# N5NP: 1970 Aero Commander 681, registration cancelled 2012-08-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 10, 2012
- Status when cancelled: Revoked, canceled
- Airframe: [Aero Commander 681](https://openairdocs.org/model/aero-commander-681) (registry code 0141718)
- Engine: [AiResearch 331 SER 605HP](https://openairdocs.org/engine/airesearch-331-ser-605hp) (registry code 01502)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4) (OpenAirDocs)
- Serial number: 6042
- Year built: 1970
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard
- Certificate issued: March 29, 1971
- Last registry action: February 19, 1977
- Mode S code: A63678
- Owner when cancelled: [Spad](https://openairdocs.org/faa-owner/SPAD)
- Location: [Milwaukee, WI](https://openairdocs.org/faa-place/WI/Milwaukee)
- Owner type: Partnership
- Owner's area on the map: 43.0454° N, 87.8912° W: Placed by OpenAirDocs at the center of ZIP code 53202, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5NP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5NP
- Page: https://openairdocs.org/deregistered/N5NP-2012-08-10

From the FAA registry file of October 28, 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 681: https://openairdocs.org/model/aero-commander-681.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 IAD78FA048](https://openairdocs.org/ntsb/IAD78FA048), Mar 8, 1978: Aero Comdr 681 (N5NP), Greenup, KY, destroyed, 3 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 19780308036739A](https://openairdocs.org/incident/19780308036739A), Mar 8, 1978: Rkwell 690 (N5NP), Greenup, KY, Destroyed, 1 fatal

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