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DAL1715 Delta Air Lines

Boeing 737NG 832/W · N3756 · SFO → ?

· 1:31Quality 85lost lockside-on

3D replay

Software-steadied: the hops of the camera motor are smoothed out (plane wobble −70%). 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
86%
First lockfrom target selected
8.3 s
Centring, medianaz / el while locked
0.18° / 0.15°
Centring, 90th pctaz / el while locked
0.63° / 0.52°
Tightest field of viewhorizontal
3.4°
Time to 8°from first lock
5.2 s
Time to tightestfrom first lock
61.9 s
Time at telefield of view ≤ 5.5°
54.1 s
Jitter at teleaz / el, standard deviation
0.23° / 0.21°
Swing at teleaz / el, peak to peak
1.68° / 1.52°
Pan reversalsper 10 s at tele
0.4
Largest pan hopin any 1 s at tele
4.62°
Largest tilt hopin any 1 s at tele
4.31°
Pose error, mediancommand vs camera
0.97°
Largest correctionvision vs prediction
1.25°
Zoom steps
46

Aircraft & route

Flight
DAL1715
Registration
N3756
Type
Boeing 737NG 832/W
Airline
Delta Air Lines
From
SFO
To
—
Ground speed
275 kt
Altitude at closest
6,450 ft
Vertical rate
+3,392 ft/min
Category
A3
ICAO hex
a44988

Pass geometry

Max elevation
47.5°
Elevation at start → end
20.3° → 17.9°
Azimuth at start → end
328° NNW → 185° S
Closest-approach azimuth
255° WSW
Minimum slant range
2.7 km
Heading at closest
174° S
Aspect at closest
side-on (81°)
Turn
straight (2°)
Departure
Yes — climbing out after take-off
Zenith pass
No
Dead-zone wrap
No
Duration
1:31 (90.6 s)
Lock
86%

Build & tuning

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

Build
2026-10-16g — A/B lockFirst (mount prior on)
Commit
9bdc356
Node
v22.22.2
Camera
TONGVEO 20x PTZ · 1920×1080 @ 30 fps
Clip
45.5 MB · 91.0 s · offset -1.7 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
-0.1
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