N64491 — 1973 Hartmaier THORP T-18
Active registrationChecked against FAA & NTSB records · as of Jul 25, 2026
N64491 has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 25, 2026.
Aircraft record
- Serial number
- 573
- Manufacturer
- Hartmaier
- Model
- THORP T-18
- Year
- 1973
- Category
- Fixed wing single-engine
- Registration
- Active
- Registered to
- Hartmaier Robert S Jr — Monroe Township, NJ
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 1973 Hartmaier THORP T-18).
- Aug 13, 1982registered — Hartmaier Robert S Jr
Earlier aircraft on this N-number
The tail number N64491 was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 1973 Hartmaier THORP T-18 above.
- until May 2, 1951Cessna T-50 (s/n 4721)
Frequently asked
- Has N64491 been in an accident?
- No NTSB accident records are on file for N64491.
- What kind of aircraft is N64491?
- N64491 is a 1973 Hartmaier THORP T-18 (fixed wing single-engine), serial number 573.
- Who is N64491 registered to?
- N64491 is registered to Hartmaier Robert S Jr of Monroe Township, NJ. Registration status: active.
The full N64491 report
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- Full NTSB investigation narratives — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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