skylight.

EIN961 Aer Lingus

Airbus A330 202 · EI-DAA · DUB → SFO

· 2:17Quality 76lost lockside-onturned right 17°

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −68%). 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
61%
First lockfrom target selected
9.5 s
Centring, medianaz / el while locked
0.60° / 0.25°
Centring, 90th pctaz / el while locked
2.02° / 0.71°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
6.1 s
Time to tightestfrom first lock
12.7 s
Time at telefield of view ≤ 5.5°
56.6 s
Jitter at teleaz / el, standard deviation
0.75° / 0.34°
Swing at teleaz / el, peak to peak
3.27° / 1.61°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
5.76°
Largest tilt hopin any 1 s at tele
1.70°
Pose error, mediancommand vs camera
0.63°
Largest correctionvision vs prediction
3.57°
Zoom steps
86

Aircraft & route

Flight
EIN961
Registration
EI-DAA
Type
Airbus A330 202
Airline
Aer Lingus
From
DUB · Dublin
To
SFO · San Francisco
Ground speed
265 kt
Altitude at closest
11,375 ft
Vertical rate
+64 ft/min
Category
A5
ICAO hex
4ca15e

Pass geometry

Max elevation
70.4°
Elevation at start → end
19.6° → 19.8°
Azimuth at start → end
327° NNW → 138° SE
Closest-approach azimuth
49° NE
Minimum slant range
3.7 km
Heading at closest
140° SE
Aspect at closest
side-on (90°)
Turn
turned right 17°
Departure
No
Zenith pass
No
Dead-zone wrap
No
Duration
2:17 (136.6 s)
Lock
61%

Build & tuning

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

Build
2026-10-14i — zoom sigma grows after lock loss (0.1°/s)
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
68.0 MB · 136.0 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
0.59
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