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SKW5440 SkyWest

Embraer EMB-175 LR · N86371 · SFO → ?

· 1:34Quality 69low zoomside-onDead-zone wrap

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −45%). Download

Trace

Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.

—FOV —az —el —pose —
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
74%
First lockfrom target selected
6.5 s
Centring, medianaz / el while locked
0.38° / 0.28°
Centring, 90th pctaz / el while locked
3.18° / 1.09°
Tightest field of viewhorizontal
10.8°
Time to 8°from first lock
—
Time to tightestfrom first lock
0.0 s
Time at telefield of view ≤ 5.5°
0.0 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
—
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
1.01°
Largest correctionvision vs prediction
1.51°
Zoom steps
4

Aircraft & route

Flight
SKW5440
Registration
N86371
Type
Embraer EMB-175 LR
Airline
SkyWest
From
SFO
To
—
Ground speed
276 kt
Altitude at closest
7,800 ft
Vertical rate
+2,624 ft/min
Category
A3
ICAO hex
abdd63

Pass geometry

Max elevation
46.9°
Elevation at start → end
19.7° → 18.5°
Azimuth at start → end
341° NNW → 205° SSW
Closest-approach azimuth
274° W
Minimum slant range
3.3 km
Heading at closest
189° S
Aspect at closest
side-on (85°)
Turn
straight (14°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:34 (93.8 s)
Lock
74%

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
41.4 MB · 86.5 s · offset -0.9 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