UAL743 United
Airbus A319 132 · N894UA
· 0:10Quality 40shortlost locknose/tail
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
Loading telemetry…
Lock
Events
Tracking metrics
How well the camera kept the aircraft centred. Tap a metric for what it means and what good looks like.
- Lockshare of the pass
- 28%
- First lockfrom target selected
- 7.3 s
- Centring, medianaz / el while locked
- 5.18° / 1.29°
- Centring, 90th pctaz / el while locked
- 6.36° / 4.47°
- Tightest field of viewhorizontal
- 4.4°
- Time to 8°from first lock
- —
- Time to tightestfrom first lock
- —
- Time at telefield of view ≤ 5.5°
- 1.4 s
- Jitter at teleaz / el, standard deviation
- —
- Swing at teleaz / el, peak to peak
- —
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- —
- Largest tilt hopin any 1 s at tele
- —
- Pose error, mediancommand vs camera
- 28.05°
- Largest correctionvision vs prediction
- 2.87°
- Zoom steps
- 23
Aircraft & route
- Flight
- UAL743
- Registration
- N894UA
- Type
- Airbus A319 132
- Airline
- United
- From
- —
- To
- —
- Ground speed
- 267 kt
- Altitude at closest
- 11,325 ft
- Vertical rate
- -64 ft/min
- Category
- A3
- ICAO hex
- ac55f3
Pass geometry
- Max elevation
- 29.8°
- Elevation at start → end
- 25.2° → 29.8°
- Azimuth at start → end
- 330° NNW → 332° NNW
- Closest-approach azimuth
- 332° NNW
- Minimum slant range
- 7.0 km
- Heading at closest
- 140° SE
- Aspect at closest
- nose/tail (13°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:10 (10.0 s)
- Lock
- 28%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14n — vision skyline mask 31x cheaper (loop back to ~15 Hz)
- Commit
- af2a83e
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 5.0 MB · 10.0 s · offset -1.5 s
- pursuit
- velocity
- maxLeadSec
- 3
- panLatencySec
- 0.6
- tiltLatencySec
- 0.4
- rippleDeg
- 0.5
- rippleTeleDeg
- 0.25
- maxSpeedStepFwps
- 0.45
- speedReachFrac
- 0.8
- lockedSigmaDeg
- 0.35
- sigmaGrowthDps
- 0.1
- aimLeadSec
- -0.16
- correctionSlewDps
- 2.5
- kp
- 1
- ki
- 0.6
This clip and poster are © Skylight (Cameron Paczek): free for non-commercial use with credit to skylightceiling.com, not MIT. License