# Nzail CT4A

- Type: Aircraft model (FAA registry)
- Registry code: 05623UC
- Manufacturer (registry): NZAIL
- Model: CT4A
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 2
- Page: https://openairdocs.org/model/nzail-ct4a

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 (2)

- [N7083U](https://openairdocs.org/aircraft/N7083U): [Slaney Richard C](https://openairdocs.org/faa-owner/SLANEY%20RICHARD%20C), [Eugene, OR](https://openairdocs.org/faa-place/OR/Eugene), S/N 044
- [N7083Z](https://openairdocs.org/aircraft/N7083Z): [Slaney Richard C](https://openairdocs.org/faa-owner/SLANEY%20RICHARD%20C), [Eugene, OR](https://openairdocs.org/faa-place/OR/Eugene), S/N 035

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## Service difficulty reports (10)

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

- [SDR AUS20021051](https://openairdocs.org/sdr/AUS20021051), Jul 8, 2002: CONNECTING ROD. FAILED. (AUS) DURING AGRICULTURE OPERATIONS (SPREADING SUPER) THE PILOT ENCOUNTERED EXCESSIVE ENGINE VIBRATION AND A POSSIBLE OVERSPEED (WAS UNABLE TO READ GAUGES). ENG
- [SDR AU010327](https://openairdocs.org/sdr/AU010327), Mar 20, 2001: BEARING. WORN. (AUS) RT CONTROL COLUMN TORQUE TUBE BEARING WORN.
- [SDR AU001037](https://openairdocs.org/sdr/AU001037), Oct 22, 2000: O-RING. DAMAGED. (AUS) ENGINE DRIVEN FUEL PUMP O-G SEAL DAMAGED. A PORTION OF THE SEAL BLOCKED THE METERING ORIFICE AT THE FCU ALLOWING THROUGH ONLY ENOUGH FUEL FOR IDLE POWER. 
- [SDR AU000933](https://openairdocs.org/sdr/AU000933), Sep 27, 2000: O-RING. WRONG PART. (AUS) THROTTLE METERING PLATE O RING SEAL NOT USED IN THIS LOCATION. NO REFERENCE TO THIS O RING IN THE PARTS CATALOGUE. UNAPPROVED PART. (X)
- [SDR AU000248](https://openairdocs.org/sdr/AU000248), Mar 7, 2000: RELAY. STUCK. (AUS) ENGINE STARTER SOLENOID RELAY JAMMED IN THE ON POSITION. STARTER MOTOR WOULD NOT DISENGAGE. (X)
- [SDR AU000279](https://openairdocs.org/sdr/AU000279), Feb 9, 2000: FITTING. DAMAGED. (AUS) DISTRIBUTOR VALVE TO FUEL INJECTOR LINE FITTING LOOSE. INVESTIGATION FOUND DAMAGED THREADS WHICH ALLOWED THE NUT TO LOOSEN. FUEL LEAKING FROM FITTING.
- [SDR AU000323](https://openairdocs.org/sdr/AU000323), Jan 24, 2000: RELAY. STUCK. (AUS) STARTER RELAY JAMMED ON.
- [SDR AU000322](https://openairdocs.org/sdr/AU000322), Jan 17, 2000: MOUNT. CRACKED. (AUS) LEFT PILOT SIDE BRAKE CALIPER MOUNT CRACKED.
- [SDR AU991103](https://openairdocs.org/sdr/AU991103), Oct 13, 1999: SWITCH. FAULTY. (AUS) FLAP MICROSWITCH SUSPECT FAULTY.
- [SDR AU990878](https://openairdocs.org/sdr/AU990878), Aug 20, 1999: ROCKER ARM. FRACTURED. (AUS) NR 5 CYLINDER EXHAUST VALVE ROCKER ARM FRACTURED. SUBMITTER SUSPECTED ROCKER ARM BUSHING INCORRECTLY FITTED, COVERING THE OIL HOLE AND PREVENTING LUBRICAT

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