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SKW5577 SkyWest

Embraer EMB-175 LL · N618UX

· 0:47Quality 76side-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −80%). 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
65%
First lockfrom target selected
6.1 s
Centring, medianaz / el while locked
0.32° / 0.15°
Centring, 90th pctaz / el while locked
1.58° / 1.48°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
10.8 s
Time to tightestfrom first lock
24.9 s
Time at telefield of view ≤ 5.5°
7.0 s
Jitter at teleaz / el, standard deviation
0.25° / 0.09°
Swing at teleaz / el, peak to peak
0.79° / 0.27°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
2.45°
Largest tilt hopin any 1 s at tele
0.52°
Pose error, mediancommand vs camera
0.96°
Largest correctionvision vs prediction
1.13°
Zoom steps
46

Aircraft & route

Flight
SKW5577
Registration
N618UX
Type
Embraer EMB-175 LL
Airline
SkyWest
From
—
To
—
Ground speed
318 kt
Altitude at closest
11,100 ft
Vertical rate
-128 ft/min
Category
A3
ICAO hex
a80e4e

Pass geometry

Max elevation
28.8°
Elevation at start → end
21.3° → 27.7°
Azimuth at start → end
341° NNW → 40° NE
Closest-approach azimuth
24° NNE
Minimum slant range
7.0 km
Heading at closest
116° ESE
Aspect at closest
side-on (88°)
Turn
straight (0°)
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
0:47 (47.1 s)
Lock
65%

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
24.0 MB · 48.0 s · offset -1.8 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