| Tail Number / N-Number | N1851B |
| Manufacturer | BALONY KUBICEK SPOL SRO |
| Model | BB37Z |
| Manufacturer's Serial Number | 1852 |
| Aircraft Type | Balloon |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 0 engines |
| Type of Registrant | LLC |
| Owner Name | BLAIR VENTURES LLC |
| Street | 2832 FRAZER RD |
| City | NEWARK |
| State | DE |
| Zip Code | 19702-4530 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-07-19 |
| Last Action Date | 2021-07-19 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 50252674 |
| Mode S Code Hex | A155BC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1851B.
| Tail Number / N-Number | N1851B |
| Manufacturer | LUSCOMBE |
| Model | T-8F |
| Year Built | 1948 |
| Manufacturer's Serial Number | 6278 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | C90 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 95 hp (71 kW) |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SHEAFFER RALPH J |
| Street | 161 SAUSAL DR |
| City | PORTOLA VALLEY |
| State | CA |
| Zip Code | 94025 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1966-09-22 |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-07-09 |