skylight.

VOI1771 Volaris

Airbus A320 271NSL · XA-VRU · OAK → GDL

· 1:25Quality 78side-onturned left 18°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −56%). 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
89%
First lockfrom target selected
9.3 s
Centring, medianaz / el while locked
0.13° / 0.11°
Centring, 90th pctaz / el while locked
0.43° / 0.36°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
4.7 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
60.2 s
Jitter at teleaz / el, standard deviation
0.16° / 0.15°
Swing at teleaz / el, peak to peak
1.01° / 0.93°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.49°
Largest tilt hopin any 1 s at tele
1.63°
Pose error, mediancommand vs camera
1.20°
Largest correctionvision vs prediction
1.41°
Zoom steps
49

Aircraft & route

Flight
VOI1771
Registration
XA-VRU
Type
Airbus A320 271NSL
Airline
Volaris
From
OAK · Oakland
To
GDL · Guadalajara
Ground speed
295 kt
Altitude at closest
10,900 ft
Vertical rate
+1,088 ft/min
Category
A3
ICAO hex
0d0d27

Pass geometry

Max elevation
53.3°
Elevation at start → end
37.9° → 19.1°
Azimuth at start → end
316° NW → 184° S
Closest-approach azimuth
265° W
Minimum slant range
4.2 km
Heading at closest
175° S
Aspect at closest
side-on (90°)
Turn
turned left 18°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:25 (84.6 s)
Lock
89%

Build & tuning

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

Build
2026-10-16i — lock-first on; shadow silhouette sky-masked
Commit
5610684
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
3.7 MB · 85.0 s · offset -1.1 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
sigmaGrowthDps
0.1
aimLeadSec
-0.19
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