美國NTSB去年發現有六十八座橋梁是在 AASHTO指導方針公布前所設計的，這些橋梁目前尚未進行脆弱性評估。該會向橋梁所有者發出建議，要求他們使用AASHTO的方法II來計算其橋梁每年倒塌頻率。

The National Transportation Safety Board (NTSB) arrived on Friday to look into the fatal multi-vehicle collision on Interstate 35 that killed five people and injured 11 others. "They're more than ...

EARLY FINDINGS. JOHN. WELL, ED, THE NTSB SAYS THAT THERE WERE THOUSANDS OF NEAR-MISSES AT REAGAN NATIONAL IN THE LAST FEW YEARS, AND THAT IS NOW PROMPTING SIGNIFICANT CHANGES. WE REMAIN CONCERNED ...

Thousands of near-miss events: The warning signs leading up to the disaster over the Potomac River were there, NTSB investigators said in their preliminary report, citing data that detailed ...

LET ME JUST EXPRESS CONDOLENCES ON BEHALF OF THE ENTIRE NTSB. TO THE FAMILIES AND FRIENDS OF THOSE WHO PERISHED IN THIS ACCIDENT. >> NATIONAL TRANSPORTATION SAFETY BOARD MEMBER TODD INMAN REVEALING ...

WICHITA, Kan. (KWCH) - The National Transportation Safety Board (NTSB) is calling for immediate action following a mid-air collision in January between an Army Black Hawk helicopter and American ...

The NTSB's preliminary report on January's midair collision over Washington's Reagan National Airport reveals high risks in the Washington, D.C., airspace and calls for permanent changes.

Helicopter routes near Reagan National airport regularly cause an “intolerable risk to aviation safety,” NTSB Chairwoman Jennifer Homendy told reporters Tuesday during an update on its ...

Six weeks after 67 people perished in a D.C. midair collision, the NTSB’s preliminary report exposes a history of near misses between commercial jets and helicopters at the capital’s busiest ...

Homendy noted, however, that the NTSB still has to conduct its investigation before coming to any final conclusions or taking any punitive action against the Flexjet crew. "There's a lot of ...