N704K — Waco BSO
Active registrationChecked against FAA & NTSB records · as of Jul 29, 2026
N704K has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 29, 2026.
Aircraft record
- Serial number
- A-164
- Manufacturer
- Waco
- Model
- BSO
- Category
- Fixed wing single-engine
- Registration
- Active
- Registered to
- Hirtle Alan L — Oro Valley, AZ
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the Waco BSO).
- Mar 25, 2009registered — Hirtle Alan L
Earlier aircraft on this N-number
The tail number N704K was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the Waco BSO above.
- until Apr 29, 1948Great Lakes 2T-1A (s/n 51)
Frequently asked
- Has N704K been in an accident?
- No NTSB accident records are on file for N704K.
- What kind of aircraft is N704K?
- N704K is a Waco BSO (fixed wing single-engine), serial number A-164.
- Who is N704K registered to?
- N704K is registered to Hirtle Alan L of Oro Valley, AZ. Registration status: active.
The full N704K report
$12 $29 launch pricing
- 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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