# N556UP: 1983 Swearingen SA227-AT, registration cancelled 2025-08-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 20, 2025
- Status when cancelled: Valid registration
- Airframe: [Swearingen SA227-AT](https://openairdocs.org/model/swearingen-sa227-at) (registry code 8780610)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514)
- Data sheets: [TCDS A5SW](https://openairdocs.org/tcds/A5SW) (OpenAirDocs)
- Serial number: AT-556
- Year built: 1983
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: September 29, 1983
- Certificate issued: May 1, 2007
- Last registry action: October 20, 2023
- Mode S code: A71785
- Owner when cancelled: [Uas Transervices Inc](https://openairdocs.org/faa-owner/UAS%20TRANSERVICES%20INC)
- Location: [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton)
- Owner type: Corporation
- Owner's area on the map: 26.3746° N, 80.1066° W: Placed by OpenAirDocs at the center of ZIP code 33431, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N556UP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=556UP
- Page: https://openairdocs.org/deregistered/N556UP-2025-08-20

From the FAA registry file of November 3, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Swearingen SA227-AT: https://openairdocs.org/model/swearingen-sa227-at.md

## Service difficulty reports (8)

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

- [SDR JIKA201902201501](https://openairdocs.org/sdr/JIKA201902201501), Feb 15, 2019: ENGINE. MAKING METAL. MAINTENANCE DISCREPANCY: THE PILOT REPORTED WHILE IN CRUISE FLIGHT THAT THE L\H ENGINE CHIP DETECTOR LIGHT ILLUMINATED. THE PILOT FOLLOWING PROCEDURES PERFORMED
- [SDR JIKA2017081501](https://openairdocs.org/sdr/JIKA2017081501), Aug 15, 2017: ACTUATOR. FAILED. THE PILOT REPORTED DURING CRUISE, THAT BOTH HYDRAULIC PRESSURE WARNING LIGHTS ILLUMINATED, FOLLOWED BY HYDRAULIC PRESSURE BEGINNING TO FLUCTUATE. THE PILOT DECL
- [SDR JIKA2015041301](https://openairdocs.org/sdr/JIKA2015041301), Apr 13, 2015: HYDRAULIC LINE. CRACKED. 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 PO
- [SDR JIKA2014121701](https://openairdocs.org/sdr/JIKA2014121701), Dec 17, 2014: HYDRAULIC LINE. LEAKING. 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. 
- [SDR JIKA2014090101](https://openairdocs.org/sdr/JIKA2014090101), Sep 1, 2014: HYDRAULIC LINE. PUNCTURED. DURING APPROACH PILOT NOTICED A LOSS OF HYD PRESS. PILOT PERFORMED EMER CHECKLIST PROCEDURE ITEMS & MANUALLY EXTENDED LG. PILOT LANDED WITHOUT FURTHER INCIDENT.
- [SDR JIKA2014072301](https://openairdocs.org/sdr/JIKA2014072301), Jul 23, 2014: HYDRAULIC LINE. LEAKING. 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 
- [SDR JIKA2013103001](https://openairdocs.org/sdr/JIKA2013103001), Oct 30, 2013: COALESCER BAG. CONTAMINATED. 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 
- [SDR JIK2002F00000](https://openairdocs.org/sdr/JIK2002F00000), May 1, 2002: CAP. WORN. 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. 

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC02LA047](https://openairdocs.org/ntsb/NYC02LA047), Jan 8, 2002: Swearingen SA-227-AT (N556UP), Covington, KY, substantial damage. Probable cause: the tug driver's inadequate visual lookout which resulted in his failure to see the airplane in time to prevent the collision.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20020108000109A](https://openairdocs.org/incident/20020108000109A), Jan 8, 2002: Swrngn SA227AT (N556UP), Covington/Cinci, KY, No damage. (-23) The aircraft was taxiing eastbound on cvg delta ramp between spot 2C and spot 3 on the north line between concourse a and b. the aircraft was approaching…
- [Incident 19881213066149I](https://openairdocs.org/incident/19881213066149I), Dec 13, 1988: Swrngn SA227AT (N556UP), Grand Forks, ND, Minor damage. Aborted takeoff on rotation because aircraft did not feel right. Veered left. Struck runway light no malfunction.

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