# N121LR: Ratliff Lonnie W MM-1, registration cancelled 1989-09-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 13, 1989
- Status when cancelled: Triennial form not returned
- Airframe: [Ratliff Lonnie W MM-1](https://openairdocs.org/model/ratliff-lonnie-w-mm-1) (registry code 1690516)
- Serial number: 1210
- Type of aircraft: Fixed wing single engine
- Mode S code: A05873
- The mark today: https://openairdocs.org/aircraft/N121LR
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121LR
- Page: https://openairdocs.org/deregistered/N121LR-1989-09-13

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 Ratliff Lonnie W MM-1: https://openairdocs.org/model/ratliff-lonnie-w-mm-1.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 ATL86FLT04](https://openairdocs.org/ntsb/ATL86FLT04), Nov 9, 1985: Lonnie W. Ratliff Midget Mustang MM-1 (N121LR), Raymond, MS, substantial damage, 1 fatal

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