Gulfstream Aerospace G-IV N926TT accident near Sioux City, Iowa, June 17, 2023
Gulfstream Aerospace G-IV, registration N926TT, operated by Planet Nine Private Air, was involved in an incident near Sioux City, Iowa on June 17, 2023. The NTSB lists the highest injury level as none. Case ENG23LA030 is completed.
ADS-B receivers recorded 153 minutes of the flight after departing the Philadelphia Intl area (KPHL), reaching a maximum of 40,400 ft. The last recorded position was at 16:17 UTC, at 9,650 ft and 268 knots, descending at 2,432 feet per minute, about 20 km from Vermillion/Davidson Fld (KVMR).
The nearest weather report, from KSUX (47 km away), showed wind 180° at 3 knots, visibility 6 miles or more, ceiling 5,500 ft, weather: HZ (VFR conditions).
The aircraft is a Gulfstream Aerospace GIV SP registered in United States (Mode S ACD62F).
This page reconstructs the flight from public ADS-B data for information only. The NTSB report is the authority on what happened and why.
Key facts
- Date
- June 17, 2023
- Location
- Sioux City, Iowa
- Aircraft
- Gulfstream Aerospace G-IV
- Registration
- N926TT
- Operator
- Planet Nine Private Air
- Injuries
- None
- NTSB case
- ENG23LA030 (Completed)
- Departure area
- Philadelphia Intl (KPHL)
- Nearest airport
- Vermillion/Davidson Fld (KVMR)
- Recorded flight
- 153 min, max 40,400 ft
- Last recorded position
- 16:17 UTC, 9,650 ft, 268 kt
3D flight replay
Replay the recorded flight in 3D with the weather, light and terrain at the time, flight instruments reconstructed from the aircraft's ADS-B transmissions, and automatically detected events.
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Sources: NTSB case ENG23LA030; ADS-B flight data from adsb.lol (ODbL); weather from NOAA / Iowa Environmental Mesonet and Open-Meteo.