# Accident 19981205046969A: Cessna 150D, Adjuntas, December 5, 1998

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 5, 1998, 14:00 local time
- Place: Adjuntas
- Damage: No damage
- Operating rules: General operating rules (Part 91)
- Aircraft: N5957T, a cancelled registration (https://openairdocs.org/deregistered/N5957T-2014-10-29) (OpenAirDocs)
- Registry model: Cessna 150D (registry code 2071810, https://openairdocs.org/model/cessna-150d) (OpenAirDocs)
- Registry engine: Continental 0-200 series (registry code 17020, https://openairdocs.org/engine/continental-0-200-series) (OpenAirDocs)
- Reported make and model: CESSNA 150D
- NTSB investigation: [NTSB ATL99LA029](https://openairdocs.org/ntsb/ATL99LA029) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19981205046969A

## Narrative

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

(-23) ON DECEMBER 5, 1998, AT 1400 EST, A CESSNA 150-D N5957T, COLLIDED WITH THE GROUND DURING AN ATTEMPTED EMERGENCY LANDING AT A PRIVATE SOD AIRSTRIP NEAR ADJUNTAS, PUERTO RICO. THE PERSONAL FLIGHT WAS OPERATED BY THE PILOT UNDER PROVISIONS OF TITLE 14 CFR PART 91 AND VFR. VISUAL WEATHER CONDITIONS PREVAILED AT THE TIME OF THE ACCIDENT, NO FLIGHT PLAN WAS FILED. THE AIRPLANE SUSTAINED SUBSTANTIAL AIRFRAME DAMAGE, AND THE PRIVATE PILOT WAS NOT INJURED. THE ACCIDENT OCCURED DURING THE INITIAL CLIMB AFTER TAKE OFF. THE PILOT STATED THAT, DURING THE INITIAL CLIMB AFTER TAKEOFF, THE ENGINE LOST POWER AND WAS UNABLE TO MAINTAIN ALTITUDE. THE PILOT ELECTED TO RETURN TO THE AIRPORT FOR AN EMERGENCY LANDING. THE PILOT WAS FORCED TO LAND IN A GRASSY AREA SHORT OF THE RUNWAY. THE ENGINE EXAMINATION DISCLOSED THE #3 CYLINDER HAD NO COMPRESSION.

## 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 ATL99LA029](https://openairdocs.org/ntsb/ATL99LA029), Dec 5, 1998: Cessna 150B (N5957T), Adjuntas, PR, substantial damage. Probable cause: The loss of engine power due to the restricted movement of the intake and exhaust valves on number 3 cylinder.

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.