In the mid-1960s, the Federal Aviation Administration (FAA) proposed increasing minimum runway length requirements by  at all U.S. airports with jet airliner service, extending to  feet in rain or snow conditions. However, these requirements would have necessitated building extending runways or even building new airports in some cities.
In the mid-1960s, the Federal Aviation Administration (FAA) proposed raising minimum runway length standards at all U.S. airports that served jet airliners, increasing them to  feet under rainy or snowy conditions. This would have required significant infrastructure investments, such as extending runways or building new airports in some cities.