SWA3154 Southwest Airlines
Boeing 737NG 7H4/W · N221WN · SJC → LGB
· 1:23Quality 89side-onturned left 39°Dead-zone wrap
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −75%). 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
- 73%
- First lockfrom target selected
- 8.4 s
- Centring, medianaz / el while locked
- 0.67° / 0.30°
- Centring, 90th pctaz / el while locked
- 1.64° / 1.23°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 4.0 s
- Time to tightestfrom first lock
- 6.1 s
- Time at telefield of view ≤ 5.5°
- 9.6 s
- Jitter at teleaz / el, standard deviation
- 0.26° / 0.23°
- Swing at teleaz / el, peak to peak
- 1.06° / 1.31°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 1.78°
- Largest tilt hopin any 1 s at tele
- 2.51°
- Pose error, mediancommand vs camera
- 1.11°
- Largest correctionvision vs prediction
- 0.68°
- Zoom steps
- 55
Aircraft & route
- Flight
- SWA3154
- Registration
- N221WN
- Type
- Boeing 737NG 7H4/W
- Airline
- Southwest Airlines
- From
- SJC · San Jose
- To
- LGB · Long Beach
- Ground speed
- 372 kt
- Altitude at closest
- 12,700 ft
- Vertical rate
- +4,160 ft/min
- Category
- A3
- ICAO hex
- a1e6b9
Pass geometry
- Max elevation
- 46.3°
- Elevation at start → end
- 24.2° → 28.6°
- Azimuth at start → end
- 345° NNW → 200° SSW
- Closest-approach azimuth
- 277° W
- Minimum slant range
- 5.3 km
- Heading at closest
- 194° SSW
- Aspect at closest
- side-on (83°)
- Turn
- turned left 39°
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- Yes — pan pre-positioned across the stop
- Duration
- 1:23 (83.1 s)
- Lock
- 73%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14e — feedforward in head axes
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 41.5 MB · 83.0 s · offset -1.3 s
- pursuit
- velocity
- maxLeadSec
- 3
- panLatencySec
- 0.6
- tiltLatencySec
- 0.4
- rippleDeg
- 0.5
- rippleTeleDeg
- 0.25
- rateFloorDegPerDps
- 2.5
- rateFloorMaxDeg
- 12
- lockedSigmaDeg
- 0.35
- 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