# NTSB FTW91LA079: Cessna 150, N5759G, Raymondsville, TX, May 11, 1991

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 11, 1991, 15:55 local (20:55 UTC)
- Place: Raymondsville, TX
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 31, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 23333
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW91LA079
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23333/pdf
- Page: https://openairdocs.org/ntsb/FTW91LA079

## Probable cause

OIL EXHAUSTION FOR UNDETERMINED REASON. A FACTOR WAS THE SOFT TERRAIN.

## 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, cruise - normal
  - fluid,oil - exhaustion (cause)
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- Nose over, landing - roll
  - terrain condition - soft (contributing factor)

## Analysis

DURING A DAY CROSS COUNTRY FLIGHT, THE STUDENT PILOT EXPEREINCED A LOSS OF ENGINE OIL PRESSURE, FOLLOWED BY A COMPLETE LOSS OF ENGINE POWER. THE STUDENT PILOT EXECUTED A FORCED LANDING TO A LARGE OPEN AREA. DURING THE LANDING ROLL THE NOSE GEAR SANK INTO SAND AND THE AIRPLANE NOSED OVER. EXAMINATION SHOWED THE ENGINE HAD NO OIL. THERE WAS NO OIL SPILLAGE ON THE GROUND AND NONE ON THE ENGINE COWLING.

## Aircraft

- Registration: [N5759G](https://openairdocs.org/deregistered/N5759G-1992-03-31), registration cancelled 1992-03-31, S/N 15071259 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150K](https://openairdocs.org/model/cessna-150k) (registry code 2071822) (OpenAirDocs)
- Category: Airplane
- Serial number: 15071269
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Destroyed
- Flight: Instructional, Part 91
- Operator: B/S Aviation, Inc.
- Registered owner: B/S Aviation, Inc.
- Departed: LRD, LAREDO, TX
- Destination: HRL, HARLINGEN, TX
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; student; medical: class 3, valid medical--no waivers/lim.; flight hours: 80 total, 11 in this make and model, 12 in the last 90 days, 12 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 120° at 13 knots
- Visibility: 15 statute miles
- Lowest ceiling: none

## 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 19910511058789A](https://openairdocs.org/incident/19910511058789A), May 11, 1991: Cessna 150K, Raymondville, TX, Substantial damage. Lost oil pressure. Nosed over on forced landing. No oil in engine. Engine had seized from lack of lubrication.

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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