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Aircraft record

N6604C1978 Cessna 414A

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled May 31, 2018.

Safety record in brief:No NTSB accidents or incidents since 198210 ADs may apply7 service difficulty reports

Registration
Deregistered
Last based in
Oklahoma City, OK
owner city / state
Engine
TSIO-520 SER · 300 hp
Cont Motor
Owners
1
on record
NTSB events
None
since 1982
ADs may apply
10
confirm with A&P
Service reports
7
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Individual owner
City, state
Oklahoma City, OK
Canceled
May 31, 2018
Airworthiness
Standard · Normal
Airworthiness date
Feb 17, 1978

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
414A
Year
1978
Serial number
414A0030
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
A8B720

Engine

Make and model
Cont Motor Tsio-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. until 2018Individual ownerOklahoma City, OK

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 (0)

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

Accident history for this model

ADs published since 1998 that may apply (10)

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
2017-10-09Textron Aviation Inc. AirplanesJun 7, 2017Airframe (414A)Certain serial numbers: 402C 402C0001–402C1020; 414A 414A0001–414A1212. Only with: Equipped with Cessna Multi-Engine Service Kit SK402-47 (Original Issue, Rev A, or Rev B) or nacelle fittings P/Ns 5292029-9, -10, -11, -12, -21, -22, -23, or -24.
2016-17-08Elevator Tab Control SystemSep 12, 2016Airframe (414A)
2015-07-03Nacelles/PylonsApr 24, 2015Airframe (414A)Certain serial numbers: 402C 402C0001–402C1020; 414A 414A0001–414A1212
2012-23-01WingsDec 26, 2012Airframe (414A)Only with: Model 402C modified by STC SA927NW; Model 414A modified by STC SA892NW.
2009-16-03Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating…Sep 9, 2009Engine (TSIO-520 SER)Only with: SAP investment cast cylinder assemblies P/Ns SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P installed.
Show all 10 ADs
ADSubjectEffectiveApplies to
2005-20-25The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411…Nov 9, 2005Airframe (414A)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.
2005-12-13Cessna Aircraft Company Models 402C and 414A AirplanesJun 22, 2005Airframe (414A)
2000-01-16Cessna Aircraft Company 300 and 400 Series AirplanesFeb 15, 2000Airframe (414A)
98-24-14Cessna Aircraft Company Models 340A and 414A AirplanesDec 21, 1998Airframe (414A)Certain serial numbers: 340A 215–1817; 414A 1–1212. Only with: Equipped with any WYE tube P/N 9910299-25 or P/N 9910299-26 in the engine exhaust system.
98-04-28Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414…Mar 13, 1998Airframe (414A)

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

Service Difficulty Reports (7)

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.

  • Navigation · flux detector · shortedJul 7, 1998

    GYRO CIRCUIT BREAKER TRIPPED 6 MINUTES INTO FLIGHT. CIRCUIT BRAKER WOULD NOT RESET. DISCOVERED THE FLUX DETECTOR P/N FDO103011 HAD SHORTED INTERNALLY CAUSING THE GYRO CIRCUIT BREAKER TO TRIP. FLUX DETECTOR WAS REPLACED. AIRPLANE RETURNED TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · manifold assy · defectiveOct 8, 1997

    PILOT REPORTED THE 'HYDRAULIC PRESSURE' LIGHT WOULD NOT EXTINGUISH WHEN THE LANDING GEAR WAS RETRACTED. RED TRANSIT LIGHT EXTINGUISHED. GEAR CYCLED 5 TIMES IN THE AIR WITH NO CHANGE. AIRCRAFT RETURNED TO STATION. AIRCRAFT PLACED ON JACKS. GEAR CYCLED 5 TIMES. COULD NOT DUPLICATE DISCREPANCY.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Power plant · elbow · tornFeb 27, 1997

    PILOT REPORTED THAT THE RIGHT ENGINE WOULD NOT MAINTAIN POWER. MANIFOLD PRESSURE DECREASED DURING FLIGHT. TAKEOFF POWER OKAY ON BOTH ENGINES. DURING CLIMB, THE RIGHT ENGINE ONLY DEVELOPED 27 IN HG. IT WAS DISCOVERED THAT THE INBOARD INDUCTION ELBOW RAM P/N 1111-1, LOCATED BETWEEN THE INTERCOOLER…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 7 reports
  • Landing gear · switch · looseSep 28, 1996

    LANDING GEAR FAILED TO RETRACT. AIRCRAFT LANDED WITHOUT INCIDENT. IT WAS DISCOVERED THE WIRING HARNESS HAD TORN LOOSE FROM THE MICROSWITCH. HYD ACTUATOR WAS REPLACED. OPERATIONAL CHECK PERFORMED AND IS OKAY.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine indicating · connector plug · pins strippedMar 20, 1996

    LEFT ENGINE TACHOMETER FAILED ON TAKEOFF ROLL. PRE-INSPECTION, CONNECTOR PLUG SECURED AND SAFETIED. IT WAS DISCOVERED THE LEFT TACHOMETER GENERATOR ELECTRICAL CONNECTOR PLUG ELECTRICAL PINS HAD STRIPPED. CONNECTOR PLUG REPLACED. AIRCRAFT RETURNED TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · hose · rupturedJan 4, 1996

    HOSE ASSEMBLY P/N AE1005816G0166 LOCATED BETWEEN THE RT HYDRAULIC PUMP P/N 9910137-2 AND HYDRAULIC FILTER ASSEMBLY P/N AN6234-2 RUPTURED APPROXIMATELY 3 INCHES FROM THE HYDRAULIC PUMP. IT APPEARED THE TOP ENGINE COWLING HAD CHAFED THROUGH THE FIRE SHIELD AND STEEL BRAIDS OF THE NOSE ASSY.…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · shim · deformedJun 22, 1995

    NOSE STRUT ASSY FAILED TO EXTEND. STUCK WITH APPROXIMATELY 6 INCHES OF PISTON AREA SHOWING. STRUT ASSY WAS DISASSEMBLED AND INSPECTED FOR DAMAGE. SHIM WAS FOUND DEFORMED. IT IS BELIEVED THE SHIM BECAME WEDGED BETWEEN THE CHROME AREA OF THE PISTON AND BEARING ASSY, PN 084121101, STRUT ASSY WAS…

    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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