Berkshire Mfg. Corp. CONCEPT 70
7 on the U.S. register. Built from 1973 to 1974; half of them date from 1973 or earlier. California has the most (2). 14% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are never named here.
About the CONCEPT 70 from the FAA's model table
- Type
- Glider · Gliders
- Power
- None
- Common engines
- None None (7)
- Seats
- 1
- Cruise speed
- about 45 mph
- Maker on the register
- Berkshire Mfg. Corp.
- Registered
- earliest certificate September 17, 1991; newest April 24, 2026
Where they are owner's state
California2Tennessee1Ohio1New York1Massachusetts1Kansas1
Who owns them registrant type
Individual6 (86%)LLC1 (14%)
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| CONCEPT 70 | 7 | 1973 to 1974 | 100.0% |
When they were built by decade · 2 with no year on file
Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far
Registration status
Valid7 (100%)
Airworthiness certificate class
Experimental7 (100%)
Biggest operators companies, schools and clubs
Grand Lake Air Ventures LLC1
Accident history NTSB records · 0 cases since 1982, 0 fatal
No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record.
Questions people ask answers refresh every morning
How many Berkshire Mfg. Corp. CONCEPT 70 aircraft are registered in the U.S.?
7 as of October 2, 2026, counting 1 version the FAA records separately.
Which state has the most Berkshire Mfg. Corp. CONCEPT 70s?
California, with 2.
Who owns the Berkshire Mfg. Corp. CONCEPT 70?
14% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are never named on this site.
Aircraft newest certificates first · 7
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N81A | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner New York |
Experimental | 2026-04-24 | Valid |
| N914RJ | Berkshire Mfg. Corp. CONCEPT 70 |
Grand Lake Air Ventures LLC Celina, Ohio |
Experimental | 2025-01-29 | Valid |
| N37CW | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner California |
Experimental | 2022-12-17 | Valid |
| N9990 | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Kansas |
Experimental | 2020-08-15 | Valid |
| N8BM | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Tennessee |
Experimental | 2020-02-26 | Valid |
| N22PM | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner California |
Experimental | 2013-06-20 | Valid |
| N382W | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Massachusetts |
Experimental | 1991-09-17 | Valid |