skylight.

SKW6001 SkyWest

Embraer EMB-175 LR · N125SY · SFO → MTY

· 1:16Quality 89side-onDead-zone wrap

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −60%). 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
70%
First lockfrom target selected
6.0 s
Centring, medianaz / el while locked
0.29° / 0.29°
Centring, 90th pctaz / el while locked
1.62° / 1.57°
Tightest field of viewhorizontal
3.8°
Time to 8°from first lock
23.9 s
Time to tightestfrom first lock
—
Time at telefield of view ≤ 5.5°
16.5 s
Jitter at teleaz / el, standard deviation
0.21° / 0.19°
Swing at teleaz / el, peak to peak
1.35° / 0.81°
Pan reversalsper 10 s at tele
0.6
Largest pan hopin any 1 s at tele
4.66°
Largest tilt hopin any 1 s at tele
1.18°
Pose error, mediancommand vs camera
1.04°
Largest correctionvision vs prediction
0.49°
Zoom steps
64

Aircraft & route

Flight
SKW6001
Registration
N125SY
Type
Embraer EMB-175 LR
Airline
SkyWest
From
SFO · San Francisco
To
MTY · Monterrey
Ground speed
293 kt
Altitude at closest
8,050 ft
Vertical rate
+2,048 ft/min
Category
A3
ICAO hex
a067ec

Pass geometry

Max elevation
41.1°
Elevation at start → end
29.3° → 18.6°
Azimuth at start → end
309° NW → 193° SSW
Closest-approach azimuth
262° W
Minimum slant range
3.8 km
Heading at closest
176° S
Aspect at closest
side-on (86°)
Turn
straight (7°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:16 (76.1 s)
Lock
70%

Build & tuning

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

Build
2026-10-14d — park, zoom guard v2, visionMiss log
Commit
181d1fa+wip
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
38.0 MB · 76.0 s · offset -1.7 s
pursuit
velocity
maxLeadSec
3
panLatencySec
0.6
tiltLatencySec
0.4
rippleDeg
0.5
rippleTeleDeg
0.25
rateFloorDegPerDps
2.5
rateFloorMaxDeg
12
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