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N421WT

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1978 Cessna 421C · Continental GTSI0-520-F-K

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Registered owner
West One Holdings Inc
Location
Cheyenne, WY
Owner type
Corporation
Serial number
421C0620
Year built
1978
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
December 19, 1978
Certificate issued
August 10, 2022
Expires
August 31, 2029
Mode S code
A5015C
Cessna 421CAirframe model · 8 seats · 2 engines · 496 registeredTCDS A7CEAirframe · Cessna 421CEngine modelContinental GTSI0-520-F-K

From the FAA registry file of October 24, 2026.

On this page

Airworthiness directives that may apply · 33

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1972In forceSuperseded2026
See all 36 ADs

Information bulletins that may apply · 10

Advisory, not mandatory.

Historical bulletins · 2
SAIB CE-14-11Landing Gear; Nose Landing Gear TrunnionsIssued Feb 25, 2014SAIB CE-11-29Flight Control SystemIssued Apr 22, 2011

NTSB investigations

No NTSB investigations matched to N421WTMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Cessna 421C aircraft

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Incident 20190213010199ITaxi · Panama City, FLDuring taxi the pilot attempted to turn right into the FBO ramp but lost steering, aircraft made an immediate hard left turn into the grass causing the nose gear to collapse.Feb 13, 2019 · Minor damage

Service difficulty reports · 2

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR GYW2005F00000Block · destroyedWHILE PERFORMING THE MAGNETO 500 HOUR INSPECTION, BRASS SHAVINGS WERE FOUND INSIDE THE MAGNETO HOUSING. FURTHER INVESTIGATION RVEALED EXCESSIVE (ROCKING) IN DISTRIBUTOR GEAR IN BLOCK CAUSED BY CENTER BEARING BEING LOOSE IN BLOCK. LOOSENESS AND PLAY ALLOWED GJul 28, 2005 · N421WT · Cessna 421C · Magneto/DistributorSDR 99ZZZX2645Sight Gauge · splitHYDRAULIC LEAK IN NOSE COMPARTMENT. INSPECTION REVEALED RESERVOIR SIGHT TUBE SPLIT AT TOP AND BOTTOM ATTACH TO RESERVOIR. TUBE WAS PURCHASED NEW AND INSTALLED APPROXIMATELY 50 HOURS BEFORE. TUBE ALSO REPLACED ON SECOND AIRCRAFT, SN 421C0236. INSPECTION REVJul 5, 1999 · N421WT · Cessna 421C · Hydraulic Reservoir, Main

STCs that may be installed · 258

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 258 STCs