UAL1749 United
Boeing 737-8 · N37353 · SFO → OGG
· 1:13Quality 75lost locknose/tail
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −73%). Download
Trace
Where the aircraft sat in the frame, second by second. Click the chart to jump the video there.
—FOV —az —el —pose —
Loading telemetry…
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
- 49%
- First lockfrom target selected
- 22.6 s
- Centring, medianaz / el while locked
- 0.30° / 0.85°
- Centring, 90th pctaz / el while locked
- 4.48° / 4.55°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 24.3 s
- Time to tightestfrom first lock
- 35.3 s
- Time at telefield of view ≤ 5.5°
- 18.5 s
- Jitter at teleaz / el, standard deviation
- 0.29° / 0.15°
- Swing at teleaz / el, peak to peak
- 1.21° / 0.60°
- Pan reversalsper 10 s at tele
- 4.3
- Largest pan hopin any 1 s at tele
- 0.92°
- Largest tilt hopin any 1 s at tele
- 1.07°
- Pose error, mediancommand vs camera
- 1.01°
- Largest correctionvision vs prediction
- 3.17°
- Zoom steps
- 93
Aircraft & route
- Flight
- UAL1749
- Registration
- N37353
- Type
- Boeing 737-8 (B38M)
- Airline
- United
- From
- SFO · San Francisco
- To
- OGG · Kahului
- Ground speed
- 191 kt
- Altitude at closest
- 1,050 ft
- Vertical rate
- +1,792 ft/min
- Category
- A3
- ICAO hex
- a44213
Pass geometry
- Max elevation
- 87.0°
- Elevation at start → end
- 0.1° → 12.1°
- Azimuth at start → end
- 116° ESE → 298° WNW
- Closest-approach azimuth
- 40° NE
- Minimum slant range
- 342 m
- Heading at closest
- 296° WNW
- Aspect at closest
- nose/tail (2°)
- Turn
- straight (0°)
- Departure
- Yes — climbing out after take-off
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 1:13 (73.1 s)
- Lock
- 49%
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
- 36.5 MB · 73.0 s · offset -1.2 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
- -0.11
- 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