Registered owner
Hyannis Air Service Inc
Location
Hyannis, MA
Owner type
Corporation
Serial number
402C0606
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Standard, normal
Airworthiness date
January 18, 1995
Certificate issued
July 9, 2013
Expires
July 31, 2029
Mode S code
A26DFB

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Continental TSIO-520 model are included below.

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Airworthiness directives that may apply · 79

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

1969In forceSuperseded2026
ADs by the year they took effect: 85 ADs
19691
19701
19711
19722
19751
19762
19771
19792
19804
19812
19821
19841
19851
19872
19884
19892
19903
19911
19921
19933
19952
19961
19971
19985
19992
20003
20041
20055
20072
20081
20092
20102
20112
20123
20141
20151
20163
20171
20182
20201
20222
20236
See all 95 ADs

Information bulletins that may apply · 24

Advisory, not mandatory.

See all 25 bulletins

NTSB investigations

No NTSB investigations matched to N256CAMatched 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 402C aircraft

FAA incident reports

No FAA accident or incident reports matched to N256CAMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Cessna 402C aircraft

Service difficulty reports · 8

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

SDR HYIA20240718001Trunnion · crackedDURING MAINTENANCE A CRACK WAS DISCOVERED ON THE RIGHT MAIN GEAR TRUNNION BARREL ABOVE THE ACTUATOR ATTACH POINT. UNIT WAS REPLACED WITH NO FURTHER DEFECTS.Jul 11, 2024 · N256CA · Cessna 402C · Fuselage, Landing Gear Attach FittingsSDR HYIA20240524002Nut · excess playUPON REMOVAL OF AN ALTERNATOR, THE HUB NUT WAS FOUND TO BE LOOSE, ALLOWING THE THRUST WASHER TO ROTATE BY HAND. THE COTTER PIN REMAINED IN PLACE. THE UNIT WAS REMOVED FROM SERVICE PENDING FURTHER INVESTIGATION.May 20, 2024 · N256CA · Cessna 402C · DC Generating SystemSDR HYIA20180831001Oil System · low pressurePILOT REPORTED IN CRUISE, BOTH ENGINES LOST OIL PRESSURE AND STARTED TO RUN ROUGH. NO LEAKS WERE NOTED, BUT LOW OIL LEVELS WERE NOTED ON BOTH SIDES OIL DIPSTICKS. ENGINES ARE BEING REPLACED.Aug 24, 2018 · N256CA · Cessna 402C · Engine (Reciprocating)SDR HYIA20180430001Exhaust Valve · brokenPILOT REPORTED IN CLIMB POWER, AIRCRAFT YAWED AND SEVERE ENGINE VIBRATION ENSUED. UPON INSPECTION MAINTENANCE FOUND THE CYLINDER TO HAVE ZERO COMPRESSION AND THE EXHAUST VALVE BROKEN AT THE STEM. THE CYLINDER WAS REPLACED WITH NO FURTHER DEFECTS NOTED.Apr 27, 2018 · N256CA · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20170712001Exhaust Valve · brokenPILOT REPORTED RIGHT ENGINE ROUGH AND VIBRATION IN FLIGHT. UPON INSPECTION MX DISCOVERED THE NR 4 EXHAUST VALVE TO BE BROKEN.Jul 10, 2017 · N256CA · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20161108191Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Oct 30, 2016 · N256CA · Cessna 402C · Reciprocating Engine Cylinder SectionSDR HYIA20160913149Exhaust Valve · damagedCYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.Sep 23, 2016 · N256CA · Cessna 402C · Reciprocating Engine Cylinder SectionSDR 8PCR20151001002Nut · fracturedDURING ROUTINE INSPECTION, A THRU-BOLT NUT, TWELVE POINT PN 652541, WAS FOUND FRACTURED & LAYING IN THE BOTTOM OF THE ENG COWLING. THERE WERE NO SIGNS OF CORROSION ON THE NUT. THE ENG WAS REMOVED TO BE DISASSEMBLED, INSPECTED & OVERHAULED. THE NUT WAS RETUROct 1, 2015 · N256CA · Cessna 402C · Reciprocating Engine Power Section

STCs that may be installed · 321

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

See all 321 STCs

Earlier aircraft with this N-number · 1

This aircraft carried N256CA before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.