skylight.

VOI7711 Volaris

Airbus A321-271NX · XA-VSX · OAK → BJX

· 0:34Quality 44lost lockwrap pinnedquarteringDead-zone wrap

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
28%
First lockfrom target selected
17.1 s
Centring, medianaz / el while locked
1.17° / 2.14°
Centring, 90th pctaz / el while locked
2.03° / 2.79°
Tightest field of viewhorizontal
8.3°
Time to 8°from first lock
—
Time to tightestfrom first lock
11.1 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
0.66°
Largest correctionvision vs prediction
3.16°
Zoom steps
35

Aircraft & route

Flight
VOI7711
Registration
XA-VSX
Type
Airbus A321-271NX
Airline
Volaris
From
OAK · Oakland
To
BJX · Silao
Ground speed
354 kt
Altitude at closest
14,225 ft
Vertical rate
+2,496 ft/min
Category
A3
ICAO hex
0d0f00

Pass geometry

Max elevation
22.9°
Elevation at start → end
22.9° → 16.8°
Azimuth at start → end
211° SSW → 196° SSW
Closest-approach azimuth
211° SSW
Minimum slant range
11.2 km
Heading at closest
173° S
Aspect at closest
quartering (37°)
Turn
straight (6°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
0:34 (33.9 s)
Lock
28%

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
15.3 MB · 33.0 s · offset -0.1 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