# N91070: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 3
- Last cancelled: May 13, 2003
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=91070
- Page: https://openairdocs.org/aircraft/N91070

## Aircraft that carried N91070

- [Cancelled 2003-05-13](https://openairdocs.org/deregistered/N91070-2003-05-13): Messerschmitt-Boelkow-Blohm-Gm BO-105C, S/N S145, built 1974. Triennial form not returned. Owner: [Petroleum Helicopters Inc](https://openairdocs.org/faa-owner/PETROLEUM%20HELICOPTERS%20INC), [Lafayette, LA](https://openairdocs.org/faa-place/LA/Lafayette)
- [Cancelled 1970-06-12](https://openairdocs.org/deregistered/N91070-1970-06-12): Douglas DC-4, S/N 7447. Owner: [Commericial Aircraft Corp](https://openairdocs.org/faa-owner/COMMERICIAL%20AIRCRAFT%20CORP), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N91070-undated): Piper PA-25-235, S/N 258156024. N-number assigned, not yet registered

## NTSB investigations on N91070 (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 FTW95IA397](https://openairdocs.org/ntsb/FTW95IA397), Sep 18, 1995: MBB BO-105C (N91070), Lafayette, LA, incident, no damage. Probable cause: a short in the 'jam proof system' solenoid valve which prevented activation of the backup hydraulic system and resulting in a cyclic hardover. Factors were the contaminated hydraulic fluid and the…

## FAA accident and incident reports on N91070 (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.

- [Incident 19950918044039I](https://openairdocs.org/incident/19950918044039I), Sep 18, 1995: Bolkms BO105C (N91070), Lafayette, LA. Narrative: on September 18, 1995, at 0940, an mbb BO-105 helicopter owned by petroleum helicopters, inc. (phi), experienced a cyclic hardover during a training…

---
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.