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N421MD
CESSNA 421C
TERRY, MT
Valid
Mfr Year: 1978
Own This Aircraft? Claim & List For Sale
Registrant
BOSS CONTRACT SERVICES LLC
Registration Exp
Jul 31, 2033
Airworthiness Date
May 23, 1999
Cert Issue Date
Jul 28, 2026
Seats
8
Engines
2
Cruise Speed
90 kts
Max Weight
CLASS 1
Engine
CONT MOTOR GTSIO-520 SER · 300 HP
Aircraft Type
Fixed wing multi engine
Fractional
No
Last Activity
Jul 28, 2026

🛠️ Airworthiness Directive Exposure & Fleet Context

This CESSNA 421C airframe/engine combination has 55 current type-applicable Airworthiness Directives (35 airframe, 27 engine) and 7 historical. AD applicability is type-based — compliance status for N421MD must be verified against the aircraft maintenance logbooks.

Search FAA DRS for applicable ADs →  ·  Full AD list for N421MD →
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N421MD is one of 566 CESSNA 421C aircraft on the U.S. registry · fleet median year 1978.

⚠️ NTSB Accident & Incident Records

No NTSB accident or incident records found for N421MD in the NTSB aviation accident database.

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External Research Links

Airworthiness Directives (ADs)
Search FAA DRS for ADs — filter by Model: 421C
Search FAA DRS →
Title & Lien History
Bills of sale, liens & security agreements — search N421MD (free FAA account)
Open FAA CARES →
NTSB Full Database
Deep search NTSB CAROL — enter N421MD in Registration Number
Open NTSB CAROL →
Aviation Weather
METAR, TAF, winds aloft & radar — official FAA weather service
Check Weather →
FAA Registry (Official)
Official FAA record for N421MD — authoritative government source
Open FAA Registry →

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Data sourced from FAA Aircraft Registry · Updated daily · Look up another N-Number