# N493US: 1980 Fokker F.28 MK4000, registration cancelled 2006-02-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 15, 2006
- Exported to: South Africa
- Status when cancelled: Valid registration
- Airframe: [Fokker F.28 MK4000](https://openairdocs.org/model/fokker-f-28-mk4000) (registry code 4990810)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 11161
- Year built: 1980
- Type of aircraft: Fixed wing multi engine
- Airworthiness: Standard, transport
- Airworthiness date: November 13, 1980
- Certificate issued: August 29, 2005
- Last registry action: August 29, 2005
- Mode S code: A61D10
- Owner when cancelled: [Wells Fargo Bank Northwest Na Trustee](https://openairdocs.org/faa-owner/WELLS%20FARGO%20BANK%20NORTHWEST%20NA%20TRUSTEE)
- Location: [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City)
- Owner type: Corporation
- Owner's area on the map: 40.7558° N, 111.8843° W: Placed by OpenAirDocs at the center of ZIP code 84111, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N493US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=493US
- Page: https://openairdocs.org/deregistered/N493US-2006-02-15

From the FAA registry file of November 3, 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 Fokker F.28 MK4000: https://openairdocs.org/model/fokker-f-28-mk4000.md

## Service difficulty reports (481, newest 50)

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

- [SDR QXEA0300007](https://openairdocs.org/sdr/QXEA0300007), Jan 3, 2003: LIGHT. INOPERATIVE. PDX- RIGHT HAND FORWARD EGRESS LIGHT INOPERATIVE. REMOVED AND REPLACED RIGHT HAND FORWARD EGRESS LIGHT. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0202173](https://openairdocs.org/sdr/QXEA0202173), Dec 15, 2002: SIGN. INOPERATIVE. SEA ON FLIGHT 2423- EMERGENCY LIGHT NEXT TO LAVATORY SIGN HAS SOME BURNED OUT BULBS. REMOVED AND REPLACED FORWARD EMERGENCY LIGHT. OPERATIONAL CHECKS GOOD. AIRC
- [SDR QXEA0202192](https://openairdocs.org/sdr/QXEA0202192), Dec 15, 2002: LIGHT. INOPERATIVE. SEA-ON FLT NR 2423, EMERGENCY LIGHT NEXT TO LAVATORY SIGN HAS SOME BURNED OUT BULBS. REMOVED AND REPLACED FORWARD EMERGENCY LIGHT. OPERATIONAL CHECKED GOOD. AIR
- [SDR QXEA0202020](https://openairdocs.org/sdr/QXEA0202020), Nov 25, 2002: SIGN. INOPERATIVE. PDX- MID CABIN OVERHEAD EMERGENCY EXIT SIGN FORWARD SIDE HAS NUMEROUS LIGHTS THAT DO NOT ILLUMINATE WHEN SELECTED ON. REPLACED MID CABIN EMERGENCY EXIT SIGN. OP
- [SDR QXEA0201821](https://openairdocs.org/sdr/QXEA0201821), Oct 29, 2002: ACTUATOR. FAILED. BIL - ON APPROACH, THE GEAR WAS SELECTED DOWN. THE LEFT MAIN RED LIGHT REMAINED ILLUMINATED WITH NO GREEN ILLUMINATION. A GO-AROUND WAS INITIATED AND THE ABNORM
- [SDR QXEA0201599](https://openairdocs.org/sdr/QXEA0201599), Oct 5, 2002: RIVET. LOOSE. PDX- ON THE LT SIDE VERTICAL STABILIZER ATTACH ANGLE THE MOST AFT RIVET ON THE LOWER FLANGE OF THE ATTACH ANGLE IS LOOSE. REPAIRED IAW FOKKER SRM 51-31-01.
- [SDR QXEA0201598](https://openairdocs.org/sdr/QXEA0201598), Oct 5, 2002: ATTACH ANGLE. CRACKED. PDX- CRACK IN RADIUS OF VERTICAL STABILIZER ATTACH ANGLE AT 32 PERCENT OF VERTICAL STABILIZER SPAR ON THE LT SIDE. REPAIRED IAW FOKKER SRM 55-31-00.
