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Aircraft record

N20MW1975 Cessna 421B

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:1 NTSB accident (substantial damage, Sep 1995)7 ADs may apply

Registration
Valid
expires Oct 31, 2029
Based in
Dayton, OH
owner city / state
Engine
GTSIO-520-C · 340 hp
Cont Motor
Owners
1
since 2005
NTSB events
1
substantial, 1995
ADs may apply
7
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Individual owner
City, state
Dayton, OH
Certificate issued
Mar 2, 2005
Expires
Oct 31, 2029
Airworthiness
Standard · Normal
Airworthiness date
May 21, 1975

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
421B
Year
1975
Serial number
421B0918
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
A190D2

Engine

Make and model
Cont Motor Gtsio-520-C
Type
Reciprocating
Power
340 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. 2005 – nowIndividual ownerDayton, OH · current
  2. 1985 – 1992Highland Aviation INCEl Paso, TX · different airframe: Cessna 650 S/N 6500052

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Sep 7, 1995 · Albuquerque, NM

THE PILOT'S INADEQUATE COMPENSATION FOR THE CROSSWIND CONDITION. A FACTOR WAS THE CROSSWIND.

Damage
Substantial
Injuries
None
Report
FTW95LA382

From NTSB records; matched by serial number.Read NTSB report (search CAROL for FTW95LA382)

Accident history for this model

ADs published since 1998 that may apply (7)

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
2023-05-16Reciprocating Engine Power SectionMar 15, 2023Engine (GTSIO-520-C)
2020-16-11Reciprocating Cylinder SectionSep 21, 2020Engine (GTSIO-520-C)Only with: Engines originally manufactured, rebuilt, or modified with a cross-flow cylinder assembly replacement on or after November 1, 2014, with cross-flow cylinder assembly P/N 658538, 658540, 658542, 658591, 658595, 658613, 658624, 658539, 658541, 658590, 658594, 658603, 658623, or 658630 installed.
2016-17-08Elevator Tab Control SystemSep 12, 2016Airframe (421B)
2007-05-15Teledyne Continental Motors GTSIO-520 Series Reciprocating EnginesApr 16, 2007Engine (GTSIO-520-C)
2005-20-25The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411…Nov 9, 2005Airframe (421B)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.
Show all 7 ADs
ADSubjectEffectiveApplies to
2000-01-16Cessna Aircraft Company 300 and 400 Series AirplanesFeb 15, 2000Airframe (421B)
98-04-28Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414…Mar 13, 1998Airframe (421B)

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 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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