| N51Z Polar Bear | 1985 North American P-51A-1NA Mustang C/N 99-22109Discuss this aircraft in community | 
| Manufacturer: | North American | 
| Model: | P-51A-1NA Mustang Search all North American P-51A-1NA Mustang | 
| Year built: | 1985 | 
| Construction Number (C/N): | 99-22109 | 
| Aircraft Type: | Fixed wing single engine | 
| Number of Seats: | 1 | 
| Number of Engines: | 1 | 
| Engine Type: | Reciprocating | 
| Engine Manufacturer and Model: | Allison V1710 SER | 
| Registration Number: | N51Z | 
| Alternative Code/Name: | Polar Bear | 
| Mode S (ICAO24) Code: | A66155 | 
| Certification Class: | Experimental | 
| Certification Issued: | 1995-10-11 | 
| Air Worthiness Test: | 2002-05-30 | 
| Last Action Taken: | 2007-03-20 | 
| Current Status: | Valid | 
| Registration Type: | Individual | 
| Address: | Hollister, CA 95023 United States | 
| Region: | Western-Pacific |