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Aircraft record

N21SS1978 Cessna 421C

Registration validUnclaimedSource: FAA, updated Oct 16, 2026

Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply

Registration
Valid
expires Feb 29, 2032
Based in
Bellefontaine, OH
owner city / state
Engine
GTSIO-520 SER · 300 hp
Cont Motor
Owners
1
since 2025
NTSB events
None
since 1982
ADs may apply
5
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 16, 2026
Registered owner
Co-owners
City, state
Bellefontaine, OH
Certificate issued
Feb 18, 2025
Expires
Feb 29, 2032
Airworthiness
Standard · Normal
Airworthiness date
Jun 2, 1998

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Cessna
Model
421C
Year
1978
Serial number
421C0473
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
8
Engines
2
Max takeoff weight
Up to 12,499 lb
Mode S code
A1B8CA

Engine

Make and model
Cont Motor Gtsio-520 Ser
Type
Reciprocating
Power
300 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2025 – nowCo-ownersBellefontaine, OH · current
  2. 1989 – 1995Individual ownerCordova, TN · different airframe: Raven S-50a S/N S50a236

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (5)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2016-17-08Elevator Tab Control SystemSep 12, 2016Airframe (421C)
2007-05-15Teledyne Continental Motors GTSIO-520 Series Reciprocating EnginesApr 16, 2007Engine (GTSIO-520 SER)
2005-20-25The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411…Nov 9, 2005Airframe (421C)Certain serial numbers: 401 655; 401 401-0001–401-0322; 401A 655; 401A 401A0001–401A0132; 401B 401B0001–401B0221; 402 402-0001–402-0322; …. Only with: Equipped with an avionics bus circuit breaker switch P/N CM3589-50, 593-250-101, 593-250-102, W31-X2M5A-50, or W31-X1000-50.
2000-01-16Cessna Aircraft Company 300 and 400 Series AirplanesFeb 15, 2000Airframe (421C)
98-04-28Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414…Mar 13, 1998Airframe (421C)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 16, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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