# N3420: 1953 Convair 640-340D, registration cancelled 2014-04-24

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 24, 2014
- Exported to: Mexico
- Status when cancelled: Valid registration
- Airframe: [Convair 640-340D](https://openairdocs.org/model/convair-640-340d) (registry code 2422814)
- Engine: [Pratt & Whitney R-2800 series](https://openairdocs.org/engine/pratt-whitney-r-2800-series) (registry code 52026)
- Serial number: 64
- Year built: 1953
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: October 1, 1965
- Certificate issued: May 21, 2013
- Last registry action: May 21, 2013
- Mode S code: A3C714
- Owner when cancelled: [Swain Jeff](https://openairdocs.org/faa-owner/SWAIN%20JEFF)
- Location: [Laredo, TX](https://openairdocs.org/faa-place/TX/Laredo)
- Owner type: Individual
- Owner's area on the map: 27.8338° N, 99.6814° W: Placed by OpenAirDocs at the center of ZIP code 78045, within about 15 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N3420
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3420
- Page: https://openairdocs.org/deregistered/N3420-2014-04-24

From the FAA registry file of November 5, 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 640-340D: https://openairdocs.org/model/convair-640-340d.md

## 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 MIA67A0112](https://openairdocs.org/ntsb/MIA67A0112), Apr 25, 1967: Convair 640D (N3420), San Juan, PR, substantial damage

## FAA accident and incident reports (7)

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 19930506018159I](https://openairdocs.org/incident/19930506018159I), May 6, 1993: Cvac STC340T (N3420), Janesville, WI. Left main tire blew on rollout. Aircraft veered off runway. Struck two runway lights.
- [Incident 19880427020039I](https://openairdocs.org/incident/19880427020039I), Apr 27, 1988: Cvac STC340T (N3420), Gallup, NM. Left generator failed. Unable to put APU on line. Restored power to one generator and landed safely.
- [Incident 19851226067379I](https://openairdocs.org/incident/19851226067379I), Dec 26, 1985: Cvac 340CVAC (N3420), Minneapolis, MN. Lost all electrical power after climb. Returned and electrical system checked normal. Changed battery.
- [Incident 19831224063689I](https://openairdocs.org/incident/19831224063689I), Dec 24, 1983: Cvac STC340T (N3420), Cleveland, OH, Substantial damage. Left main landing gear cylinder sheared off on rollout. Moved by crane. Dropped. Cylinder failure undetermined.
- [Incident 19820420028639I](https://openairdocs.org/incident/19820420028639I), Apr 20, 1982: Cvac STC340T (N3420), Chicago, IL. Unable to raise gear on takeoff. Returned. Failed to remove landing gear pins.
- [Incident 19780811037649I](https://openairdocs.org/incident/19780811037649I), Aug 11, 1978: Cvac STC440 (N3420), Toronto, CN, Minor damage. Landing gear door separated from aircraft due to failed hinge.
- [Incident 19780118003449I](https://openairdocs.org/incident/19780118003449I), Jan 18, 1978: Cvac 340CVAC (N3420), Ypsilanti, MI, Minor damage. Propeller struck a snowbank that had not been cleared from parking ramp.

## Other aircraft with N3420

- [Cancelled 1930-01-16](https://openairdocs.org/deregistered/N3420-1930-01-16): Curtiss JN4H, S/N 4747. Owner: [Hill James E W](https://openairdocs.org/faa-owner/HILL%20JAMES%20E%20W)

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