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SKW4100 SkyWest

Embraer EMB-175 LR · N246SY

· 0:19Quality 73side-on

3D replay

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
76%
First lockfrom target selected
5.2 s
Centring, medianaz / el while locked
2.63° / 0.56°
Centring, 90th pctaz / el while locked
3.95° / 1.09°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
—
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
1.2 s
Jitter at teleaz / el, standard deviation
—
Swing at teleaz / el, peak to peak
—
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
—
Largest tilt hopin any 1 s at tele
—
Pose error, mediancommand vs camera
2.32°
Largest correctionvision vs prediction
0.74°
Zoom steps
11

Aircraft & route

Flight
SKW4100
Registration
N246SY
Type
Embraer EMB-175 LR
Airline
SkyWest
From
—
To
—
Ground speed
351 kt
Altitude at closest
12,700 ft
Vertical rate
-1,344 ft/min
Category
A3
ICAO hex
a247f0

Pass geometry

Max elevation
72.1°
Elevation at start → end
64.5° → 58.5°
Azimuth at start → end
2° N → 108° ESE
Closest-approach azimuth
47° NE
Minimum slant range
4.1 km
Heading at closest
140° SE
Aspect at closest
side-on (88°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:19 (18.9 s)
Lock
76%

Build & tuning

The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.

Build
2026-10-12i — focus jumps only to trusted tele points; rate-steered setpoint; bias learned only when still
Commit
68739f5+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
8.3 MB · 17.0 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