N120PC1979 Cessna 402C
Safety record in brief:No NTSB accidents or incidents since 19829 ADs may apply17 service difficulty reports
Registration
FAA Aircraft Registry · Oct 17, 2026- Registered owner
- Hyannis Air Service INC DBA
- Owner type
- Corporation
- City, state
- Hyannis, MA
- Certificate issued
- Oct 24, 2018
- Expires
- Oct 31, 2028
- Airworthiness
- Standard · Normal
- Airworthiness date
- May 29, 1979
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 dataAirframe
- Manufacturer
- Cessna
- Model
- 402C
- Year
- 1979
- Serial number
- 402C0079
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 10
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Mode S code
- A054FA
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- 2018 – nowHyannis Air Service INC DBAHyannis, MA · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (9)
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.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2017-10-09 | Textron Aviation Inc. Airplanes | Jun 7, 2017 | Airframe (402C)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. |
| 2016-17-08 | Elevator Tab Control System | Sep 12, 2016 | Airframe (402C) |
| 2015-07-03 | Nacelles/Pylons | Apr 24, 2015 | Airframe (402C)Certain serial numbers: 402C 402C0001–402C1020; 414A 414A0001–414A1212 |
| 2012-23-01 | Wings | Dec 26, 2012 | Airframe (402C)Only with: Model 402C modified by STC SA927NW; Model 414A modified by STC SA892NW. |
| 2009-16-03 | Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating… | Sep 9, 2009 | Engine (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 9 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2005-20-25 | The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411… | Nov 9, 2005 | Airframe (402C)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. |
| 2005-12-13 | Cessna Aircraft Company Models 402C and 414A Airplanes | Jun 22, 2005 | Airframe (402C) |
| 2000-01-16 | Cessna Aircraft Company 300 and 400 Series Airplanes | Feb 15, 2000 | Airframe (402C) |
| 98-04-28 | Cessna Aircraft Company Models T303, 310R, T310R, 335, 340A, 402B, 402C, 404, F406, 414… | Mar 13, 1998 | Airframe (402C) |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (17)
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.
- Fuselage · fitting · crackedJul 1, 2022
WHILE PERFORMING THE LIGHTED BORESCOPE PROCEDURE AS OUTLINED IN TEXTRON MEL-54-02 R2 TO SATISFY AD2017-10-19, A CRACK WAS IDENTIFIED ON THE OUTBOARD SIDE OF THE LEFT HAND OUTBOARD FITTING. THIS CRACK MEASURES .129 IN LENGTH, AND IT'S LOCATION IS CONSISTENT WITH OTHER FOUND USING THIS SAME METHOD.…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Wings · fitting · corrodedJul 31, 2019
DURING MAINTENANCE, TWO AREAS OF CORROSION WERE DISCOVERED ON THE HORIZONTAL FLANGE OF THE UPPER LEFT HAND AFT WING FITTING (P/N 0822550-45.) THESE AREAS OF CORROSION MEASURED .750 BY .250 WITH A DEPTH OF .042, AND .400 BY .250 WITH A DEPTH OF .031. THIS FITTING WILL BE REMOVED AND REPLACED WITH A…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Reciprocating engine · exhaust valve · damagedOct 10, 2016
CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Reciprocating engine · exhaust valve · damagedAug 14, 2016
CYLINDER REMOVED DUE TO LOW COMPRESSION AT INSPECTION; EXHAUST VALVE DISPLAYS EVIDENCE OF HEAT DAMAGE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Air conditioning and pressurization · fan · malfunctionedDec 28, 2014
THE LT ANNUNCIATOR INTERMITTENT & AN ELEC SMELL IN CABIN. INSPECTED, R & R LT ALTERNATOR OUT SENSOR IAW MM CH 34-30-0. OPERATIONS CHECKED GOOD. THE SMELL WAS DETERMINED TO BE THE CABIN VENT FAN WHICH WAS PLACED ON MEL. NO FURTHER DEFECTS NOTED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Hydraulic power · sight tube · splitMay 14, 2014
PILOT REPORTED AFTER DEPARTURE FROM MAZ & DURING TRANSITION FROM CLIMB TO CRUISE SMOKE & FUMES WERE DETECTED COMING FROM DEFROST VENT. PILOT CLOSED DEFROST, RAM AIR & CABIN AIR VENT VLVS. UPON CLOSING CABIN VENTILATION VLVS, PILOT REPORTS SMOKE & FUMES NO LONGER ENTERING CABIN. PILOT RETURNED TO…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuselage · spar · crackedSep 10, 2012
DURING REGULARLY SCHEDULED MX INSPECTION, DAMAGE WAS NOTED TO THE AFT CARRY THROUGH SPAR ASSY UPPER FORWARD AND AFT WEB FLANGES. FLANGES WERE FOUND TO BE CRACKED AT FLOOR SUPPORT MOUNT LOCATIONS. OPEN
From FAA Service Difficulty Reports; matched by N-number and serial number. - Wings · spar · corrodedSep 10, 2012
DURING A REGULARLY SCHEDULED MX, DAMAGE WAS DISCOVERED TO THE RT SPAR STRAP. DAMAGE WAS A MISDRILL AND INTERGRANULAR CORROSION. BASED ON THE DAMAGE NOTED, REMOVED DAMAGED PART AND INSTALLED NEW PART.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Wings · spar · damagedMay 16, 2012
DURING A SCHEDULED MX EVENT, IT WAS NOTED THAT THE RT SPAR STRAP HAD PREVIOUSLY SUSTAINED DAMAGE. UPON NOTING THIS DISCREPANCY, A WO WAS SUBMITTED TO MRO FOR REMOVAL AND REPLACEMENT OF THE RT SPAR STRAP. THE ACFT IS GROUNDED AWAITING THE REQUIRED REPAIRS.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · indication sys · inaccurateMar 19, 2012
DURING CRUISE, LEFT ENGINE STARTED TO LOOSE POWER. PILOT NOTICED LT FUEL FLOW LOWER THAN 70 LBS MIN AND DECREASING. PILOT SWITCHED THE LT AUX FUEL PUMP TO HIGH AND ENGINE RAN NORMAL. AFTER 30 SECONDS, THE FUEL FLOW STARTED TO DECREASE AGAIN. THE ENGINE BECAME INOPERABLE AND WAS UNABLE TO START.…
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 17 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026