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 not named here at this time.
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
- Built of
- aluminium
- Maker on the register
- Berkshire Mfg. Corp.
- Registered
- earliest certificate September 17, 1991; newest April 24, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 6 | 86% |
| LLC | 1 | 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% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Experimental | 7 | 100% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Grand Lake Air Ventures LLC | 1 |
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. How models compare: Accidents by model in Aviation Analytics.
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 23, 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 not named on this site at this time.
When were the Berkshire Mfg. Corp. CONCEPT 70s on the register built?
Between 1973 and 1974; half of them in 1973 or earlier.
What is the Berkshire Mfg. Corp. CONCEPT 70 made of?
The airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The FAA's type certificate data sheet is the authority for any one model.
Connections how the CONCEPT 70 links to the rest of the register
- Berkshire Mfg. Corp. 7 aircraft on the register
- Berkshire Mfg. Corp. CONCEPT 70 7 registered
- Built of aluminium
- California 2 of these aircraft
- Tennessee 1 of these aircraft
- Ohio 1 of these aircraft
- New York 1 of these aircraft
- Massachusetts 1 of these aircraft
- Grand Lake Air Ventures LLC 1 of these aircraft
- NTSB accidents and incidents involving the CONCEPT 70 0 cases since 1982 · 0 fatal
The whole map of how records connect · these connections as data: /graph/model/berkshire-mfg-corp/concept-70.json.
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 | ValidFAA registration status code V: Valid registration. All codes |
| N914RJ | Berkshire Mfg. Corp. CONCEPT 70 |
Grand Lake Air Ventures LLC Celina, Ohio |
Experimental | 2025-01-29 | ValidFAA registration status code V: Valid registration. All codes |
| N37CW | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner California |
Experimental | 2022-12-17 | ValidFAA registration status code V: Valid registration. All codes |
| N9990 | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Kansas |
Experimental | 2020-08-15 | ValidFAA registration status code V: Valid registration. All codes |
| N8BM | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Tennessee |
Experimental | 2020-02-26 | ValidFAA registration status code V: Valid registration. All codes |
| N22PM | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner California |
Experimental | 2013-06-20 | ValidFAA registration status code V: Valid registration. All codes |
| N382W | Berkshire Mfg. Corp. CONCEPT 70 |
Individual owner Massachusetts |
Experimental | 1991-09-17 | ValidFAA registration status code V: Valid registration. All codes |