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N3968G

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1977 Cessna 421C · Continental GTSI0-520-F-K

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Registered owner
Watkins Aviation LLC
Location
Golden Valley, MN
Owner type
LLC
Serial number
421C0422
Year built
1977
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
November 23, 1977
Certificate issued
May 18, 2021
Expires
May 31, 2028
Mode S code
A49C8A
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 N3968GMatched 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 19940120008569ITakeoff Ground Roll · Cincinnati, OHNarrative: at the beginning of the take-off roll on runway 24 at Blue ash airport, everything appeared normal. As the aircraft was rolling forward and accelerating the throttles were simultaneously being advanced (as usual). The right turbocharger then surged…Jan 20, 1994 · 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 9FDR202104010001Selector Valve · misinstalledWHEN PERFORMING TEST OF ALTERNATE STATIC SYSTEM, THE INSTRUMENTS WOULD NOT SHOW A CLIMB OR DESCENT. THE AIR DATA TEST SET BEHAVED AS THOUGH THERE WAS A MASSIVE STATIC LEAK OR DISCONNECTED LINE. WHEN THE TEST SET WAS CONNECTED TO THE STATIC PORTS ON THE FUSELApr 1, 2021 · N3968G · Cessna 421C · Pitot/Static SystemSDR 95ZZZX4480Ring Pack · wornRIGHT MAIN STRUT LEAKING HYDRAULIC FLUID. DISASSEMBLED STRUT AND FOUND RING PACK SUPPORT INNER BEARING MATERIAL LOOSE, WORN AND TORN. REPLACED RING PACK SUPPORT AND O-RINGS. NORMAL WEAR AND POSSIBLE ROUGH GEAR HANDLING.May 22, 1995 · N3968G · Cessna 421C · Main Landing Gear Strut/Axle/Truck

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