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VOS4323 Volaris El Salvador

Airbus A320 271NSL · N546VL

· 0:58Quality 81quartering

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −79%). 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
62%
First lockfrom target selected
11.9 s
Centring, medianaz / el while locked
0.18° / 0.17°
Centring, 90th pctaz / el while locked
0.40° / 0.43°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
4.3 s
Time to tightestfrom first lock
33.9 s
Time at telefield of view ≤ 5.5°
26.8 s
Jitter at teleaz / el, standard deviation
0.22° / 0.24°
Swing at teleaz / el, peak to peak
0.83° / 1.02°
Pan reversalsper 10 s at tele
0.8
Largest pan hopin any 1 s at tele
1.74°
Largest tilt hopin any 1 s at tele
1.49°
Pose error, mediancommand vs camera
0.39°
Largest correctionvision vs prediction
0.45°
Zoom steps
21

Aircraft & route

Flight
VOS4323
Registration
N546VL
Type
Airbus A320 271NSL
Airline
Volaris El Salvador
From
—
To
—
Ground speed
369 kt
Altitude at closest
11,525 ft
Vertical rate
+1,728 ft/min
Category
A3
ICAO hex
a6f01c

Pass geometry

Max elevation
33.1°
Elevation at start → end
33.1° → 14.5°
Azimuth at start → end
187° S → 150° SSE
Closest-approach azimuth
187° S
Minimum slant range
6.5 km
Heading at closest
147° SSE
Aspect at closest
quartering (39°)
Turn
straight (14°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:58 (57.6 s)
Lock
62%

Build & tuning

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

Build
2026-10-14g — vision expected spot at frame time, departure pre-zoom, focus from profile, damped lead learner
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
29.0 MB · 58.0 s · offset -1.6 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
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