DAL442 Delta Air Lines
Boeing 737-9GPER · N952DZ
· 2:55Quality 90lost lockside-onturned right 22°
Software-steadied: the hops of the camera motor are smoothed out (plane wobble −79%). 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
- 78%
- First lockfrom target selected
- 17.0 s
- Centring, medianaz / el while locked
- 0.13° / 0.16°
- Centring, 90th pctaz / el while locked
- 0.38° / 0.37°
- Tightest field of viewhorizontal
- 3.4°
- Time to 8°from first lock
- 15.4 s
- Time to tightestfrom first lock
- 121.1 s
- Time at telefield of view ≤ 5.5°
- 91.7 s
- Jitter at teleaz / el, standard deviation
- 0.24° / 0.20°
- Swing at teleaz / el, peak to peak
- 1.37° / 1.12°
- Pan reversalsper 10 s at tele
- 0.0
- Largest pan hopin any 1 s at tele
- 5.40°
- Largest tilt hopin any 1 s at tele
- 2.02°
- Pose error, mediancommand vs camera
- 0.64°
- Largest correctionvision vs prediction
- 1.40°
- Zoom steps
- 57
Aircraft & route
- Flight
- DAL442
- Registration
- N952DZ
- Type
- Boeing 737-9GPER
- Airline
- Delta Air Lines
- From
- —
- To
- —
- Ground speed
- 259 kt
- Altitude at closest
- 11,350 ft
- Vertical rate
- -640 ft/min
- Category
- A3
- ICAO hex
- ad3c78
Pass geometry
- Max elevation
- 69.6°
- Elevation at start → end
- 17.7° → 12.8°
- Azimuth at start → end
- 326° NNW → 143° SE
- Closest-approach azimuth
- 50° NE
- Minimum slant range
- 3.7 km
- Heading at closest
- 140° SE
- Aspect at closest
- side-on (90°)
- Turn
- turned right 22°
- Departure
- No
- Zenith pass
- No
- Dead-zone wrap
- No
- Duration
- 2:55 (175.2 s)
- Lock
- 78%
Build & tuning
The tracker build that flew this pass and the live settings that mattered, so passes can be compared across changes.
- Build
- 2026-10-14m — upstream carries fields missing from one poll
- Commit
- 5b2d779
- Node
- v22.22.2
- Camera
- TONGVEO 20x PTZ · 1920×1080 @ 30 fps
- Clip
- 88.0 MB · 176.0 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
- -0.16
- 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