FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026
N421MD — Cessna 421C
Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.
Registration
Registrant
CLEAR BLUE SKY AVIATION LLC
Registrant Type
LLC
Location
BOZEMAN, MT
Status
Registration Valid
Certificate Issued
Sep 4, 2018
Airworthiness Date
May 23, 1999
Registration Expires
Sep 30, 2028
Last Action
Jun 10, 2023
Aircraft
Serial Number
421C0516
Year Manufactured
1978
Aircraft Type
Fixed Wing Multi Engine
Certification
Standard (+1 flag)
Engine
CONT MOTOR GTSIO-520 SER
Engines / Seats
2 / 8
Weight Class
CLASS 1
Mode S (Hex)
A5006D
Type History
Cessna 421C type page → — 501 registered · 74 NTSB records · 49 airworthiness directives
Live position via ICAO24 A5006D
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