Transportation safety

FILE - This March 12, 2013 photo shows the air traffic control tower at Chicago's Midway International Airport. The Department of Homeland Security plans to issue a security alert Tuesday for small planes, warning that modern flight systems are vulnerable to hacking if someone manages to gain physical access to the aircraft. A DHS alert recommends that plane owners ensure they restrict unauthorized physical access to their aircraft until the industry develops safeguards to address the issue, which was discovered by Boston-based cybersecurity company, Rapid7, and reported to the federal government. (AP Photo/M. Spencer Green)

FILE - This May 11, 2006 file photo shows the Freedom of the Seas cruise ship docked in Bayonne, N.J. Kimberley Wiegand, the mother of an 18-month-old Indiana girl who fell to her death from an open window on the cruise ship in Puerto Rico, told NBC’s “Today” show Monday, July 22, 2019 that her family will sue Royal Caribbean Cruises for “not having a safer situation on the 11th floor of that cruise ship.” (AP Photo/Mike Derer, File)

Britain's Foreign Secretary Jeremy Hunt leaves 10 Downing Street, following a meeting held over British oil tanker Stena Impero which was captured by Iran, Saturday July 20, 2019. Hunt has said Britain's response to Iran's seizure of a British-flagged ship in the Strait of Hormuz "will be considered but robust."(Aaron Chown/( / PA via AP)

FILE - In this Feb. 13, 2018, file photo, automobile traffic waits at a train crossing as train cars that carry oil are pulled through downtown Seattle. Attorneys general for North Dakota and Montana have petitioned the Trump administration Wednesday, July 17, 2019, to overrule a Washington state law that imposes safety restrictions on oil shipped by rail from the Northern Plains. (AP Photo/Elaine Thompson, File)

Paul Njoroge testifies during a House Transportation subcommittee hearing on Capitol Hill in Washington, Wednesday, July 17, 2019, on aviation safety. Njoroge lost his wife and three young children on Ethiopian Airlines Flight 302. The plane was a Boeing 737 MAX. (AP Photo/Susan Walsh)

FILE - In this April 29, 2019, file photo, Paul Njoroge, who lost his wife and three young children in the March 10 crash of an Ethiopian Airlines' Boeing 737 Max 8 aircraft, speaks at a news conference in Chicago. Njoroge believes Boeing should scrap the 737 Max, and he wants the company’s top executives to resign and face criminal charges for not grounding the plane after a deadly accident last October. On Wednesday, July 17, Njoroge will be the first relative of any of the 346 passengers who died in those crashes to testify before Congress. (AP Photo/Teresa Crawford, File)

FILE - This Sunday, June 23, 2019 file photo released by the National Transportation Safety Board shows NTSB investigator Eliott Simpson briefing NTSB Board Member Jennifer Homendy at the scene of the Hawaii skydiving crash near Waialua, Hawaii on Oahu's North Shore. The National Transportation Safety Board says a witness to the crash that killed 11 people reported the plane's engines sounded normal before takeoff, but shortly after the plane left the ground it became inverted and crashed nose down. The NTSB's preliminary report was released Tuesday, July 9, 2019. No cause for the crash was given, which is typical for preliminary reports. (National Transportation Safety Board via AP, File)