# N4334Z: 1999 Larson C/Watland S AERO COMP-6, registration cancelled 2007-11-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 27, 2007
- Status when cancelled: Triennial form not returned
- Airframe: [Larson C/Watland S AERO COMP-6](https://openairdocs.org/model/larson-c-watland-s-aero-comp-6) (registry code 05606N7)
- Engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026)
- Serial number: AC6114
- Year built: 1999
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: March 15, 1999
- Certificate issued: August 17, 1998
- Last registry action: October 16, 2007
- Mode S code: A5313F
- Owners when cancelled: [Larson Craig C](https://openairdocs.org/faa-owner/LARSON%20CRAIG%20C), [Watland Scott L](https://openairdocs.org/faa-owner/WATLAND%20SCOTT%20L)
- Location: [Fort Ripley, MN](https://openairdocs.org/faa-place/MN/Fort%20Ripley)
- Owner type: Partnership
- Owner's area on the map: 46.1785° N, 94.2614° W: Placed by OpenAirDocs at the center of ZIP code 56449, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4334Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4334Z
- Page: https://openairdocs.org/deregistered/N4334Z-2007-11-27

From the FAA registry file of October 29, 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 Larson C/Watland S AERO COMP-6: https://openairdocs.org/model/larson-c-watland-s-aero-comp-6.md

## NTSB investigations (2)

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 CHI06CA039](https://openairdocs.org/ntsb/CHI06CA039), Nov 30, 2005: Larson Aero Comp-6 (N4334Z), Brainerd, MN, substantial damage. Probable cause: The pilot/builder inadvertently reversed the aileron control systems during installation and failed to maintain control of the airplane during takeoff. A factor associated with the accident was the…
- [NTSB CHI01LA045](https://openairdocs.org/ntsb/CHI01LA045), Dec 8, 2000: Larson Aero COMP-6 (N4334Z), Brainerd, MN, substantial damage. Probable cause: The pilot's inadequate preflight of the airplane which resulted in fuel exhaustion. Factors associated with the accident were the loose fuel cap and the snow covered terrain.

## 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 20051130032239A](https://openairdocs.org/incident/20051130032239A), Nov 30, 2005: AEROCOMP6 (N4334Z), Brainerd, MN, Destroyed. (-23) The owner/pilot had replaced the cable and pulley aileron control system with a push-pull tube and bellcrank system. He did not perform a flight control…
- [Accident 20001208026889A](https://openairdocs.org/incident/20001208026889A), Dec 8, 2000: N4334Z, Ft Ripley, MN, No damage. (-23) Was testing and calibrating new fuel sender. Fuel siphoned out thru gas cap, ran out of fuel. Flipped over while landing in snow.

## Other aircraft with N4334Z

- [Cancelled 1992-07-28](https://openairdocs.org/deregistered/N4334Z-1992-07-28): Piper PA-28-181, S/N 288490041. Exported to Germany. Owner: [Gregory Aviation Company](https://openairdocs.org/faa-owner/GREGORY%20AVIATION%20COMPANY), [Des Moines, IA](https://openairdocs.org/faa-place/IA/Des%20Moines)
- [Cancelled 1968-09-23](https://openairdocs.org/deregistered/N4334Z-1968-09-23): Piper PA-18-150, S/N 18-8637, built 1968. Exported to Yugoslavia. Owner: [Piper Aircraft Corp](https://openairdocs.org/faa-owner/PIPER%20AIRCRAFT%20CORP), [Lock Haven, PA](https://openairdocs.org/faa-place/PA/Lock%20Haven)

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