N16AS V

This aircraft — FAA registration facts

N16AS is a 1973 Cessna 421B (serial 421B0317), registered to Stefenelli Aviation N Tr Inc Trustee (corporation) in Attersee. Its FAA registration is recorded as v and expires January 2030; the airworthiness certificate dates from July 2020 (6 years ago). It carries 2 Cont Motor GTSIO-520-H engines rated at 375 hp each (750 hp total), the engine on 4% of registered Cessna 421Bs. Its Mode-S transponder broadcasts the ICAO 24-bit address A0EF66. It is one of 225 Cessna 421B aircraft on the FAA registry. Stefenelli Aviation N Tr Inc Trustee holds 5 aircraft on the registry.

Registered owner

Stefenelli Aviation N Tr Inc Trustee

Owner type

Corporation

Based in

Attersee AT

Serial number

421B0317

Year built

1973 · 53 yrs old

Airworthiness class

Standard – Normal

FAA status

V

Mode-S / ICAO24

A0EF66 · 50167546 octal

Certificate issued

Jan 13, 2020

Airworthiness date

Jul 4, 2020

Last FAA activity

Sep 30, 2023

Registration expires

Jan 31, 2030

FAA region

8

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine

Cont Motor GTSIO-520-H

Engine type

Reciprocating (Piston)

Rated power

375 hp × 2 (750 hp total)

Power per seat

94 hp

FAA engine code

17048

9 of the 214 registered Cessna 421B carry this engine (4%), across 13 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Runway requirement (estimate)

A Cessna 421B needs roughly 4,500 ft of runway for takeoff at sea level (takeoff distance ~3,900 ft plus a 15% safety margin). Check it against a destination airport →

Planning estimate for takeoff only — excludes landing distance, wind, density altitude, and contamination. Verify against the aircraft's POH/AFM.

Community facts about N16AS

Reported by pilots, owners and enthusiasts — community-reported and admin-checked before they publish. Always verify anything important against the aircraft's records.