# N1006T: 1988 Air Tractor AT-501, registration cancelled 2002-07-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 25, 2002
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Air Tractor AT-501](https://openairdocs.org/model/air-tractor-at-501) (registry code 0390302)
- Engine: [Walter NZ](https://openairdocs.org/engine/walter-nz) (registry code 64001)
- Data sheets: [TCDS A17SW](https://openairdocs.org/tcds/A17SW), [TCDS Group 3 Walter](https://openairdocs.org/tcds/Group%203%20Walter) (OpenAirDocs)
- Serial number: 501-0030
- Year built: 1988
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Restricted, agriculture and pest control
- Airworthiness date: May 24, 1996
- Certificate issued: June 5, 1995
- Last registry action: July 12, 2001
- Mode S code: A007F0
- Owner when cancelled: [Kokendoffer Earl J](https://openairdocs.org/faa-owner/KOKENDOFFER%20EARL%20J)
- Location: [Guymon, OK](https://openairdocs.org/faa-place/OK/Guymon)
- Physical address: [X, OK](https://openairdocs.org/faa-place/OK/X)
- Owner type: Individual
- Owner's area on the map: 36.7424° N, 101.4957° W: Placed by OpenAirDocs at the center of ZIP code 73942, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1006T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1006T
- Page: https://openairdocs.org/deregistered/N1006T-2002-07-25

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 Air Tractor AT-501: https://openairdocs.org/model/air-tractor-at-501.md

## Service difficulty reports (1)

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

- [SDR 96ZZZX2958](https://openairdocs.org/sdr/96ZZZX2958), May 15, 1996: VALVE. FAILED. DURING OPERATIONS FOR WEIGHT & BAL PURPOSES, FUEL VALVE TURNED TO 'OFF'. AS VALVE WAS BEING TURNED BACK TO 'ON', IT BECAME STUCK IN INTERMEDIATE POS. LINKAGE BT

## 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 IAD98WA029](https://openairdocs.org/ntsb/IAD98WA029), Jan 24, 1998: Air Tractor AT-501W (N1006T), Santa Maria, Portugal, destroyed, 1 fatal
- [NTSB FTW92LA134](https://openairdocs.org/ntsb/FTW92LA134), May 14, 1992: Air Tractor AT-501 (N1006T), Mooreland, OK, substantial damage. Probable cause: THE FAILURE OF THE NUMBER 3 CYLINDER FOR UNDETERMINED REASONS. A FACTOR WAS THE LACK OF SUITABLE TERRAIN FOR THE ENSUING FORCED LANDING.

## 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 19980124006209A](https://openairdocs.org/incident/19980124006209A), Jan 24, 1998: Airtrc AT501 (N1006T), Santa Maria, PO, Destroyed, 1 fatal. Ferry flight from Canada to portugal. Crashed at night heavy rain and fog near azores. (.19) delivery flight from st. john's, Canada to Santa Maria, azores,…
- [Accident 19920514014939A](https://openairdocs.org/incident/19920514014939A), May 14, 1992: Airtrc AT502 (N1006T), Mooreland, OK, Substantial damage. Cylinder failed. Engine backfired,lost power. Elected to land on a ridge. Struck trees and nosed down.

## Other aircraft with N1006T

- [Registered now](https://openairdocs.org/aircraft/N1006T): MD Helicopters 369FF, S/N 0367FF
- [Cancelled 2011-01-05](https://openairdocs.org/deregistered/N1006T-2011-01-05): Cessna 172S, S/N 172S10594, built 2007. Exported to Peru. Owner: [Montidoro Andrew W](https://openairdocs.org/faa-owner/MONTIDORO%20ANDREW%20W), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)
- [Cancelled 2005-04-14](https://openairdocs.org/deregistered/N1006T-2005-04-14): Cessna 172S, S/N 172S9804, built 2005. Exported to Germany. Owner: [Globe Aero Ltd](https://openairdocs.org/faa-owner/GLOBE%20AERO%20LTD), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N1006T-undated): Weaver Bobby R ROTEC RALLY, S/N 201

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