# N866TA: Convair/Hamilton CONVAIR 640, registration cancelled 2009-01-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 16, 2009
- Status when cancelled: Triennial form not returned
- Airframe: [Convair/Hamilton CONVAIR 640](https://openairdocs.org/model/convair-hamilton-convair-640) (registry code 2422811)
- Engine: [Rolls-Royce DART-542 series](https://openairdocs.org/engine/rolls-royce-dart-542-series) (registry code 54522)
- Data sheets: [TCDS E5EU](https://openairdocs.org/tcds/E5EU) (OpenAirDocs)
- Serial number: 283
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: January 16, 1986
- Certificate issued: August 4, 2004
- Last registry action: August 21, 2007
- Mode S code: ABE6CB
- Owner when cancelled: [Frellum LLC](https://openairdocs.org/faa-owner/FRELLUM%20LLC)
- Location: [Darien, CT](https://openairdocs.org/faa-place/CT/Darien)
- Owner type: Corporation
- Owner's area on the map: 41.0762° N, 73.4801° W: Placed by OpenAirDocs at the center of ZIP code 06820, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N866TA
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=866TA
- Page: https://openairdocs.org/deregistered/N866TA-2009-01-16

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 Convair/Hamilton CONVAIR 640: https://openairdocs.org/model/convair-hamilton-convair-640.md

## Service difficulty reports (5)

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

- [SDR 866060702](https://openairdocs.org/sdr/866060702), Jun 6, 2002: SELECTOR VALVE. LEAKING. NOSE LANDING GEAR WOULD NOT EXTEND AND LOCK IN THE DOWN POSITION. NOSE GEAR OPERATED NORMALLY AFTER SEVERAL CYCLES. JACKED AIRCRAFT AND INSPECTED NOSE LANDING G
- [SDR JRA2002F00004](https://openairdocs.org/sdr/JRA2002F00004), May 10, 2002: RELAY. INTERMITTENT. CLEANED RELAY WITH BRAKE AND ELECTRIC MOTOR CLEANER, LET SET FOR 5 MINUTES AND APPLIED LIGHT AIR PRESSURE. WHEN SYSTEM WAS RE-ENERGIZED, RELAY IGNITED. USED CAB
- [SDR GAIA9757](https://openairdocs.org/sdr/GAIA9757), Oct 23, 1997: SQUAT SWITCH. FAILED. KHA - FLT 267 - CUU TO ELP - ON APPROACH FOR LANDING AT ELP THE FLIGHT CRWE COULD NOT SELECT GEAR DOWN. ABNORMAL PROCEDURES WERE FOLLOWED AND THE GEAR WAS EXTEN
- [SDR GAIA9703](https://openairdocs.org/sdr/GAIA9703), Feb 27, 1997: ACC GEAR BOX. LOW OIL. FLT 269 - ON SHORT FINAL INTO EL PASO, LEFT GEAR BOX LOW OIL PRESSURE WARNING LIGHT ILLUMINATED INTERMITTENTLY FOLLOWED BY A STEADY ILLUMINATION. AT THIS TIME T
- [SDR GAIA955A](https://openairdocs.org/sdr/GAIA955A), Mar 4, 1995: ACCESS GEAR BOX. LEAKING. FLT 123 - PILOT NOTED NR 1 ENGINE OIL PRESSURE DROPPING TWO PSI EVERY TEN MINUTES UNTIL OIL PRESSURE WARNING LIGHT ILLUMINATED AT 9 PSI, AT THIS TIME THE FLIGHT

## Other aircraft with N866TA

- [Registered now](https://openairdocs.org/aircraft/N866TA): Lockheed Martin F-16A, S/N 80-0666
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N866TA-undated): Convair 640, S/N 409. N-number assigned, not yet registered

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.