CAL5346 China Airlines
Boeing 777 F · B-18771 · SFO → ATL
· 1:13Quality 71soft focusnose/tail
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −74%). Download
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
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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
- 71%
- First lockfrom target selected
- 11.1 s
- Centring, medianaz / el while locked
- 0.60° / 0.58°
- Centring, 90th pctaz / el while locked
- 3.82° / 4.54°
- Tightest field of viewhorizontal
- 5.0°
- Time to 8°from first lock
- 49.4 s
- Time to tightestfrom first lock
- 59.3 s
- Time at telefield of view ≤ 5.5°
- 1.9 s
- Jitter at teleaz / el, standard deviation
- 0.07° / 0.14°
- Swing at teleaz / el, peak to peak
- 0.18° / 0.38°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 0.67°
- Largest tilt hopin any 1 s at tele
- 0.45°
- Pose error, mediancommand vs camera
- 1.17°
- Largest correctionvision vs prediction
- 1.52°
- Zoom steps
- 41
Aircraft & route
- Flight
- CAL5346
- Registration
- B-18771
- Type
- Boeing 777 F
- Airline
- China Airlines
- From
- SFO · San Francisco
- To
- ATL · Atlanta
- Ground speed
- 173 kt
- Altitude at closest
- 1,525 ft
- Vertical rate
- +2,240 ft/min
- Category
- A5
- ICAO hex
- 8990a0
Pass geometry
- Max elevation
- 83.8°
- Elevation at start → end
- 1.5° → 13.8°
- Azimuth at start → end
- 116° ESE → 299° WNW
- Closest-approach azimuth
- 17° NNE
- Minimum slant range
- 498 m
- Heading at closest
- 297° WNW
- Aspect at closest
- nose/tail (7°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:13 (73.1 s)
- Lock
- 71%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14k — loop integrates real tick time; aim lead −0.2 s
- Commit
- 33c2b35-k
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 36.5 MB · 73.0 s · offset -0.9 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
- -0.28
- 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