# Accident 20020525034569A: Gulstm 500S, La Porte, TX, May 25, 2002

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 25, 2002, 13:00 local time
- Place: La Porte, TX
- Airport: La Porte Municipal Airport
- Damage: Substantial damage
- Phase of flight: Roll-Out (Fixed Wing)
- Operating rules: General operating rules (Part 91)
- Location: 29.6692° N, 95.0642° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=29.6692&lon=-95.0642&mi=10
- Aircraft: N98TT, a cancelled registration (https://openairdocs.org/deregistered/N98TT-2013-05-10) (OpenAirDocs)
- Registry model: Aero Commander 500 S (registry code 0141107, https://openairdocs.org/model/aero-commander-500-s) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: GULSTM 500S
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 3,120 total, 750 in this make and model, 55 in the last 90 days
- NTSB investigation: [NTSB FTW02LA167](https://openairdocs.org/ntsb/FTW02LA167) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20020525034569A

## Narrative

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

(.19) ON MAY 25, 2002, AT 1300 CENTRAL DAYLIGHT TIME, AN AERO COMMANDER 500-S TWIN-ENGINE AIRPLANE, N98TT, WAS SUBSTANTIALLY DAMAGED DURING LANDING ROLL AT THE LA PORTE MUNICIPAL AIRPORT NEAR LA PORTE, TEXAS. THE AIRPLANE WAS REGISTERED TO AND OPERATED BY MAX BOWEN ENTERPRISES OF LEAGUE CITY, TEXAS. THE COMMERCIAL PILOT AND THE TWO PASSENGERS WERE NOT INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED, AND FLIGHT PLAN WAS NOT FILED FOR THE 14 CODE OF FEDERAL REGULATIONS PART 91 BUSINESS FLIGHT. THE FLIGHT ORIGINATED FROM GATESVILLE, TEXAS, AT 1125. PRELIMINARY INFORMATION INDICATES THAT AFTER TOUCHDOWN ON RUNWAY 14, BRAKE PRESSURE WAS LOST, AND THE AIRPLANE RAN OFF THE END OF THE RUNWAY AND WENT THROUGH A FENCE AND DITCH BEFORE COMING TO A STOP. THE FAA INSPECTOR, WHO RESPONDED TO THE ACCIDENT SITE, REPORTED THAT THE AIRPLANE'S NOSE AND NOSE LANDING GEAR WERE DAMAGED, AND THE LEFT WING SUSTAINED SUBSTANTIAL DAMAGE. THE INSPECTOR FURTHER REPORTED THAT A HYDRAULIC LINE HAD FAILED. (-23) SUBSTANTIAL DAMAGE TO THE AIRCRAFT, BUT NO INJURIES, WHEN THIS SHRIKE COMMANDER LANDED AND RAN OFF THE END OF THE 3,981 FOOT LONG RUNWAY AND IMP                                                       ACTED A FENCE AND A 2 FOOT DEEP DITCH. THE PILOT REPORTED THAT HE HAD EXTENDED LANDING GEAR AND FULL FLAPS IN A NORMAL MANNER, BUT HE DISCOVERED A TOTAL HYDRAULIC SYSTEM FAILURE AFTER TOUCH-DOWN ON RUNWAY 12. DURING THE LANDING ROLLOUT THE PILOT REPORTED A COMPLETE LOSS OF NOSEWHEEL STEERING AND A COMPLETE LOSS OF WHEEL BRAKES. POST ACCIDENT EXAMINATION OF THE AIRCRAFT SHOWED THE HYDRAULIC RESERVOIR WAS EMPTY AND THE AFT SECTION OF THE RIGHT ENGINE NACELLE, RIGHT WING ROOT AREA, AND RIGHT EMPENNAGE WERE COVERED IN HYDRAULIC FLUID. AN IA MECHANIC WHO EXAMINED THE WRECKAGE ON THE DAY OF THE ACCIDENT REPORTED THAT THIS AIRCRAFT HAD A MAINTENANCE HISTORY OF A PREVIOUS FAILURE OF A HYDRAULIC LINE WHERE THE LINE RUBBED ON THE PHENOLIC BLOCK THAT SUPPORTED THE HYDRAULIC LINE. HAVE BEEN UNABLE TO DETERMINE THE EXACT LOCATION OF THE HYDRAULIC LEAK.

## 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 FTW02LA167](https://openairdocs.org/ntsb/FTW02LA167), May 25, 2002: Aero Commander 500-S (N98TT), La Porte, TX, substantial damage. Probable cause: The failure of a hydraulic line, which resulted in the loss of the brakes.

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.

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