# N409EX: 1979 Cessna 404, registration cancelled 2004-04-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 8, 2004
- Exported to: Venezuela
- Status when cancelled: Triennial form not returned
- Airframe: [Cessna 404](https://openairdocs.org/model/cessna-404) (registry code 2075901)
- Engine: [Continental 6-285-A](https://openairdocs.org/engine/continental-6-285-a) (registry code 17038)
- Data sheets: [TCDS A25CE](https://openairdocs.org/tcds/A25CE), [TCDS E12CE](https://openairdocs.org/tcds/E12CE) (OpenAirDocs)
- Serial number: 404-0436
- Year built: 1979
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: August 25, 1979
- Certificate issued: December 1, 1994
- Last registry action: August 19, 2003
- Mode S code: A4CE8A
- Owner when cancelled: [Durango Air Service Inc](https://openairdocs.org/faa-owner/DURANGO%20AIR%20SERVICE%20INC)
- Location: [Durango, CO](https://openairdocs.org/faa-place/CO/Durango)
- Owner type: Corporation
- Owner's area on the map: 37.5294° N, 107.8215° W: Placed by OpenAirDocs at the center of ZIP code 81301, within about 16 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N409EX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=409EX
- Page: https://openairdocs.org/deregistered/N409EX-2004-04-08

From the FAA registry file of October 28, 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 404: https://openairdocs.org/model/cessna-404.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 98ZZZX2804](https://openairdocs.org/sdr/98ZZZX2804), Jul 20, 1998: BOLTS. FAILED. TRU-BOLTS (UPPER TWO) AND UPPER TWO CYLINDER HOLD-DOWN STUDS FOUND BROKEN ON NR 6 CYLINDER OF THE NR 1 ENGINE. CAUSED EXHAUST STACK TO BREAK AT FLANGE. EXHAUST 
- [SDR 97ZZZX624](https://openairdocs.org/sdr/97ZZZX624), Jan 20, 1997: BRACKET. CRACKED. ON PRE-FLIGHT INSPECTION, PILOT NOTICED 'CLUNKING' SOUND IN RUDDER WHEN IT WAS MOVED. INSPECTION OF RUDDER FOUND BALANCE WEIGHT SEPARATED FROM MOUNTING BRACKET 
- [SDR 96ZZZX931](https://openairdocs.org/sdr/96ZZZX931), Jan 18, 1996: SEPARATOR. FROZE. THE AIR OUTLETS OF THE AIR/OIL SEPARATORS FROZE OVER, APPARENTLY, FROM INTERNAL MOISTURE CAUSING ALL ENGINE OIL TO BE PUMPED OVERBOARD ON THE LEFT ENGINE AND AL
- [SDR 96ZZZX472](https://openairdocs.org/sdr/96ZZZX472), Jan 8, 1996: OIL SEPARATOR. FROZE. AIR/OIL SEPARATOR OUTLET FROZE SHUT. ENGINE PUMPED OIL OVERBOARD. ENGINE FAILED, THREW ROD THROUGH CASE.

## 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 DEN90LA056](https://openairdocs.org/ntsb/DEN90LA056), Feb 13, 1990: Cessna 404 (N409EX), Englewood, CO, substantial damage. Probable cause: THE COLLAPSE OF THE NOSE GEAR ASSEMBLY FOR UNDETERMINED REASONS.

## 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.

- [Incident 19960105004109I](https://openairdocs.org/incident/19960105004109I), Jan 5, 1996: Cessna 404CESSNA (N409EX), Montrose, CO, Minor damage. Narrative: on a cargo flight from den to mtj, at 17,000 feet the pilot noticed the left oil pressure 10#low, but still in the green. Oil pressure continued…
- [Accident 19900212001989A](https://openairdocs.org/incident/19900212001989A), Feb 12, 1990: Cessna 404CESSNA (N409EX), Denver, CO, Substantial damage. Nose gear collapsed on takeoff roll. Reason for collapse could not be determined.

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