skylight.

FFT3382 Frontier

Airbus A320 251NSL · N376FR · SFO → SAN

· 1:04Quality 82side-onDead-zone wrap

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −69%). 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
65%
First lockfrom target selected
4.8 s
Centring, medianaz / el while locked
0.81° / 0.30°
Centring, 90th pctaz / el while locked
1.70° / 1.03°
Tightest field of viewhorizontal
4.1°
Time to 8°from first lock
3.7 s
Time to tightestfrom first lock
6.1 s
Time at telefield of view ≤ 5.5°
17.0 s
Jitter at teleaz / el, standard deviation
0.90° / 0.26°
Swing at teleaz / el, peak to peak
2.43° / 1.15°
Pan reversalsper 10 s at tele
0.0
Largest pan hopin any 1 s at tele
4.06°
Largest tilt hopin any 1 s at tele
1.75°
Pose error, mediancommand vs camera
1.58°
Largest correctionvision vs prediction
1.08°
Zoom steps
61

Aircraft & route

Flight
FFT3382
Registration
N376FR
Type
Airbus A320 251NSL
Airline
Frontier
From
SFO · San Francisco
To
SAN · San Diego
Ground speed
326 kt
Altitude at closest
10,900 ft
Vertical rate
+1,408 ft/min
Category
A3
ICAO hex
a44aa2

Pass geometry

Max elevation
35.6°
Elevation at start → end
28.9° → 23.6°
Azimuth at start → end
305° NW → 213° SSW
Closest-approach azimuth
266° W
Minimum slant range
5.7 km
Heading at closest
182° S
Aspect at closest
side-on (85°)
Turn
straight (0°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
Yes — pan pre-positioned across the stop
Duration
1:04 (63.7 s)
Lock
65%

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
32.0 MB · 64.0 s · offset -1.8 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