# N90541: 1941 North American HARVARD MKII, registration cancelled 2010-09-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 16, 2010
- Exported to: Germany
- Status when cancelled: Valid registration
- Airframe: [North American HARVARD MKII](https://openairdocs.org/model/north-american-harvard-mkii) (registry code 6400442)
- Engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016)
- Serial number: 3771
- Year built: 1941
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: February 11, 1990
- Certificate issued: July 20, 2007
- Last registry action: December 15, 2009
- Mode S code: AC84BD
- Owner when cancelled: [Busch Steffen](https://openairdocs.org/faa-owner/BUSCH%20STEFFEN)
- Location: Neckartailfingen, Germany
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N90541
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90541
- Page: https://openairdocs.org/deregistered/N90541-2010-09-16

From the FAA registry file of October 31, 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 North American HARVARD MKII: https://openairdocs.org/model/north-american-harvard-mkii.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 DEN92LA056](https://openairdocs.org/ntsb/DEN92LA056), Jun 8, 1992: North American Harvard MK-II (N90541), Watkins, CO, destroyed. Probable cause: THE PILOT INADVERTENTLY STALLING THE AIRPLANE. FACTORS INCLUDED: THE PILOT'S FAILURE TO MAINTAIN DIRECTIONAL CONTROL ON TAKEOFF, AND INADEQUATE AIRSPEED.

## 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 19920607018379A](https://openairdocs.org/incident/19920607018379A), Jun 7, 1992: Namer HARVARDMK2 (N90541), Denver, CO, Substantial damage. Lost directional control on takeoff. Zig zagged. Lifted in ground effect. Dragged a wing and cartwheeled.

## Other aircraft with N90541

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N90541-undated): Britten-Norman BN-2A, S/N C299. N-number assigned, not yet registered

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
