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Aircraft record

N3380Q1972 Cessna 421B

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Oct 3, 2012.

Safety record in brief:2 NTSB accidents (substantial damage at worst, latest Apr 1985)4 ADs may apply2 service difficulty reports

Registration
Deregistered
Last based in
Atlanta, GA
owner city / state
Engine
GTSI0-520-F-K · 435 hp
Cont Motor
Owners
1
since 2002
NTSB events
2
substantial, 1985
ADs may apply
4
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Vagus Group INC
Owner type
Corporation
City, state
Atlanta, GA
Certificate issued
Jul 23, 2002
Canceled
Oct 3, 2012
Airworthiness
Standard · Normal
Airworthiness date
Sep 14, 1972

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
1972
Serial number
421B0264
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
A3B5EE

Engine

Make and model
Cont Motor Gtsi0-520-F-K
Type
Reciprocating
Power
435 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. 2002 – 2012Vagus Group INCAtlanta, GA

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Accident · substantial damage

Apr 19, 1985 · Amarillo, TX

THE ACFT GROUND LOOPED FOLLOWING A COLLAPSE OF THE LEFT MAIN GEAR AFTER A LANDING ROLL OF APRX 600 TO 700 FT. POST ACCIDENT INSPECTION OF THE GEAR REVEALED A BOLT HAD BACKED OUT OF THE GEAR DOWN LOCK ARM WHERE IT LOCKS OVERCENTER.

Damage
Substantial
Injuries
None
Report
FTW85LQG01

From NTSB records; matched by serial number.Read NTSB report (search CAROL for FTW85LQG01)

Accident · substantial damage

Dec 23, 1982 · Fort Payne, AL

DURING LANDING THE RIGHT MAIN LANDING GEAR SCISSORS BOLT & BUSHING PULLED THROUGH THE SCISSORS MOUNT HOLE ALLOWING THE LANDING GEAR TO ROTATE 90 DEG. AN INCORRECT WASHER (STANDARD 5/16 IN) HAD BEEN INSTALLED IN THE SCISSORS ASSEMBLY DURINGRECENT MAINTENANCE. CESSNA PARTS MANUAL CALLS FOR AN960-5/16 WASHER.

Damage
Substantial
Injuries
None
Report
ATL83FA073

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ATL83FA073)

Accident history for this model

ADs published since 1998 that may apply (4)

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 (421B)
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.
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 (2)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Reciprocating engine · piston · wrong partOct 17, 1995

    FOUND 11 OUT OF 12 CYLINDERS WITH THIS P/N PISTON WHICH IS NOT APPROVED FOR USE IN GTSIO520 ENGINES. PISTONS WERE SENT FROM ECI AS PART OF A GTSIO-520 CYLINDER ASSY. P/N 632585 CYLINDER IS DOMED WITH NO STEEL INSERT FOR THE TOP RING GROOVE. THE CORRECT PISTON FOR THE GTSIO520 ENGINE IS FLAT WITH A…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · cylinder · crackedOct 17, 1995

    FOUND THREE CYLINDERS CRACKED BETWEEN THE SPARK PLUG AND INJECTOR HOLES. SUBMITTER STATED CRACKS MAY BE CAUSED BY OVERTORQUING THE INJECTOR NOZZLES OR POSSIBLY EXCESSIVE VIBRATION.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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