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Aircraft record

N556UP1983 Swearingen SA227-AT

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 20, 2025.

Safety record in brief:1 NTSB accident (substantial damage, Jan 2002)No ADs since 1998 matched8 service difficulty reports

Registration
Deregistered
Last based in
Boca Raton, FL
owner city / state
Engine
TPE331 SERIES · 904 hp
Airesearch
Owners
1
since 2007
NTSB events
1
substantial, 2002
ADs may apply
0
confirm with A&P
Service reports
8
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Uas Transervices INC
Owner type
Corporation
City, state
Boca Raton, FL
Certificate issued
May 1, 2007
Canceled
Aug 20, 2025
Airworthiness
Standard · Normal
Airworthiness date
Sep 29, 1983

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
Swearingen
Model
SA227-AT
Year
1983
Serial number
AT-556
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
12
Engines
2
Max takeoff weight
12,500 - 19,999 lb
Mode S code
A71785

Engine

Make and model
Airesearch Tpe331 Series
Type
Turbo-prop
Power
904 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. 2007 – 2025Uas Transervices INCBoca Raton, FL

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Jan 8, 2002 · Covington, KY

the tug driver's inadequate visual lookout which resulted in his failure to see the airplane in time to prevent the collision.

Damage
Substantial
Injuries
Minor
Report
NYC02LA047

From NTSB records; matched by serial number.Read NTSB report (search CAROL for NYC02LA047)

Accident history for this model

ADs published since 1998 that may apply (0)

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.

No ADs published since 1998 matched this airframe or engine model.

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

Service Difficulty Reports (8)

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.

  • Engine · engine · making metalFeb 15, 2019

    MAINTENANCE DISCREPANCY: THE PILOT REPORTED WHILE IN CRUISE FLIGHT THAT THE L\H ENGINE CHIP DETECTOR LIGHT ILLUMINATED. THE PILOT FOLLOWING PROCEDURES PERFORMED AN IN-FLIGHT SHUT DOWN OF THE LEFT ENGINE. THEN THE PILOT DECLARED AND EMERGENCY AND REQUESTED TO RETURN TO THE DEPARTURE AIRPORT. THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · actuator · failedAug 15, 2017

    THE PILOT REPORTED DURING CRUISE, THAT BOTH HYDRAULIC PRESSURE WARNING LIGHTS ILLUMINATED, FOLLOWED BY HYDRAULIC PRESSURE BEGINNING TO FLUCTUATE. THE PILOT DECLARED AN EMERGENCY AND MANUALLY EXTENDED THE LANDING GEAR AND PERFORMED A ZERO FLAPS LANDING WITHOUT INCIDENT. MAINTENANCE INSPECTED THE…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · hydraulic line · crackedApr 13, 2015

    DURING DESCENT, BOTH LT & RT HYD PRESS ANNUNCIATORS ILLUMINATED. THE INDICATION WAS BACKED UP BY THE HYD PRESS GAUGE INDICATING 0 PSI. DUE TO THE LOSS OF HYD POWER & WEATHER CONDITIONS THE ACFT WAS DIVERTED. PERFORMED A MANUAL EXTENSION OF THE LG & LANDED WITHOUT INCIDENT. INSPECTION REVEALED A…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 8 reports
  • Hydraulic power · hydraulic line · leakingDec 17, 2014

    THE PILOT REPORTED THAT BOTH LT & RT HYD FAILURE LIGHTS ILLUMINATED, WHILE THE HYD PRESS GAUGE WAS FLUCTUATING. UNABLE TO EXTEND THE FLAPS PAST THE ¼ POSITION. WHEN THE PILOT PUT THE GEAR HANDLE TO THE DOWN POSITION THE LG DID NOT EXTEND & THE HYD SYS PRESS GAUGE INDICATED ZERO. THE PILOT…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · hydraulic line · puncturedSep 1, 2014

    DURING APPROACH PILOT NOTICED A LOSS OF HYD PRESS. PILOT PERFORMED EMER CHECKLIST PROCEDURE ITEMS & MANUALLY EXTENDED LG. PILOT LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED A PIN HOLE IN THE FLAP UP LINE AT HYD POWER PACK. REPLACED THE FLAP UP HYD LINE, PERFORMED LEAK & OPERATIONAL…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Hydraulic power · hydraulic line · leakingJul 23, 2014

    DURING CLIMB OUT PILOT NOTICED A DROP IN HYD PRESS ON GAUGE NEAR ZERO, ALSO NOTICED BOTH HYD FAIL ANNUNCIATOR LIGHT ILLUMINATED. PILOT DECIDED TO RETURN, PILOT PERFORMED EMER CHECKLIST ITEM THAT INCLUDED MANUALLY EXTENDING LG. PILOT LANDED WITHOUT FURTHER INCIDENT. TROUBLESHOOTING REVEALED A PIN…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · coalescer bag · contaminatedOct 30, 2013

    DURING CLIMBOUT CROSSING 7,000 MSL, PILOT NOTICE A LIGHT HAZE ACROSS AVIONICS. PILOT TURNED ON INTERIOR LIGHTS AND NOTICED A HAZE VAPOR FROM THE COCKPIT TO THE REAR CARGO BAYS. PILOT ISOLATED THE ISSUE BY TURNING OFF THE RADAR AND BLEED AIR SYSTEM. RETURNED TO DEPARTURE. MAINTENANCE PERFORMED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Nacelles and pylons · cap · wornMay 1, 2002

    ENGINE CONTROL CABLE RUBBED THRU ON THE 90 DEGREES ANGLE FLANGE BY THE TOP OF THE LEFT NACELLE INBOARD SIDE. THIS CAP IS PART OF MAIN STRUCTURE OF THE NACELLE. FOUND AFTER UPPER NACELLE SKIN WAS REMOVED FOR REPAIR OF THE NACELLE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

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

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