# NTSB NYC91LA182: Cessna 152, N6489B, Springwater, NY, July 17, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 17, 1991, 09:30 local (13:30 UTC)
- Place: Springwater, NY
- Coordinates: 42.680233, -77.570014 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.6802&lon=-77.5700&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 7, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 36966
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC91LA182
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36966/pdf
- Page: https://openairdocs.org/ntsb/NYC91LA182

## Probable cause

THE ON GROUND COLLISION WITH TREES DURING A FORCED LANDING AFTER THE PILOT EXPERIENCED AN ENGINE FAILURE DUE TO A BROKEN EXHAUST VALVE.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, maneuvering - turn to reverse direction
  - engine assembly,valve,exhaust - failure,total (contributing factor)
  - emergency procedure - initiated, pilot in command
- Forced landing, descent - emergency
- In flight collision with object, descent - emergency
  - object - tree(s)

## Analysis

THE PILOT STATED THAT WHILE MANEUVERING THE AIRPLANE AT ABOUT 700 FEET AGL THE ENGINE QUIT. THE PILOT MADE A FORCED LANDING IN A FIELD AND BEFORE HE WAS ABLE TO STOP, THE AIRPLANE HIT TREES. EXAMINATION OF THE ENGINE REVEALED THE NUMBER FOUR EXHAUST VALVE FAILED.

## Aircraft

- Registration: [N6489B](https://openairdocs.org/deregistered/N6489B-1993-03-29), registration cancelled 1993-03-29, S/N 15283940 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Category: Airplane
- Serial number: 15283940
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Operator: State Aerial Farm Statistics
- Registered owner: State Aerial Farm Statistics
- Last inspection: Unknown, January 2, 2000
- Departed: DSV, DANSVILLE, NY

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 27; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; flight hours: 1,160 total, 550 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 10 knots
- Visibility: 12 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 61 °F

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19910717027699A](https://openairdocs.org/incident/19910717027699A), Jul 17, 1991: Cessna 152, Springwater, NY, Substantial damage. Engine quit during low altitude photo flight. On landing struck trees. Exhaust valve and guide failed NR4 cylinder.

## Other investigations on N6489B (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 CHI82DA313](https://openairdocs.org/ntsb/CHI82DA313), Jul 29, 1982: Cessna 152 (N6489B), Chatfield, MN, substantial damage

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.

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