- [SDR QXEA0201597](https://openairdocs.org/sdr/QXEA0201597), Oct 5, 2002: ATTACH ANGLE. CRACKED. PDX- CRACK AT FASTENER ON RT SIDE OF VERTICAL STABILIZER ATTACH ANGLE. SECOND FROM THE AFT FASTENER ON THE UPPER FLANGE OF THE ATTACH ANGLE. REPAIRED IAW FOKKER
- [SDR QXEA0201336](https://openairdocs.org/sdr/QXEA0201336), Sep 4, 2002: SIGN. INOPERATIVE. PDX- EXIT SIGN ABOVE GALLEY HAS SEGMENTS INOPERATIVE. REMOVED AND REPLACED EXIT SIGN ABOVE GALLEY. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0201279](https://openairdocs.org/sdr/QXEA0201279), Aug 25, 2002: SOCKET. DEFECTIVE. PDX- BURNT SMELL IN COCKPIT. REMOVED AND REPLACED PILOT'S CENTER PEDESTAL. INBOARD SIDE RED LAMP SOCKET. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0201058](https://openairdocs.org/sdr/QXEA0201058), Jul 23, 2002: SIGN. INOPERATIVE. BOI-BOTH MID CABIN EXIT SIGNS EMERGENCY LIGHTS INOPERATIVE. REMOVED AND REPLACED BOTH EMERGENCY EXIT SIGNS IN MID CABIN. OPERATIONAL CHECK GOOD. AORCRAFT RETURN
- [SDR QXEA0200950](https://openairdocs.org/sdr/QXEA0200950), Jul 10, 2002: BATTERY PACK. INOPERATIVE. PDX-LEFT OVERWING EMERGENCY EXIT LIGHTS INOPERATIVE.REMOVED AND REPLACED BATTERY SUPPLY PACK IN OVERHEAD BIN AT ROW 9AB. OPERATIONAL CHECK GOOD. AIRCRAFT RETURN
- [SDR QXEA0200854](https://openairdocs.org/sdr/QXEA0200854), May 30, 2002: SIGN. INOPERATIVE. PDX- EXIT SIGN ABOVE COCKPIT ENTRANCE IS INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0200843](https://openairdocs.org/sdr/QXEA0200843), May 28, 2002: HYDRAULIC SYSTEM. LOW. SEA - DURING FLIGHT THE FLIGHT CONTROL HYDRAULIC QUANTITY DROPPED TO ZERO. LANDING AT SEA WAS UNEVENTFUL. MAINTENANCE INSPECTED THE AIRCRAFT AND SERVICED THE FL
- [SDR QXEA0200508](https://openairdocs.org/sdr/QXEA0200508), Mar 22, 2002: CIRCUIT BOARD. INOPERATIVE. SEA-EXIT SIGN BULB INOPERATIVE. LOCATED ON FORWARD FACING PANEL BETWEEN ROW 8 AND 9. REPLACED EXIT SIGN CIRCUIT BOARD. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED
- [SDR QXEA0200300](https://openairdocs.org/sdr/QXEA0200300), Feb 15, 2002: BATTERY PACK. INOPERATIVE. PDX-TWO EMERGENCY LIGHTS IN CABIN CEILING REMAIN ILLUMINATED WITH POWER SELECTED OFF. REMOVED AND REPLACED LEFT HAND AFT OVERHEAD BIN EMERGENCY BATTERY PACK. OP
- [SDR QXEA0200010](https://openairdocs.org/sdr/QXEA0200010), Jan 8, 2002: SIGN. INOPERATIVE. SEA- AFT OVERWING EXIT SIGN HAS SEVERAL BURNED OUT BULBS. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101961](https://openairdocs.org/sdr/QXEA0101961), Nov 18, 2001: BATTERY. DISCHARGED. PDX-EMERGENCY EGRESS LIGHTS AT ROW 11-14 INOP. REMOVED AND REPLACED THE CARTRIDGE BATTERY AS NEEDED. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101962](https://openairdocs.org/sdr/QXEA0101962), Nov 17, 2001: BATTERY PACK. DISCHARGED. PDX-BOTH AFT EXTERIOR EVACUATION LIGHTS INOPERATIVE. REMOVED AND REPLACED AFT CARGO PIT EVACUATION LIGHTS BATTERY PACK. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNE
