# Convair 640-340D

- Type: Aircraft model (FAA registry)
- Registry code: 2422814
- Manufacturer (registry): CONVAIR
- Model: 640-340D
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-prop
- Seats: 46
- Weight class: 20,000 lb and over
- Cruise speed: 211 mph
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/convair-640-340d

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (10)

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 DCA92RA020](https://openairdocs.org/ntsb/DCA92RA020), Feb 2, 1992: Convair 640 (N862FW), Kafoutine, Senegal, 30 fatal
- [NTSB ATL89FA189](https://openairdocs.org/ntsb/ATL89FA189), Aug 3, 1989: Convair 640 (340D) (N5509K), Atlanta, GA, substantial damage. Probable cause: PILOT IN COMMAND FAILED TO PLACE THE AIRPLANE AT A POSITION FROM WHICH A STABILIZED APPROACH TO LANDING COULD BE MADE. HIS PROCEDURE FOR THE RECOVERY FROM THE BOUNCED LANDING WAS INADEQUATE AND THE…
- [NTSB FTW88MA021](https://openairdocs.org/ntsb/FTW88MA021), Oct 28, 1987: Convair 640 (340D) (N3411), Bartlesville, OK, destroyed
- [NTSB MIA72IM097](https://openairdocs.org/ntsb/MIA72IM097), Mar 23, 1972: Convair 640 (N3407), San Juan, PR, incident, minor damage
- [NTSB MIA71AM047](https://openairdocs.org/ntsb/MIA71AM047), Dec 10, 1970: Convair 640 (N3417), St.Thomas, VI, substantial damage
- [NTSB OAK68A0056](https://openairdocs.org/ntsb/OAK68A0056), Jan 28, 1968: Convair 640 (N5510K), Hilo, HI, no damage
- [NTSB MIA67A0112](https://openairdocs.org/ntsb/MIA67A0112), Apr 25, 1967: Convair 640D (N3420), San Juan, PR, substantial damage
- [NTSB MIA65A0109](https://openairdocs.org/ntsb/MIA65A0109), Apr 27, 1965: Convair CV-340 (N3412), Ponce, PR, substantial damage
- [NTSB UNK64X4043](https://openairdocs.org/ntsb/UNK64X4043), Sep 19, 1964: Convair CV-340 (N3410), San Juan, PR, incident, no damage
- [NTSB UNK64X0550](https://openairdocs.org/ntsb/UNK64X0550), Feb 13, 1964: Convair CV-440 (N5512K), Hilo, HI, substantial damage

## FAA accident and incident reports (21)

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 19940826033339I](https://openairdocs.org/incident/19940826033339I), Aug 26, 1994: Cvac 640340D (N3412), Buffalo, NY, Minor damage. Engine fire on climbout. Returned. Found uncontained engine failure and fire. Cowling damaged.
- [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 19911004049659I](https://openairdocs.org/incident/19911004049659I), Oct 4, 1991: Cvac STC340T (N5510K), Baltimore, MD, Minor damage. Main system hydraulic failure on final. Used emergency brakes. Blew tires and ran off runway.
- [Incident 19900828043009I](https://openairdocs.org/incident/19900828043009I), Aug 28, 1990: Cvac STC340T (N73137), Buffalo, NY. Hydraulic failure on approach. Landed safely. Found right engine driven hydraulic pump failed.
- [Incident 19900628035449I](https://openairdocs.org/incident/19900628035449I), Jun 28, 1990: Cvac STC340T (N5512K), Norfolk, VA. NR2 engine fire. Discharged fire bottle and shut down. NR2 wheel well boost pump leaking fuel.
- [Accident 19890803030349A](https://openairdocs.org/incident/19890803030349A), Aug 3, 1989: Cvac STC340CVAC (N5509K), Atlanta, GA, Substantial damage. Landed hard, bounced 3 times collapsing nose gear. Used 30 degree flaps instead of 24 on a destabilized approach.
- [Incident 19890630041079I](https://openairdocs.org/incident/19890630041079I), Jun 30, 1989: Cvac STC340T (N3410), Wilmington, DE. Uneven fuel load in flight. Landed. Found ruptured crossfeed hose. Fire sleeve hid poor condition.
- [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 19880205012939I](https://openairdocs.org/incident/19880205012939I), Feb 5, 1988: Cvac 640340D (N5515K), Grand Rapids, MI. Slid off a taxiway. Became mired in mud. Unable to see taxiway due to blowing snow.
- [Incident 19871027071449I](https://openairdocs.org/incident/19871027071449I), Oct 27, 1987: Cvac STC340T (N73137), Detroit, MI. Engine shutdown on base leg due to flame out. Safe landing. Suspect propeller hung on pitch lock causing overtemp.
- [Incident 19860220013299I](https://openairdocs.org/incident/19860220013299I), Feb 20, 1986: Cvac STCAPJC (N3410), Detroit, MI. Informed by ATC that minimums were lower than prescribed for approach. Insufficient evidence to document violation.
- [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 19850117005539I](https://openairdocs.org/incident/19850117005539I), Jan 17, 1985: Cvac 340D (N5515K), Boston, MA. Pilot returned for landing because of a door warning light. Pilot operated handle serveral times, continued flight.
- [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 19820127001569I](https://openairdocs.org/incident/19820127001569I), Jan 27, 1982: Cvac STC440T (N3412), Dallas Ft Worth, TX, Minor damage. Wing tip struck ramp loader while taxiing to park. No ground crew to guide aircraft.
- [Incident 19800816077129I](https://openairdocs.org/incident/19800816077129I), Aug 16, 1980: Cvac STC440 (N3411), Columbia, MO. While en route lost normal DC electrical power and communications. Unscheduled landing using emergency power.
- [Incident 19790215007339I](https://openairdocs.org/incident/19790215007339I), Feb 15, 1979: Cvac 340D (N7529U), Albany, NY. Engine shutdown due to high oil temperature. Fuel filter blockage and engine overheat warning.
- [Incident 19781213025069I](https://openairdocs.org/incident/19781213025069I), Dec 13, 1978: Cvac 340CVAC (N5512K), Ypsilanti, MI, Minor damage. Nose gear collapsed when flight crew activated hydraulic system. Gear selector was in the "up" position.
- [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.

