N831GR
Built 1988 · registered US
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Type photo — not this specific aircraftPhoto via Wikipedia: Thorp T-18No T-18listed for sale right now. Watch this model and we'll surface new listings as they hit the market.
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Flight activity
(9 tracking legs recorded)- Last 30 days
- 2
- Last 90 days
- 8
- Last seen
- 5 Nov 2026
- Tracked since
- 19 May 2026
Frequent routes: KVGT → KVGT (6) · KVGT → KINS (1)
- KVGT → KVGT5 Nov 2026 · 3h 43m
- KVGT → KVGT17 Oct 2026 · 7h 17m
- … → KVGT4 Oct 2026 · 0h 41m
- KVGT → KVGT4 Oct 2026 · 0h 42m
- KVGT → KVGT25 Sept 2026 · 2h 49m
- KVGT → KVGT23 Sept 2026 · 4h 12m
- KVGT → KINS19 May 2026 · 0h 12m
Showing the 7 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.
From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.
Common. More common than 88% of the aircraft models we track.
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—Registration history
(1)- N831GRUSACTIVEGRAHN JAMES A1999 – present
Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal
What aircraft model is N831GR?
N831GR is a Thorp T-18, built in 1988. Sprinkle's record for N831GR covers its lineage, ownership history and specifications.
Is N831GR currently active?
Registry records list N831GR's status as Active, registered in United States — a Thorp T-18.
What is the manufacturer serial number (MSN) of N831GR?
N831GR carries manufacturer serial number (MSN) 831, the serial assigned to this Thorp T-18 airframe when it was built.
What is the ICAO24 / Mode S code for N831GR?
N831GR's ICAO24 (Mode S) transponder code is AB5CB7 — the hex address the Mode S transponder on this Thorp T-18 broadcasts.




