c. The following facilities are operational with ASDE − X: d. The following facilities have been projected to receive ASSC: The Traffic Information Service (TIS) provides information to the cockpit via data link, that is similar to VFR radar traffic advisories normally received over voice radio. Among the first FAA − provided data services, TIS is intended to improve the safety and efficiency of “see and avoid” flight through an automatic display that informs the pilot of nearby traffic and potential conflict situations. This traffic display is intended to assist the pilot in visual acquisition of these aircraft. TIS employs an enhanced capability of the terminal Mode S radar system, which contains the surveillance data, as well as the data link required to “uplink” this information to suitably − equipped aircraft (known as a TIS “client”). TIS provides estimated position, altitude, altitude trend, and ground track information for up to 8 intruder aircraft within 7 NM horizontally, +3,500 and  − 3,000 feet vertically of the client aircraft (see FIG 4 5 4, TIS Proximity Coverage Volume). The range of a target reported at a distance greater than 7 NM only indicates that this target will be a threat within 34 seconds and does not display a precise distance. TIS will alert the pilot to aircraft (under surveillance of the Mode S radar) that are estimated to be within 34 seconds of potential collision, regardless of distance or altitude. TIS surveillance data is derived from the same radar used by ATC; this data is uplinked to the client aircraft on each radar scan (nominally every 5 seconds). Surveillance Systems 4 − 5 − 8 8/15/19 3/15/07 1/30/20 AIM  7110.65R CHG 2 AIM TBL 4 − 5 − 1 TBL 4 − 5 − 2 SFO San Francisco International CLE Cleveland − Hopkins International MCI Kansas City International CVG Cincinnati/Northern Kentucky Intl PDX Portland International MSY Louis Armstrong New Orleans Intl PIT Pittsburgh International ANC Ted Stevens Anchorage International ADW Joint Base Andrews AFB BWI Baltimore Washington International BOS Boston Logan International BDL Bradley International MDW Chicago Midway ORD Chicago O’Hare International CLT Charlotte Douglas International DFW Dallas/Fort Worth International DEN Denver International DTW Detroit Metro Wayne County FLL Fort Lauderdale/Hollywood Intl MKE General Mitchell International IAH George Bush International ATL Hartsfield − Jackson Atlanta Intl HNL Honolulu International JFK John F. Kennedy International SNA John Wayne − Orange County LGA LaGuardia STL Lambert St. Louis International LAS Las Vegas McCarran International LAX Los Angeles International SDF Louisville International MEM Memphis International MIA Miami International MSP Minneapolis St. Paul International EWR Newark International MCO Orlando International PHL Philadelphia International PHX Phoenix Sky Harbor International DCA Ronald Reagan Washington National SAN San Diego International SLC Salt Lake City International SEA Seattle − Tacoma International PVD Theodore Francis Green State IAD Washington Dulles International HOU William P. Hobby International 4 − 5 − 6. Traffic Information Service (TIS) a. Introduction.