N9990 - 1974 Berkshire Mfg. Corp. Concept 70 Aircraft Registration

1974 BERKSHIRE MFG. CORP. CONCEPT 70

Aircraft Description

N9990 is a 1974 Berkshire Mfg. Corp. CONCEPT 70, a none aircraft registered to Leonard Steven E in Wichita, KS. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on May 24, 1979. The registration certificate was issued on August 15, 2020. The registration is set to expire on August 31, 2027. Powered by a None NONE engine, N9990 is. The aircraft's Mode S transponder code is ADF66A (hex), used for ADS-B identification and flight tracking. N9990 was last tracked by AviatorDB at coordinates 36.2091, -115.1940 on January 16, 2025. The FAA registry record for N9990 was last updated on March 10, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Berkshire Mfg. Corp. is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 7 Berkshire Mfg. Corp. aircraft currently registered in the FAA database, including the CONCEPT 70 model.

AviatorDB has found no NTSB accident or incident reports involving N9990. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.

Model Year
1974
Manufacturer
BERKSHIRE MFG. CORP.
Model
CONCEPT 70
Type Aircraft
Glider
Cruise Speed
45 mph
Weight Class
Up to 12,500 lbs
Airworthiness Date
May 24, 1979
Classification
Experimental 2 Category
Type Registration
Individual
Status
Valid Registration
Cert Issue Date
August 15, 2020

Registered Owner

Name
LEONARD STEVEN E
Address
11117 W WESTLAWN ST
City
WICHITA
State / Zip Code
Kansas67212-6411
Country
United States

Powerplant & Avionics

Engine Type
None
Number of Engines
Engine Manufacturer
NONE
Engine Model
NONE
Mode S Code (Oct)
53373152
Mode S Code (Hex)
ADF66A

Additional Details

Registration
N9990
Serial Number
16
Number of Engines
Number of Seats
1
Expiration Date
August 31, 2027
Last Action Date
March 10, 2023
Last Update Date
January 19, 2026
Unique ID
00453460

Last Known Position

Date
January 16, 2025 (UTC 22:54:01)
Airport
Latitude
36.209074
Longitude
-115.193982

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-15 01:32:20 UTC