| Tail Number / N-Number | N31AS |
| Manufacturer | DJI |
| Model | PHANTOM 4 PRO+ |
| Manufacturer's Serial Number | 0AXCE9R0B30018 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 0 seats |
| Weight Class | CLASS 4 (UAV up to 55 pounds gross take off weight) |
| Number of Engines | 4 engines |
| Type of Registrant | Individual |
| Owner Name | GEHRISCH PHILIP A |
| Street | 7460 MILLS RD |
| City | OSTRANDER |
| State | OH |
| Zip Code | 43061-9336 |
| Region | Great Lakes |
| County | Delaware County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2018-04-12 |
| Last Action Date | 2021-01-11 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50642211 |
| Mode S Code Hex | A34489 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N31AS.
| Tail Number / N-Number | N31AS |
| Manufacturer | CESSNA |
| Model | 421B |
| Year Built | 1973 |
| Manufacturer's Serial Number | 421B0473 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | GTSIO-520-C |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 340 hp (254 kW) |
| Total Horsepower | 680 hp (507 kW) |
| Average Cruising Speed | 172 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | OHARA FLYING SERVICE II LP |
| Street | 10001 AMERICAN DR |
| City | AMARILLO |
| State | TX |
| Zip Code | 79111-1213 |
| County | Delaware County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1973-09-12 |
| Certificate Issue Date | 2007-01-24 |
| Last Action Date | 2009-09-23 |
| Last Status | Valid Registration |
| Cancellation Date | 2011-06-01 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N31AS.
| Tail Number / N-Number | N31AS |
| Manufacturer | AEROSPATIALE |
| Model | AS350 B2 ECUREUIL |
| Manufacturer's Serial Number | 2689 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | M & B AIRCRAFT LLC |
| Street | 7861 E KEMPER RD |
| City | CINCINNATI |
| State | OH |
| Zip Code | 45249-1622 |
| County | Delaware County |
| Country | US |
| Certificate Issue Date | 2006-02-09 |
| Last Action Date | 2006-02-09 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-04-07 |
| Exported To | KOREA REP OF (S) |