- [SDR QXEA0101786](https://openairdocs.org/sdr/QXEA0101786), Nov 12, 2001: SIGN. INOPERATIVE. PDX - EXIT SIGN AT PASSENGER ENTRANCE IS INOPERATIVE. REPLACED EXIT SIGN. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101708](https://openairdocs.org/sdr/QXEA0101708), Oct 31, 2001: CIRCUIT BOARD. BURNED OUT. PDX- CABIN FORWARD EMERGENCY EXIT SIGN HAS NUMEROUS LAMPS BURNED OUT. REMOVED AND REPLACED CIRCUIT BOARD. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0101599](https://openairdocs.org/sdr/QXEA0101599), Sep 28, 2001: POWER SUPPLY. DISCHARGED. PDX - AFT EXTERIOR FAIRING EMERGENCY LIGHTS DID NOT ILLUMINATE. REMOVED AND REPLACED AFT CARGO BATTERY POWER SUPPLY UNIT FOR EVACUATION LIGHTS. OPERATIONAL CHEC
- [SDR QXEA0101502](https://openairdocs.org/sdr/QXEA0101502), Sep 11, 2001: SIGN. INOPERATIVE. SEA - EXIT SIGN ABOVE COCKPIT DOOR HAS SEVERAL LIGHTS INOPERABLE. REMOVED AND REPLACED SIGN ABOVE COCKPIT DOOR. OPERATIONAL CHECK IS GOOD. AIRCRAFT RETURNED TO 
- [SDR QXEA0101131](https://openairdocs.org/sdr/QXEA0101131), Jun 29, 2001: SEA - CREW REPORTED AND ELECTRICAL BURNING SMELL, FOLLOWED BY THE #2 GENERATOR CAUTION LIGHT ILLUMINATING. REMOVED AND REPLACED GENERATOR CONTROL UNIT. OPERATIO
- [SDR QXEA0101071](https://openairdocs.org/sdr/QXEA0101071), Jun 25, 2001: SEA - EXIT SIGN ATTACHED TO SEAT 8B REPORTED DAMAGED. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100794](https://openairdocs.org/sdr/QXEA0100794), May 27, 2001: SIGN. INOPERATIVE. PDX - LIGHT BULB FOUND BURNT OUT ON NR 3 EXIT SIGN. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- [SDR QXEA0100793](https://openairdocs.org/sdr/QXEA0100793), May 26, 2001: SIGN. INOPERATIVE. PDX - EMERGENCY EXIT SIGN ABOVE FLIGHT COMPARTMENT DOOR REPORTED INOPERATIVE. REMOVED AND REPLACED EXIT SIGN. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERV
- [SDR QXEA0100610](https://openairdocs.org/sdr/QXEA0100610), Apr 26, 2001: RIB. CRACKED. YYC- RIB 4 THROUGH 2 HAS SMALL CRACKS AT TRAILING EDGE RUDDER. REPAIRED IAW FOKKER SRM 55-02-01 PAGE 4, 55-02-07 PAGE 3 AND 51-31-01 PAGES 13 AND 14.
- [SDR QXEA0100598](https://openairdocs.org/sdr/QXEA0100598), Apr 17, 2001: SUPPORT BRACKET. CRACKED. YYC- SPEEDBRAKE UPPER HINGE SUPPORT BRACKET IS CRACKED. REPAIRED IAW HORIZON AIR EA 4-53-1476.
- [SDR QXEA0100515](https://openairdocs.org/sdr/QXEA0100515), Apr 8, 2001: FRAME. CORRODED. YYC- SUPPORT STRUCTURE AND FRAME 14755 CORRODED AND HAS BROKEN ANCHOR NUTS. REPAIRED IAW HORIZON AIR EA 4-53-1469.