## Service difficulty reports (10)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2022F00166](https://openairdocs.org/sdr/2022F00166), Feb 24, 2021: NONE. NONE. DURING THE LANDING AT THE HERMOSILLO AIRPORT, WHEN TOUCHING DOWN ON THE RUNWAY, A KNOCK WAS HEARD ON THE LEFT MAIN LANDING GEAR AND, AT THE SAME TIME, A KNOCK O
- [SDR JRAA587062305](https://openairdocs.org/sdr/JRAA587062305), Jun 23, 2005: SKIN PANEL. CORRODED. SURFACE CORROSION WAS FOUND ON THE RT IB SKIN PANEL AT APPROX STA 96.91. THIS CORRODION WAS NOTED UNDER THE INSULATION PANEL LOWER SIDE. REPLACEMENT OF SKIN PAN
- [SDR WPA2005F00000](https://openairdocs.org/sdr/WPA2005F00000), Nov 28, 2004: INDICATOR. MALFUNCTIONED. DURING DECENT, UPON SELECTING GEAR DOWN. ALL 3 GREEN GEAR DOWN AND LOCKED LIGHTS ILLUMINATED. THE RED GEAR UNSAFE LIGHT ALSO REMAINED ILLUMINATED. AFTER LANDING
- [SDR JRA2003F00000](https://openairdocs.org/sdr/JRA2003F00000), Feb 27, 2003: LINE. LEAKING. AFTER MOVING THE LANDING GEAR HANDLE (DOWN) AND SELECTING FLAPS (DOWN); THE HYDRAULIC PRESSURE GAUGE READ ZERO PSI. NO FLUID WAS VISIBLE IN THE HYDRAULIC RESERV
- [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 JRA2002F00003](https://openairdocs.org/sdr/JRA2002F00003), Apr 24, 2002: BATTERY. OVERHEATED. AFTER ARRIVAL, AIRCRAFT POWERED BY BATTERY FOR 30 MIN. - FANS, LIGHTS, CARGO DOOR, ECT. WHEN POWERED UP, NOTED 18 V, TURNED ON BATT INTERLOCK OVERRIDE FOR A FEW
- [SDR 20000331SH018](https://openairdocs.org/sdr/20000331SH018), Feb 21, 2000: CONTROL COLUMN. CORRODED. PART HAD CRACK 2 INCHES LONG STARTING AT BASE AND GOING UP WITH 2 SMALL BRANCHES AT TOP. AT RENWAL, FOUND LIGHT TO MODERATE CORROSION ON INTERIOR WALL. ALL CORR
- [SDR 99ZZZX1340](https://openairdocs.org/sdr/99ZZZX1340), Mar 11, 1999: LINE. BROKEN. ON APPROACH, HYDRAULIC SELECTOR WAS PUT TO DOWN POSITION, A THUD WAS HEARD FOLLOWED BY LOSS OF HYDRAULIC FLUID. LANDING GEAR WAS EXTENDED BY FREE-FALL PROCEDURE
- [SDR GAIA9626](https://openairdocs.org/sdr/GAIA9626), Sep 24, 1996: RELAY. STUCK. FLT 484 - ON APPROACH INTO PIT, FLIGHT CREW NOTED SMOKE IN COCKPIT BRINGING THE GEAR UP OR DOWN, BUT GOES AWAY IN-FLIGHT. AFTER LANDING IN PIT, THE FLIGHT CREW 

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