# N9981: 1970 Robert Lindsay B-8M, registration cancelled 2013-03-25

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 25, 2013
- Status when cancelled: Sale reported, canceled
- Airframe: [Robert Lindsay B-8M](https://openairdocs.org/model/robert-lindsay-b-8m) (registry code 13007C6)
- Engine: [Mcculloch 4318A&E/0-100](https://openairdocs.org/engine/mcculloch-4318a-e-0-100) (registry code 43101)
- Serial number: RKLG-1
- Year built: 1970
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 16, 1979
- Last registry action: March 14, 1981
- Mode S code: ADF2D6
- Location: [Florissant, MO](https://openairdocs.org/faa-place/MO/Florissant)
- Owner type: Individual
- Owner's area on the map: 39.5113° N, 91.1169° W: Placed by OpenAirDocs at the center of ZIP code 63433, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9981
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9981
- Page: https://openairdocs.org/deregistered/N9981-2013-03-25

From the FAA registry file of November 4, 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 Robert Lindsay B-8M: https://openairdocs.org/model/robert-lindsay-b-8m.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 MKC80FCA22](https://openairdocs.org/ntsb/MKC80FCA22), Jul 19, 1980: Bensen B8M (N9981), Montgomery Cy, MO, substantial damage, 1 fatal

## 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 19800719025629A](https://openairdocs.org/incident/19800719025629A), Jul 19, 1980: Amtrbx BENSENB8M (N9981), Montgomery, MO, Substantial damage. Gyroplane struck wires while circling airport.

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