In the event of radio failure ([[NORDO]]) or loss of radio coverage, a phone call to [[ATC]] can be an option. Here are some useful phone numbers: | Agency | Phone Number | | ------------------------------ | ---------------- | | Norcal KPAO Clearance Delivery | ‭(916) 361-3748‬ | | Norcal [[TRACON]] | ‭(916) 366-4001‬ | | Oakland Center [[ARTCC]] | ‭(510) 745-3331‬ | | KPAO Tower | ‭(650) 493-0641‬ | | KSQL Tower | (650) 592-5289 | | Socal [[TRACON]] | ‭(858) 537-5800 |