| Tail Number / N-Number | N3831 |
| Manufacturer | EUROCOPTER |
| Model | AS 350 B3 |
| Year Built | 2005 |
| Manufacturer's Serial Number | 3947 |
| 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) |
| Engine Manufacturer | TURBOMECA |
| Engine Model | ARRIEL 2B1 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 747 hp (557 kW) |
| Type of Registrant | Corporation |
| Owner Name | AIR METHODS CORP |
| Street | 5500 S QUEBEC ST STE 300 |
| City | GREENWOOD VILLAGE |
| State | CO |
| Zip Code | 80111-1914 |
| Region | Northwest Mountain |
| County | Arapahoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2016-05-09 |
| Certificate Issue Date | 2014-07-10 |
| Last Action Date | 2020-02-14 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 51064352 |
| Mode S Code Hex | A468EA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3831.
| Tail Number / N-Number | N3831 |
| Manufacturer | BABCOCK-SHARP |
| Model | WINDJIMMER I |
| Year Built | 1968 |
| Manufacturer's Serial Number | 001 |
| 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 | 85 miles per hour |
| Type of Registrant | Individual |
| Owner Name | DIDONNA JOHN A |
| Street | 913 SHARIAN ST. |
| City | BRODERICK |
| State | CA |
| Zip Code | 95605 |
| Region | Western-Pacific |
| County | Arapahoe County |
| Certificate Issue Date | 1974-07-07 |
| Last Status | Valid Registration |
| Cancellation Date | 1976-05-20 |