| Tail Number / N-Number | N21H |
| Manufacturer | CESSNA |
| Model | 680 |
| Year Built | 2012 |
| Manufacturer's Serial Number | 680-0335 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 9 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PW306C |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 6,040 pounds-force (26.9 kN) |
| Total Thrust | 12,080 pounds-force (53.7 kN) |
| Type of Registrant | LLC |
| Owner Name | 21H LEASING LLC |
| Street | 1776 MONTANO RD NW |
| City | LOS RANCHOS |
| State | NM |
| Zip Code | 87107-3245 |
| Region | Southwestern |
| County | Bernalillo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2019-01-24 |
| Certificate Issue Date | 2019-01-11 |
| Last Action Date | 2021-08-09 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 50333730 |
| Mode S Code Hex | A1B7D8 |
Deregistered Aircraft 1 of 4. This aircraft was previously assigned the N-number N21H.
| Tail Number / N-Number | N21H |
| Manufacturer | HITCHCOCK HAROLD JAMES |
| Model | CHRISTEN EAGLE II |
| Year Built | 1999 |
| Manufacturer's Serial Number | HITCHCOCK-001 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | RED EAGLE II LLC |
| Street | 211 ROY RD |
| City | SHARPSBURG |
| State | GA |
| Zip Code | 30277-2584 |
| County | Bernalillo County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2003-03-14 |
| Certificate Issue Date | 2011-04-22 |
| Last Action Date | 2011-04-22 |
| Last Status | Third Notice for Registration Renewal |
| Cancellation Date | 2015-01-08 |
Deregistered Aircraft 2 of 4. This aircraft was previously assigned the N-number N21H.
| Tail Number / N-Number | N21H |
| Manufacturer | SMITH MINIPLANE |
| Model | DSA-1 |
| Manufacturer's Serial Number | 384015A |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | NAVAN WILLIAM J JR |
| Street | 181C RT 14 |
| City | STERLING |
| State | CT |
| Zip Code | 06377 |
| County | Bernalillo County |
| Country | US |
| Certificate Issue Date | 1988-08-09 |
| Last Action Date | 1991-07-25 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1991-08-21 |
Deregistered Aircraft 3 of 4. This aircraft was previously assigned the N-number N21H.
| Tail Number / N-Number | N21H |
| Manufacturer | BELL |
| Model | 47B |
| Manufacturer's Serial Number | 16 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 78 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | RICK HELICOPTERS INC |
| Street | 13440 S CENTRAL AVE |
| City | LOS ANGELES |
| State | CA |
| Zip Code | 90001 |
| Region | Western-Pacific |
| County | Bernalillo County |
| Certificate Issue Date | 1948-06-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1962-11-01 |
Deregistered Aircraft 4 of 4. This aircraft was previously assigned the N-number N21H.
| Tail Number / N-Number | N21H |
| Manufacturer | CURTISS WRIGHT |
| Model | ROBIN C-1 |
| Manufacturer's Serial Number | 390 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Corporation |
| County | Bernalillo County |
| Last Status | Valid Registration |
| Cancellation Date | 1929-11-01 |