# Accident 20250902011939A: Gulfstream Aerospace G-V, Portland, OR, September 2, 2025

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: September 2, 2025, 12:49 local time
- Place: Portland, OR
- Airport: Portland International
- Damage: Substantial damage
- Phase of flight: Ground/Ramp/Ma
- Operating rules: General operating rules (Part 91)
- Location: 45.5887° N, 122.5969° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=45.5887&lon=-122.5969&mi=10
- Aircraft: N820MS, registered now (https://openairdocs.org/aircraft/N820MS) (OpenAirDocs)
- Registry model: Gulfstream Aerospace G-V (registry code 3980116, https://openairdocs.org/model/gulfstream-aerospace-g-v) (OpenAirDocs)
- Registry engine: BMW Rolls BR-700 series (registry code 09500, https://openairdocs.org/engine/bmw-rolls-br-700-series) (OpenAirDocs)
- Reported make and model: GULFSTREAM AEROSPACE G-V
- Reported engine: BMW ROLLS BR 700 SERIES
- People aboard: 3
- Fatal injuries: 0
- Other injuries: 0
- NTSB investigation: [NTSB WPR25LA273](https://openairdocs.org/ntsb/WPR25LA273) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20250902011939A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

AT APPROXIMATELY 1300 PST ON 09/02/2025 ON THE ^PRIVACY DATA OMITTED^SERVICE RAMP, ^PRIVACY DATA OMITTED^ A GULFSTREAM G-V, SN 626, AFTER STARTING THE #2 ENGINE DURING PREPARATION FOR FLIGHT THE NOSE LANDING GEAR COLLAPSED CAUSING SUBSTANTIAL DAMAGE TO THE AIRCRAFT.

THE PILOT IN COMMAND (PIC) STATED AS THEY WERE FOLLOWING THEIR CHECKLIST, AFTER STARTING THE #2 ENGINE IT WAS NOTICED THAT THERE WAS NO PRESSURE INDICATED ON THE LEFT-HAND HYDRAULIC SYSTEM. IT WAS NOTED THAT THE POWER TRANSFER UNIT (PTU) WAS IN THE OFF POSITION. WHEN THE CREW SELECTED “ON” FOR THE PTU, WAS APPROXIMATELY THE TIME WHEN THE NOSE LANDING GEAR COLLAPSED OR RETRACTED. THE PIC STATED THAT THEY FOLLOWED THE SHUT DOWN CHECKLIST SHUTTING DOWN THE #2 ENGINE AND APU. THE CREW AND PASSENGER THEN EVACUATED THE AIRCRAFT THROUGH THE BAGGAGE DOOR. NO INJURIES REPORTED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR25LA273](https://openairdocs.org/ntsb/WPR25LA273), Sep 2, 2025: Gulfstream Aerospace G-V (N820MS), Portland, OR, incident, minor damage, investigation ongoing

## Other reports on N820MS (1)

Matched to the same aircraft by N-number and date.

- [Incident 20211006014629I](https://openairdocs.org/incident/20211006014629I), Oct 6, 2021: Gulfstream Aerospace G-V (N820MS), Honolulu, HI, Minor damage. Investigation: on 10/07/2021 at approximately 1600 EST (local time), [privacy data omitted] , pilot in command, operated aircraft N820MS during which minor…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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