skylight.

AAL2105 American Airlines

Airbus A321neo · N468AN · SFO → ?

· 0:53Quality 86side-onturned left 28°

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
79%
First lockfrom target selected
8.4 s
Centring, medianaz / el while locked
0.52° / 0.34°
Centring, 90th pctaz / el while locked
2.38° / 0.83°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
9.1 s
Time to tightestfrom first lock
11.3 s
Time at telefield of view ≤ 5.5°
19.2 s
Jitter at teleaz / el, standard deviation
0.62° / 0.43°
Swing at teleaz / el, peak to peak
2.33° / 1.63°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.92°
Largest tilt hopin any 1 s at tele
3.16°
Pose error, mediancommand vs camera
1.29°
Largest correctionvision vs prediction
1.15°
Zoom steps
31

Aircraft & route

Flight
AAL2105
Registration
N468AN
Type
Airbus A321neo
Airline
American Airlines
From
SFO
To
—
Ground speed
296 kt
Altitude at closest
8,200 ft
Vertical rate
+2,752 ft/min
Category
A3
ICAO hex
a5b760

Pass geometry

Max elevation
35.6°
Elevation at start → end
18.0° → 31.1°
Azimuth at start → end
323° NW → 224° SW
Closest-approach azimuth
255° WSW
Minimum slant range
4.3 km
Heading at closest
174° S
Aspect at closest
side-on (81°)
Turn
turned left 28°
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
0:53 (53.4 s)
Lock
79%

Build & tuning

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

Build
2026-10-14f — camera profile, head-axes control, speed floor, park from profile, learned lead
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
27.0 MB · 54.0 s · offset -1.9 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