# N2MX: 1973 John T Monnett JR MONNETT, registration cancelled 2020-10-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 31, 2020
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [John T Monnett JR MONNETT](https://openairdocs.org/model/john-t-monnett-jr-monnett) (registry code 05639AD)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: JM1
- Year built: 1973
- Type of aircraft: Fixed wing single engine
- Kit: Monnett MONNETT MONI
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 16, 1981
- Certificate issued: July 13, 2017
- Last registry action: July 13, 2017
- Mode S code: A18E7A
- Owners when cancelled: [Erikson Gregory A](https://openairdocs.org/faa-owner/ERIKSON%20GREGORY%20A), [Erikson Jeffrey R](https://openairdocs.org/faa-owner/ERIKSON%20JEFFREY%20R)
- Location: [Poplar Grove, IL](https://openairdocs.org/faa-place/IL/Poplar%20Grove)
- Owner type: Co-owned
- Owner's area on the map: 42.4006° N, 88.8370° W: Placed by OpenAirDocs at the center of ZIP code 61065, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N2MX
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2MX
- Page: https://openairdocs.org/deregistered/N2MX-2020-10-31

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 John T Monnett JR MONNETT: https://openairdocs.org/model/john-t-monnett-jr-monnett.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 MKC90LA145](https://openairdocs.org/ntsb/MKC90LA145), Jul 13, 1990: Monnett Sonerai II (N2MX), Cherokee, IA, substantial damage. Probable cause: AIRCRAFT CONTROL NOT MAINTAINED BY THE PILOT IN COMMAND.

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