SKW3341 SkyWest
Embraer EMB-175 LR · N181SY · SNA → SFO
· 0:44Quality 84nose/tail
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
- 82%
- First lockfrom target selected
- 5.7 s
- Centring, medianaz / el while locked
- 0.14° / 0.15°
- Centring, 90th pctaz / el while locked
- 0.94° / 0.32°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 6.8 s
- Time to tightestfrom first lock
- 30.3 s
- Time at telefield of view ≤ 5.5°
- 32.3 s
- Jitter at teleaz / el, standard deviation
- 0.13° / 0.16°
- Swing at teleaz / el, peak to peak
- 0.53° / 0.74°
- Pan reversalsper 10 s at tele
- 0.3
- Largest pan hopin any 1 s at tele
- 1.53°
- Largest tilt hopin any 1 s at tele
- 0.97°
- Pose error, mediancommand vs camera
- 0.51°
- Largest correctionvision vs prediction
- 1.02°
- Zoom steps
- 39
Aircraft & route
- Flight
- SKW3341
- Registration
- N181SY
- Type
- Embraer EMB-175 LR
- Airline
- SkyWest
- From
- SNA · Santa Ana
- To
- SFO · San Francisco
- Ground speed
- 316 kt
- Altitude at closest
- 12,550 ft
- Vertical rate
- -1,024 ft/min
- Category
- A3
- ICAO hex
- a1460a
Pass geometry
- Max elevation
- 48.4°
- Elevation at start → end
- 48.4° → 20.2°
- Azimuth at start → end
- 120° ESE → 144° SE
- Closest-approach azimuth
- 120° ESE
- Minimum slant range
- 5.1 km
- Heading at closest
- 146° SE
- Aspect at closest
- nose/tail (26°)
- Turn
- straight (11°)
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 0:44 (44.0 s)
- Lock
- 82%
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
- 22.0 MB · 44.0 s · offset -1.0 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