# Accident 20090719047949A: Cessna 170B, Mahwah, NJ, July 19, 2009

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 19, 2009, 10:12 local time
- Place: Mahwah, NJ
- Damage: Substantial damage
- Phase of flight: Other, Specify
- Operating rules: General operating rules (Part 91)
- Location: 41.1083° N, 74.1633° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.1083&lon=-74.1633&mi=10
- Aircraft: N8339A, a cancelled registration (https://openairdocs.org/deregistered/N8339A-2015-05-05) (OpenAirDocs)
- Registry model: Cessna 170B (registry code 2072306, https://openairdocs.org/model/cessna-170b) (OpenAirDocs)
- Registry engine: Continental C145 series (registry code 17012, https://openairdocs.org/engine/continental-c145-series) (OpenAirDocs)
- Reported make and model: CESSNA 170B
- Reported engine: LYCOMING O-360-A1A
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 1
- Pilot certificates: Commercial pilot
- Pilot flight hours: 537 total, 182 in this make and model, 14 in the last 90 days
- NTSB investigation: [NTSB ERA09LA409](https://openairdocs.org/ntsb/ERA09LA409) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20090719047949A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON 02/26/09 N8339A WAS DETERMINED TO BE IN AIRWORTHY CONDITION BY AN ANNUAL INSPECTION. ROSE GANIM, PIC AND OWNER OF N8339A NOTED IN A PERSONAL LOG ON 06/07/09 ENGINE ROUGH/VIBRATION.  AIRCRAFT WAS BROUGHT TO SAME MAINTENANCE FACILITY AS ANNUAL, FOR INSPECTION OF THE ROUGH RUNNING ENGINE. THE ENGINE WAS INSPECTED AND A DEFECTIVE OIL RETURN TUBE WAS REPLACED ON CYLINDER #1; AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. AIRCRAFT WAS THEN FLOWN THREE TIMES, FOR 2.1 HOURS, WITHOUT INCIDENT. ON 07/19/09 MS. GANIM REPORTED A ROUGH ENGINE TO ATC AND LATER REPORTED SHE HAD LOST HALF POWER AND WOULD BE LANDING IN A FIELD.  MS. GAMIN OVERSHOT THE APPROACH AND ATTEMPTED TO EXTEND TO A NEW LANDING SITE.  AIRCRAFT MADE CONTACT WITH TREETOPS, WAS NOW IN A RIGHT TURN, AND IMPACTED A CHAIN LINK FENCE BEFORE IMPACTING A HILLSIDE.

## The NTSB's investigation of this event (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 ERA09LA409](https://openairdocs.org/ntsb/ERA09LA409), Jul 19, 2009: Cessna 170B (N8339A), Mahwah, NJ, substantial damage. Probable cause: A loss of engine power due to the failure of the No. 1 cylinder thru bolt hold down nuts due to corrosion.

## Other reports on N8339A (1)

Matched to the same aircraft by N-number and date.

- [Accident 19940816021809A](https://openairdocs.org/incident/19940816021809A), Aug 16, 1994: Cessna 170B (N8339A), Redmond, OR, Substantial damage. Floated landing on short strip. Used heavy braking but ran off end. Struck a tree stump and nosed over.

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. For accidents, the NTSB's own investigation is the fuller record.

---
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.