SKW5938 SkyWest
Embraer EMB-175 LR · N140SY · FCA → SFO
· 0:30Quality 85side-on
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −82%). Download
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
- 84%
- First lockfrom target selected
- 5.1 s
- Centring, medianaz / el while locked
- 0.53° / 0.19°
- Centring, 90th pctaz / el while locked
- 1.38° / 0.56°
- Tightest field of viewhorizontal
- 4.1°
- Time to 8°from first lock
- 4.9 s
- Time to tightestfrom first lock
- 8.0 s
- Time at telefield of view ≤ 5.5°
- 11.1 s
- Jitter at teleaz / el, standard deviation
- 0.58° / 0.15°
- Swing at teleaz / el, peak to peak
- 1.63° / 0.63°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 2.44°
- Largest tilt hopin any 1 s at tele
- 0.53°
- Pose error, mediancommand vs camera
- 0.71°
- Largest correctionvision vs prediction
- 0.60°
- Zoom steps
- 14
Aircraft & route
- Flight
- SKW5938
- Registration
- N140SY
- Type
- Embraer EMB-175 LR
- Airline
- SkyWest
- From
- FCA · Kalispell
- To
- SFO · San Francisco
- Ground speed
- 258 kt
- Altitude at closest
- 11,225 ft
- Vertical rate
- 0 ft/min
- Category
- A3
- ICAO hex
- a0a457
Pass geometry
- Max elevation
- 30.8°
- Elevation at start → end
- 24.7° → 30.8°
- Azimuth at start → end
- 345° NNW → 17° NNE
- Closest-approach azimuth
- 17° NNE
- Minimum slant range
- 6.7 km
- Heading at closest
- 115° ESE
- Aspect at closest
- side-on (81°)
- Turn
- straight (0°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:30 (30.1 s)
- Lock
- 84%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-13g — debanding (archive s2 + live shader)
- Commit
- 181d1fa+wip
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 15.0 MB · 30.0 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