Original Bulletin: May 25, 2019
PLEASE READ THIS BULLETIN IN ITS ENTIRETY BEFORE CONTACTING DYNON AVIONICS
A GPS rollover event (Epoch) which occurred on April 6, 2019, has affected SV-GPS-250 antenna/receivers which were shipped until early 2014.
Symptoms include, but are not limited to:
Please note that if you have a backup battery installed, the Date and Time may be present on the top bar and in the GPS status page, but you may experience the other listed issues.
Your SV-GPS-250 antenna/receiver may be affected if it was shipped prior to early 2014 AND is exhibiting the symptoms listed above.
The following equipment is NOT affected by this service bulletin
Due to the nature of the errors, we recommend complying with this service bulletin before further flight. However, it is up to the owner/operator to determine the airworthiness of the aircraft for flight.
Perform either of the following:
This technical service bulletin is in effect indefinitely or until superseded by a future bulletin.
You are solely responsible for ensuring that your aircraft is airworthy. In the case of S-LSA aircraft, owners may need special authorization to service the aircraft if such operations are not permitted in the maintenance manual. Please refer to your aircraft maintenance manual or contact your aircraft manufacturer concerning changing the software on your SkyView system.
This service bulletin does not affect installations of SkyView HDX that are approved under Dynon’s STC program.
Contact Dynon Avionics Technical Support via phone (425-402-0433) or email firstname.lastname@example.org