tech gear won’t find lost souls and return their bodies to grieving families unless a patient expert with a big heart is operating the controls. That’s why desperate spouses and parents across the United States often summon Black River Falls’ Keith Cormican. He’s their last hope when local authorities quit searching for loved ones who drown while fishing, boating, paddling or swimming.


Cormican, 60, has found victims up to 16 years after they drowned in water hundreds of feet deep. In fact, Cormican likely set a record Sept. 27 when leading a team that recovered the body of Ryan Normoyle, 29, from 1,565 feet of water nearly nine weeks after he drowned in Lake Tahoe on the Nevada-California border.


Normoyle, a New Jersey woodworker, set up his smartphone to video-record himself doing a back flip off the stern of his rental boat Aug. 10. Tragically, he was alone and likely didn’t realize the boat’s idling engine was still in gear. When Normoyle surfaced, he couldn’t swim fast enough to catch up with the boat, and disappeared from the video within two minutes.


Members of the U.S. Coast Guard, Douglas County Sheriff’s Office Marine Unit, and Washoe County Marine Unit began searching for Normoyle after his boat beached that night. After analyzing GPS data from the man’s phone to pinpoint his last known position, searchers scanned the depths several days without success.


They were well-equipped for the task, deploying a remotely operated vehicle equipped with lights, sonar and camera they bought earlier from Cormican, a longtime diver, search-and-recovery instructor, and salesman for Klein Marine System’s side-scan sonar units. After those crews quit searching to resume their usual duties, a University of California-Davis team arrived with an unmanned submarine to try to find Normoyle. They also failed.


Normoyle’s family then contacted Cormican, who runs Bruce’s Legacy, a nonprofit search-and-recovery operation. Cormican created Bruce’s Legacy in 2013 to honor his older brother, a firefighter who died in August 1995 at age 40 while searching the raging floodwaters of Robinson Creek for a drowned canoeist.


Cormican has since recovered 32 drowning victims, mostly from within the United States. In May 2019, he also flew to Nepal and recovered a boy’s body from a lake 18,000 feet up a mountain not far from Mount Everest. Cormican asks families to cover his food and lodging, but depends on donations to cover his equipment and operating costs.


Cormican is no stranger to Lake Tahoe, a massive 12- by 22-mile freshwater lake with depths to 1,645 feet, ranking it second in the U.S. behind Oregon’s Crater Lake at 1,943 feet. (For perspective, if you stacked five Wisconsin capitol buildings atop each other and stood on the bronze Wisconsin lady’s shoulders at the peak, you’d still be 223 feet beneath Lake Tahoe’s surface.)


In 2017, Cormican recovered two men from separate drownings in 245 feet of water on Lake Tahoe. In fact, during three trips to California lakes and reservoirs that year, Cormican recovered six victims in all. A year later, he also consulted with Lake Tahoe authorities to help them recover a man who drowned in 1,062 feet of water, the previous unofficial record recovery depth.


Despite his expertise, Cormican knew he faced enormous challenges recovering Normoyle, who disappeared about 3.5 miles from shore in over 1,500 feet of water. Even though Cormican used equipment he sold to Lake Tahoe’s local search-and-rescue teams, extreme depths increase the gear’s weight and decrease its efficiency, stressing the operators’ controls and electronics for the ROV and its 1,700 feet of cable.


It takes the ROV about a half-hour to reach the bottom at 1,500 feet, and roughly 45 minutes to return if the crew must make tweaks or adjustments. All those minutes increase the challenge, given that local agencies gave Cormican only four days to complete the job with their equipment and personnel.


Cormican and his team began searching on Thursday, Sept. 24, but wind-driven waves hampered their work and sent them ashore by early afternoon. The lake was calm Sept. 25, but they soon lost power to propel the ROV, which Cormican said felt like a 350-pound anchor as they pulled it up. They rerigged the ROV so they could tow it near bottom with a cable while studying its sonar images.


A few hours into their search on Day 2, Cormican identified a body in a sonar image 1,551 feet below. As if by magic, the ROV’s propulsion system returned. Cormican steered the ROV in close and used its crab-like claw to grab one of Normoyle’s wrists. Unfortunately, the claw didn’t hold when they tried pulling the body up. They gave up at dark.


Their equipment suffered more electrical problems Saturday. By the time they resolved the issues and sent the ROV down, they were running out of daylight. Then the sonar failed. They tried to relocate the body with the ROV’s camera, but gave up at dark.


Cormican started Day 4 early by fixing the ROV’s power/sonar problems, reinforcing the claw’s grip, and fashioning a cinch from 1-inch webbing to fasten over the corpse’s arm. Though he and his team faced 2- to 3-foot waves, they returned to the site, sent down the ROV, and relocated the body. The cinch-strap didn’t work, however, so they grabbed ahold with the claw.


“We raised him nearly 1,000 feet, but then he slipped free,” Cormican said. “We had drifted about 300 yards, so when we relocated him he was in 1,565 feet of water. We rigged another cinch to put over his arm near the elbow and tried again. That one worked perfectly.”


Rotating in three-man teams, Cormican and his crew heaved and hauled for over two hours to pull the cable, ROV and Normoyle’s body aboard. He estimated the combined weight was at least 325 pounds.


“Hauling up that much weight in rough water took a huge effort,” Cormican said. “We had to go slow and be careful the entire time. It took a lot of help from really special people to get Ryan back home.”

Keith Cormican of Black River Falls has used sonar gear and remote-controlled submersibles to recover 32 drowning victims the past seven years, including one in late September from a record 1,565 feet in Lake Tahoe. — Patrick Durkin photo

99 views

2018 Patrick Durkin Outdoors

Created on Wix