Flight plans to your SD card

GAirFlash sends a flight plan from your electronic flight bag to a Wi-Fi SD card sitting in an aircraft navigator’s card slot, so you do not have to carry a card reader to the aircraft.

Share a route at home and it is queued straight away — no Wi-Fi needed. Walk up to the aircraft, power the avionics, and the plan is written to the card, checked by reading the folder back, and older plans are moved to an archive folder on the card.

What it does

  • Accepts routes shared from flight planning apps, or picked as a file
  • Reads GPX, Garmin .gfp, Garmin .fpl XML and SkyDemon .flightplan
  • Rewrites the file into the exact shape a navigator accepts, including the strict filename rules
  • Queues offline and uploads when the card is in range, then verifies the file really arrived
  • Keeps a per-aircraft history, identified by the card's serial number
  • Diagnostics for card health, and a card file browser

What you need

  • A Wi-Fi SD card with uploads enabled in its own configuration file
  • A navigator that imports flight plans from a folder on its data card

What it is not

GAirFlash is not a flight planning tool and does not replace one. It moves a file. The navigator only reads that folder when it powers up, so a plan sent after start-up appears at the next one.

What’s new

1.0.0 · 30 August 2026

  • First release.
  • Share a route from your EFB and GAirFlash queues it straight away — no Wi-Fi needed until you reach the aircraft.
  • Reads GPX, Garmin .gfp, Garmin .fpl and SkyDemon .flightplan.
  • Uploads are verified by reading the card back, so a plan is never marked sent unless it really arrived.
  • Pruned plans are archived on the card rather than deleted.

GAirFlash remains experimental and is not certified avionics. Always verify an imported plan on the navigator before departure.