# N126QS: 1987 Cessna S550, registration cancelled 2004-06-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 23, 2004
- Exported to: South Africa
- Status when cancelled: Valid registration
- Airframe: [Cessna S550](https://openairdocs.org/model/cessna-s550) (registry code 2076607)
- Engine: [Pratt & Whitney Canada JT15D-4 series](https://openairdocs.org/engine/pratt-whitney-canada-jt15d-4-series) (registry code 52112)
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE) (OpenAirDocs)
- Serial number: S550-0126
- Year built: 1987
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-fan
- Airworthiness: Standard, transport
- Airworthiness date: February 11, 1987
- Certificate issued: January 30, 2002
- Last registry action: January 30, 2002
- Mode S code: A06B6B
- Owner when cancelled: [Presidential Jet Inc](https://openairdocs.org/faa-owner/PRESIDENTIAL%20JET%20INC)
- Location: [Somersworth, NH](https://openairdocs.org/faa-place/NH/Somersworth)
- Owner type: Corporation
- Owner's area on the map: 43.2535° N, 70.8879° W: Placed by OpenAirDocs at the center of ZIP code 03878, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N126QS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=126QS
- Page: https://openairdocs.org/deregistered/N126QS-2004-06-23

From the FAA registry file of October 29, 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 Cessna S550: https://openairdocs.org/model/cessna-s550.md

## Service difficulty reports (4)

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

- [SDR FTU2003F00007](https://openairdocs.org/sdr/FTU2003F00007), Apr 24, 2003: VALVE. CORRODED. DURING REPLACEMENT OF PERI SEALS ON THE FORWARD SIDE OF THE ENGINE ANTI ICE SYSTEM, THE ANTI ICE VALVE HAD TO BE REMOVED. WHILE REMOVING THE ELECTRICAL CONNECTO
- [SDR 2002FA0000464](https://openairdocs.org/sdr/2002FA0000464), Apr 10, 2002: PRESSURE SWITCH. FAILED. TKS DEICE SYSTEM PRESSURE SWITCHES ARE FAILING IN THE OPEN POSTION. WHEN THE SWITCHES FAIL OPEN THEY CAN NOT ILLUMINATE THE DEICE PRESSURE FAIL LIGHTS ON THE AN
- [SDR 95ZZZX4535](https://openairdocs.org/sdr/95ZZZX4535), Aug 7, 1995: CONTROL CABLE. MISROUTED. DURING PHASE 5 INSPECTION, FOUND FLAP CONTROL CABLES CAUGHT ON CONTROL COLUMN TUBE ASSEMBLY WHERE ELEVATOR SECTOR ASSEMBLY CONNECTS. CABLES FOUND UNDAMAGED. IT 
- [SDR 95ZZZX2845](https://openairdocs.org/sdr/95ZZZX2845), May 1, 1995: COUPLING. DETACHED. CREW REPORTED HIGH OIL TEMP, LOW OIL PRESS, AND HIGH ITT. A RAPID SHIFT IN GAUGES WAS NOTED ALONG WITH AN INTERMITTENT FIRE LIGHT. UPON LANDING, RT ENGINE COWLI

## FAA accident and incident reports (3)

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.

- [Incident 19881130065619I](https://openairdocs.org/incident/19881130065619I), Nov 30, 1988: Cessna S550 (N126QS), Columbus, OH. Low oil pressure at altitude. Shut engine down. Returned. Cause not stated.
- [Incident 19880823046059I](https://openairdocs.org/incident/19880823046059I), Aug 23, 1988: Cessna S550 (N126QS), Columbus, OH. Loss of engine approaching cruise. PIC initiated shutdown procedures and diverted. Found engine had seized.
- [Incident 19880719037089I](https://openairdocs.org/incident/19880719037089I), Jul 19, 1988: Cessna 550 (N126QS), Columbus, OH. Lost cabin pressure at cruise. Requested lower altitude,returned to airport. Cause undetermined.

## Other aircraft with N126QS

- [Registered now](https://openairdocs.org/aircraft/N126QS): Bombardier BD-700-1A11, S/N 60090, built 2023

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