- [SDR QXEA0100620](https://openairdocs.org/sdr/QXEA0100620), Apr 6, 2001: HINGE. WORN. YYC- LEFT HAND NUMBER 5 LIFTDUMPER INBOARD ATTACHMENT HINGE BRACKET BOLT ANTI SPIN BASES WORN. REPAIRED IAW FOKKER SRM 27-63-01 AND HORIZON AIR EA 4-57-552.
- [SDR QXEA0100602](https://openairdocs.org/sdr/QXEA0100602), Apr 6, 2001: SKIN. CRACKED. YYC- HORIZONTAL STAB LEADING EDGE 51C HAS CRACKS AT INBOARD AND FLANGE CORNER. REPAIRED IAW HORIZON AIR EA 4-55-287.
- [SDR QXEA0100601](https://openairdocs.org/sdr/QXEA0100601), Apr 6, 2001: SKIN. CRACKED. YYC- HORIZONTAL STAB LEADING EDGE 51B HAS CRACKS AT OUTBOARD AND FLANGE CORNERS. REPAIRED IAW HORIZON AIR EA 4-55-287.
- [SDR QXEA0100544](https://openairdocs.org/sdr/QXEA0100544), Apr 6, 2001: FRAME. CORRODED. YYC- FRAME 13815A HAS MINOR CORROSION BETWEEN STRINGERS 1 AND 74. REPAIRED IAW FOKKER SRM 53-22-04.
- [SDR QXEA0100536](https://openairdocs.org/sdr/QXEA0100536), Apr 6, 2001: SKIN. TORN. YYC- REAR CARGO DOOR INSIDE SKIN TORN BY BOTTOM MID SECTION ALONG RIVET LINE. REPAIRED IAW FOKKER SRM 52-30-00, 52-02-05 PAGE 3 AND 51-31-05 PAGES 8 AND 10.
- [SDR QXEA0100535](https://openairdocs.org/sdr/QXEA0100535), Apr 6, 2001: ANGLE. CORRODED. YYC- MAIN CABIN DOOR ENTRANCE WAY SECOND STEP BOTTOM INBOARD ANGLE CORRODED. REPAIRED IAW FOKKER SRM 51-10-4 PAGE 9.
- [SDR QXEA0100520](https://openairdocs.org/sdr/QXEA0100520), Apr 6, 2001: FRAME. CRACKED. YYC- CRACKED CASTELLATION IN REAR CARGO PIT AT FRAME 13815B AND STRINGER 72 AND 73. REPAIRED IAW FOKKER SRM 53-22-04 AND 51-31-01.
- [SDR QXEA0100519](https://openairdocs.org/sdr/QXEA0100519), Apr 6, 2001: FRAME. CRACKED. YYC- CRACKED CASTELLATION IN REAR CARGO PIT AT FRAME 13815B AND STRINGER 2 AND 3. REPAIRED IAW FOKKER SRM 53-22-04 AND 51-31-01.
- [SDR QXEA0100518](https://openairdocs.org/sdr/QXEA0100518), Apr 6, 2001: FRAME. CRACKED. YYC- CRACKED CASTELLATION IN REAR CARGO PIT AT FRAME 13815A AND STRINGER 73 AND 72. REPAIRED IAW FOKKER SRM 53-02-13, 53-22-04 AND 51-31-01.
- [SDR QXEA0100505](https://openairdocs.org/sdr/QXEA0100505), Apr 6, 2001: DUCT. ERODED. YYC- LEFT HAND AIR CYCLE MACHINE INLET ERRODED. REPAIRED IAW FOKKER SRM 51-10-05, 51-31-01 AND 51-31-05.
- [SDR QXEA0100502](https://openairdocs.org/sdr/QXEA0100502), Apr 6, 2001: STRUCTURE. CRACKED. YYC- CRACK AT STATION 1550 AND STRINGER 72. REPAIRED IAW HORIZON AIR EA 4-53-1466.
- [SDR QXEA0100624](https://openairdocs.org/sdr/QXEA0100624), Apr 5, 2001: BRACKET. DAMAGED. YYC- RIGHT HAND NR 2 LIFTDUMPER SPIGOT MOUNTING BRACKET REQUIRES REAMING FOR OVERSIZE BOLTS. REPAIRED IAW HORIZON AIR EA 4-57-551.
