# N6891S: 1956 Aero Commander 680, registration cancelled 2015-05-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 19, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Aero Commander 680](https://openairdocs.org/model/aero-commander-680) (registry code 0141602)
- Engine: [Lycoming GSO&IGSO-480 series](https://openairdocs.org/engine/lycoming-gso-igso-480-series) (registry code 41529)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS E-284](https://openairdocs.org/tcds/E-284) (OpenAirDocs)
- Serial number: 680-417-92
- Year built: 1956
- Type of aircraft: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: October 22, 1956
- Certificate issued: August 28, 1978
- Last registry action: June 5, 1982
- Mode S code: A92732
- Owners when cancelled: [Mehlhaff Jerry K DBA](https://openairdocs.org/faa-owner/MEHLHAFF%20JERRY%20K%20DBA), [Fox River Aviation](https://openairdocs.org/faa-owner/FOX%20RIVER%20AVIATION)
- Location: [Burlington, WI](https://openairdocs.org/faa-place/WI/Burlington)
- Owner type: Individual
- Owner's area on the map: 42.6655° N, 88.2805° W: Placed by OpenAirDocs at the center of ZIP code 53105, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6891S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6891S
- Page: https://openairdocs.org/deregistered/N6891S-2015-05-19

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 Aero Commander 680: https://openairdocs.org/model/aero-commander-680.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 CHI75DEM22](https://openairdocs.org/ntsb/CHI75DEM22), Jan 6, 1975: Aero Comdr 680 (N6891S), Big Rapids, MI, substantial damage

## 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 19750106000719A](https://openairdocs.org/incident/19750106000719A), Jan 6, 1975: Rkwell 680 (N6891S), Big Rapids, MI, Substantial damage. Plt rptd dscnt to mda lvld off heard loud bang. Alt,sys and facility ckd ok. Acft rptd circling.

## Other aircraft with N6891S

- [Registered now](https://openairdocs.org/aircraft/N6891S): Piper PA 46-350P, S/N 4636807, built 2022

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