LetzFly Pilot Flight Recorder

LetzFly is the pilot logbook and flight recording app your flying actually deserves.

One tap starts everything. Background GPS, automatic takeoff and landing detection, real flight time, distance, altitude, ground speed, every breadcrumb saved in detail. Start and stop from your iPhone or your Apple Watch, or let LetzFly start itself when you reach the runway. No reaching for the phone on short final to mark a landing. The recorder does its job, and it does it beautifully.

Built for iOS from the ground up, with beautiful surfaces and fluid motion. The route on the map is not a flat line. Each segment is scored and color coded, so a glance shows where the flight was clean and where it got busy, and the aeronautical chart lays airspace and navaids over your track. Standard logbook fields are first class citizens, pilot function and aircraft class, day and night landings, night and IFR time, and an automatic FSTD flag for simulator hours. Already flying with another logbook? Import your history from ForeFlight, MyFlightbook, or any CSV, and LetzFly maps the columns for you. Imperial units where pilots expect them, feet, nautical miles, knots, and a 24 hour clock.

Telemetry is configurable per flight. Pick device GPS for the real airplane, or a GDL90 source to log an X-Plane or MSFS session over your network.

When a flight starts, LetzFly streams a live trace to the cloud, so family, an instructor, or a club watch the airplane move across a map in real time, with takeoff and landing markers and a full phase breakdown. Distinct chimes, a Live Activity on the Lock Screen and Dynamic Island, and a home screen widget keep the flight a glance away. Your logbook stays yours, offline on the iPhone and mirrored by iCloud to your private Apple ID.

Recording.
- One tap start and stop, from iPhone or Apple Watch
- Automatic start and stop with geofences, significant location, and crash recovery
- Automatic detection of takeoffs, landings, and flight time
- Color coded segment scoring across the entire ground track
- Background location, barometric altimeter, and terrain refined altitude
- Aeronautical chart overlay with airspace and navaids
- Per breadcrumb storage of duration, altitude, speed, distance, and a landing flag

Telemetry.
- Device GPS, background capable
- GDL90 over UDP 4000, compatible with Microsoft Flight Simulator 2024 and X-Plane through GDL90 relays
- Source chosen per flight, with an automatic FSTD flag for sim feeds

Logbook.
- Standard columns
- Import from ForeFlight, MyFlightbook, and generic CSV with column mapping
- Automatic departure and arrival aerodromes, with the route backfilled
- Day and night landings counted separately
- Night and IFR seconds, with an automatic FSTD flag for sim time
- Filters, currency view, awards, manual entry, soft delete with a deleted logs view
- PDF report export and a share card for socials

Weather.
- Favorite airports with METAR and TAF
- METAR captured automatically at every takeoff and landing
- Wind rose, cloud layers, flight category at a glance
- Day and night visualizer

Flight detail.
- Full screen replay map
- Photo journal per flight
- Maneuver detection and flight analysis
- Runway aware approach review with wind and crosswind from the METAR
- Cloud analysis with a notification when it is ready
- Per breadcrumb data preserved, not just aggregates
- Expenses with receipts, attached to the right flight

Aircraft.
- Aircraft profiles with weight and balance
- Aircraft documents kept beside the aircraft they describe

Apple Watch.
- Start and stop a flight from your wrist
- Live HUD with altitude, track, landings, flight time, and block time
- METAR and TAF faces, with a last flight summary

Gadgets.
- Cloud base, density altitude, true airspeed, wind triangle, crosswind, top of descent, fuel planner, weight and balance, and conversions

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