N9990 — 1974 Berkshire Mfg. Corp. CONCEPT 70
Active registrationChecked against FAA & NTSB records · as of Jul 18, 2026
N9990 has no NTSB accident records on file. Registration data compiled from public FAA records as of Jul 18, 2026.
Aircraft record
- Serial number
- 16
- Manufacturer
- Berkshire Mfg. Corp.
- Model
- CONCEPT 70
- Year
- 1974
- Category
- Glider
- Engine
- None None
- Registration
- Active
- Registered to
- Leonard Steven E — Wichita, KS
Accident & incident history
No NTSB accident records on file.
Registration timeline
Ownership and registration events for this airframe (the 1974 Berkshire Mfg. Corp. CONCEPT 70).
- Aug 15, 2020registered — Leonard Steven E
Earlier aircraft on this N-number
The tail number N9990 was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 1974 Berkshire Mfg. Corp. CONCEPT 70 above.
- until Jul 7, 1935Travel Air 4-D (s/n 1166)
Frequently asked
- Has N9990 been in an accident?
- No NTSB accident records are on file for N9990.
- What kind of aircraft is N9990?
- N9990 is a 1974 Berkshire Mfg. Corp. CONCEPT 70 (glider), serial number 16.
- Who is N9990 registered to?
- N9990 is registered to Leonard Steven E of Wichita, KS. Registration status: active.
The full N9990 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
Instant access · no account · permanent link