Jeppesen Aviation Charts and Supplies For nearly 75 years, Jepesen has helped aviation professionals worldwide reach their destinations safely and successfully.

Yes, there is an effective date, and NavData updates for GPS and FMS equipment are only good for the specific, 28-day time period indicated. For your convenience, we make our updates available 7 to 10 days prior to the effective date. I hate love story film. Pilots using most GPS units will want to load new data updates as close as possible to the effective date. Jeppesen NavData for cycle 1808, effective 19 July 2018, contains incorrect data. Source cancelled the NELAN 2 RNAV Departure procedure. The NELAN 2 Departure [NELAN2] in cycle 1808 NavData should not be used.