- [SDR QXEA0100623](https://openairdocs.org/sdr/QXEA0100623), Apr 5, 2001: BRACKET. DAMAGED. YYC- RIGHT HAND NUMBER 1 LIFTDUMPER BRACKET MOUNTING HOLES REQUIRE REAMING FOR OVERSIZED BOLT. REPAIRED IAW HORIZON AIR EA 4-57-551.
- [SDR QXEA0100622](https://openairdocs.org/sdr/QXEA0100622), Apr 5, 2001: ATTACH ANGLE. CRACKED. YYC- LEFT HAND WING INBOARD TRAILING EDGE UPPER ATTACH ANGLE TO 5280 BEAM IS CRACKED. REPAIRED IAW FOKKER SRM 51-32-01, 51-32-01 AND 51-35-02.
- [SDR QXEA0100611](https://openairdocs.org/sdr/QXEA0100611), Apr 5, 2001: ANGLE. CRACKED. YYC- CRACKED ANGLE ON VERTICAL STAB ABOVE RIB 3 AND 2 BELOW RUDDER. REPAIRED IAW FOKKER SRM 55-31-04 AND 51-31-01.
- [SDR QXEA0100540](https://openairdocs.org/sdr/QXEA0100540), Apr 5, 2001: SKIN. CORRODED. YYC- MINOR CORROSION FOUND UNDER LOWER TRANSPONDER ANTENNA. REPAIRED IAW FOKKER SRM 51-10-4 PAGE 9.
- [SDR QXEA0100517](https://openairdocs.org/sdr/QXEA0100517), Apr 5, 2001: FRAME. CRACKED. YYC- AFT CARGO PIT CRACKED CASTELLATION AT FRAME 13815A AND STRINGER 1-2. REPAIRED IAW FOKKER SRM 53-02-13, 53-22-04 AND 51-31-01.
- [SDR QXEA0100507](https://openairdocs.org/sdr/QXEA0100507), Apr 5, 2001: BEAM. CRACKED. YYC- 18MM LONG CRACK LOWER RADIUS OF BEAM 3 AT BUTT LINE 55R FRONT SIDE OF REAR PRESSURE BULKHEAD. REPAIRED IAW HORIZON AIR EA 4-53-1227.
- [SDR QXEA0100616](https://openairdocs.org/sdr/QXEA0100616), Apr 4, 2001: RIB. CRACKED. YYC- VERTICAL STAB RIB 8 IS CRACKED ON THE RIGHT HAND SIDE. REPAIRED IAW HORIZON AIR EA 4-55-284.
- [SDR QXEA0100597](https://openairdocs.org/sdr/QXEA0100597), Apr 4, 2001: DOOR FRAME. CRACKED. YYC- TWO CRACKS AT APU AIR INLET DOOR SURROUND TOP AND BOTTOM AFT CORNERS. REPAIRED IAW FOKKER SRM 53-02-07 PAGE 7, 53-26-01 PAGE 8, 51-31-01 PAGES 13 AND 14 AN

All 481: https://openairdocs.org/deregistered/N493US-2006-02-15/reports.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 LAX00LA098](https://openairdocs.org/ntsb/LAX00LA098), Feb 14, 2000: Fokker FK-28-4000 (N493US), Red Bluff, CA, no damage. Probable cause: the failure of the passenger to fasten his seat belt without the necessity of being instructed by the flight attendant.

## 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.

- [Accident 20000214000579A](https://openairdocs.org/incident/20000214000579A), Feb 14, 2000: Fokker F28MK4000 (N493US), Red Bluff, CA. (.19) On February 14, 2000, at 1134 hours pacific standard time, horizon air flight 2457, a Fokker FK-28, N493US, encountered turbulence over Red Bluff,…
- [Incident 19900604026009I](https://openairdocs.org/incident/19900604026009I), Jun 4, 1990: Fokker F28MK4000 (N493US), Syracuse, NY. Unable to retract flaps after takeoff. Returned. Flap clutch shut off, solenoid was sticking.

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