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Aircraft record

N5943MCessna 421B

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled May 22, 2001.

Safety record in brief:1 NTSB accident (substantial damage, Jul 1999)4 ADs may apply2 service difficulty reports

Registration
Deregistered
Last based in
Blanding, UT
owner city / state
Owners
1
since 1998
NTSB events
1
substantial, 1999
ADs may apply
4
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Scenic Aviation INC
Owner type
Corporation
City, state
Blanding, UT
Certificate issued
Feb 26, 1998
Canceled
May 22, 2001

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
Serial number
421B0316
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
A7AF10

Engine

Type
Reciprocating

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

Ownership history

Ownership history from FAA records
  1. 1998 – 2001Scenic Aviation INCBlanding, UT

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 (1)

Accident · substantial damage

Jul 2, 1999 · Polacca, AZ

The pilot's inadequate preflight inspection, which failed to determine the fuel supply in each fuel tank, and his mismanagement of the fuel supply, which resulted in fuel starvation.

Damage
Substantial
Injuries
Minor
Report
LAX99LA240

From NTSB records; matched by N-number.Read NTSB report (search CAROL for LAX99LA240)

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 · pin · looseJun 18, 1999

    THE IDLER GEAR SUPPORT PIN WAS FOUND LOOSE AND BACKED OUT OF THE CRANKCASE CAUSING THE IDLER GEAR TO BE OUT OF POSITION DISCONNECTING THE DRIVE TRAIN TO THE MAGNETOS WHICH CAUSED AN IMMEDIATE TOTAL LOSS OF POWER. THERE WAS ALSO EXTENSIVE DAMAGE TO THE TEETH ON THE CRANKSHAFT GEAR, STARTER-DRIVE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine fuel and control · tube · failedMar 1, 1998

    A FUEL DISCHARGE TUBE ASSY FROM THE FUEL MANIFOLD VALVE TO THE NR 2 CYLINDER FUEL INJECTOR NOZZLE WAS FOUND BROKEN AT THE BALL END FITTING INSIDE OF THE BRASS RETAINING NUT ON THE FUEL MANIFOLD END. SUBMITTER STATED NO OBVIOUS CAUSE OF FAILURE, HOWEVER, AGE FATIGUE, AND/OR VIBRATION MAY BE FACTORS.

    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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