New Jersey flying is dense from the first radio call. The state has 40 public-use airports, but only 6 are towered. KEWR (Newark Liberty Intl) sets the scale with an 11,000 ft runway at 18 ft elevation. KTEB (Teterboro) is the corporate gateway with a 6,997 ft runway, an ILS and 6 FBOs. It sits in the most demanding airspace environment in the state. South Jersey gives you longer pavement without the same metro pressure. KACY (Atlantic City Intl) has 10,001 ft available at 75 ft elevation. KMIV (Millville Muni) is non-towered yet still has an ILS, a 6,003 ft runway and an FBO. KMJX (Ocean County) and KWWD (Cape May County) bring instrument approaches close to the shore. Central and northwestern New Jersey are tighter, more mixed. often more weather-sensitive. KTTN (Trenton Mercer) has 5 runways, the most at any field in the state data. KMMU (Morristown Muni) and KCDW (Essex County) are towered ILS fields that support serious IFR work. N51 (Solberg/Hunterdon) gives rural Hunterdon County a 5,598 ft non-towered option.