# N4006K: Ayres S-2R, registration cancelled 1997-01-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 6, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Ayres S-2R](https://openairdocs.org/model/ayres-s-2r) (registry code 0970101)
- Serial number: 2501R
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 5, 1989
- Last registry action: June 21, 1995
- Mode S code: A4AFD5
- Owner when cancelled: [Marsh Aviation International Inc](https://openairdocs.org/faa-owner/MARSH%20AVIATION%20INTERNATIONAL%20INC)
- Location: [Mesa, AZ](https://openairdocs.org/faa-place/AZ/Mesa)
- Owner type: Corporation
- Owner's area on the map: 33.4332° N, 111.7136° W: Placed by OpenAirDocs at the center of ZIP code 85205, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4006K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4006K
- Page: https://openairdocs.org/deregistered/N4006K-1997-01-06

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 Ayres S-2R: https://openairdocs.org/model/ayres-s-2r.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 LAX96LA230](https://openairdocs.org/ntsb/LAX96LA230), Jun 14, 1996: Ayres S2R (N4006K), Oracle, AZ, destroyed. Probable cause: the pilot's improper decision to turn toward rising terrain, without releasing or jettisoning the load of fire retardant, while maneuvering at slow airspeed, which resulted in a stall/mush and…

## FAA accident and incident reports (1)

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 19960614013979A](https://openairdocs.org/incident/19960614013979A), Jun 14, 1996: Ayres S2RRESTD (N4006K), Oracle, AZ, Destroyed. Load failed release banked into rising terrain by error. Added power. Stalled. Failed to use emergency drop.

## Other aircraft with N4006K

- [Registered now](https://openairdocs.org/aircraft/N4006K): Head Balloons AX9-118, S/N 425, built 2014

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