| N21BJ | 1973 Brown B.J SPORTSTER C/N 001Discuss this aircraft in community | 
| Manufacturer: | Brown | 
| Model: | B.J SPORTSTER Search all Brown B.J SPORTSTER | 
| Year built: | 1973 | 
| Construction Number (C/N): | 001 | 
| Aircraft Type: | Fixed wing single engine | 
| Number of Seats: | 1 | 
| Number of Engines: | 1 | 
| Engine Type: | Reciprocating | 
| Engine Manufacturer and Model: | Franklin 4AC199D&E SER | 
| Registration Number: | N21BJ | 
| Mode S (ICAO24) Code: | A1B74B | 
| Certification Class: | Experimental | 
| Certification Issued: | 1977-02-14 | 
| Air Worthiness Test: | 1977-07-19 | 
| Last Action Taken: | 2006-02-21 | 
| Current Status: | Valid | 
| Registration Type: | Partnership | 
| Address: | West Glacier, MT 59936 United States | 
| Region: | Northwest Mountain |