# Accident 19990207013569A: Piper PA24250, Lake Dallas, TX, February 7, 1999 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: February 7, 1999, 16:45 local time - Place: Lake Dallas, TX - Airport: Hidden Valley Airpark Airport - Damage: Substantial damage - Phase of flight: Level Off Touchdown - Operating rules: General operating rules (Part 91) - Location: 33.2293° N, 97.1791° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=33.2293&lon=-97.1791&mi=10 - Aircraft: N112WS, registered now (https://openairdocs.org/aircraft/N112WS) (OpenAirDocs) - Registry model: Piper PA-24-250 (registry code 7102404, https://openairdocs.org/model/piper-pa-24-250) (OpenAirDocs) - Registry engine: Lycoming 0-540 series (registry code 41532, https://openairdocs.org/engine/lycoming-0-540-series) (OpenAirDocs) - Reported make and model: PIPER PA24250 - Reported engine: LYC O540A1A5 - People aboard: 4 - Fatal injuries: 0 - Pilot flight hours: 774 total, 277 in this make and model, 29 in the last 90 days - NTSB investigation: [NTSB FTW99LA073](https://openairdocs.org/ntsb/FTW99LA073) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19990207013569A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. ON FEBRUARY 7,1999, AT 1645 CENTRAL STANDARD TIME, A PIPER PA-24-250 AIRPLANE, N112WS, WAS SUBSTANTIALLY DAMAGED DURING A HARD LANDING AT THE HIDDEN VALLEY AIRPARK AIRPORT, LAKE DALLAS, TEXAS. THE PRIVATE PILOT AND HIS THREE PASSENGERS WERE NOT INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE 14 CFR PART 91 FLIGHT AND NO FLIGHT PLAN WAS FILED. THE PERSONAL ORIGINATED FROM THE DENTON MUNICIPAL AIRPORT, DENTON, TEXAS, AT 1430. ACCORDING TO THE PILOT HE APPROACHED THE AIRPORT FROM THE EAST AND MADE A VISUAL APPROACH TO RUNWAY 34. THE AIRPLANE TURNED ONTO THE FINAL APPROACH LEG AND THE PILOT EXTENDED THE FLAPS TO THE "FULL DOWN" POSITION. THE AIRPLANE CONTACTED THE 1,985 FOOT LONG RUNWAY "HARD". SUBSEQUENTLY, THE LEFT MAIN LANDING GEAR AND THE NOSE LANDING GEAR COLLAPSED. THE AIRPLANE EXITED THE EAST SIDE OF THE RUNWAY ONTO GRASSY TERRAIN AND CAME TO REST UPRIGHT, ON A WESTERLY HEADING. AT 1553 THE DENTON MUNICIPAL AIRPORT, LOCATED APPROXIMATELY 10 NAUTICAL MILES WEST OF THE ACCIDENT LOCATION, REPORTED THAT THE WINDS WERE FROM 160 DEGREES AT 6 KNOTS AND THE VISIBILITY WAS 10 MILES. AN FAA INSPECTOR AND THE PILOT REPORTED THAT THE LEFT MAIN LANDING GEAR PENETRATED THE LOWER SURFACE OF THE WING SKIN. (.4) ON FEBRUARY 7, 1999, AT 1645 CENTRAL STANDARD TIME, A PIPER PA-24-250 AIRPLANE, N112WS, WAS SUBSTANTIALLY AMAGED DURING A HARD LANDING AT THE HIDDEN VALLEY AIRPARK AIRPORT, NEAR DENTON, TEXAS. THE PRIVATE PILOT, WHO WAS THE OWNER AND OPERATOR OF THE AIRPLANE, AND HIS THREE PASSENGERS WERE NOT INJURED. VISUAL METEOROLOGICAL CONDITIONS PREVAILED FOR THE TITLE 14 CFR PART 91 FLIGHT AND NO FLIGHT PLAN WAS FILED. THE PERSONAL FLIGHT ORIGINATED FROM THE MAJORS AIRPORT, GREENVILLE, TEXAS, AT 1630. ACCORDING TO THE 774 HOUR PILOT, HE APPROACHED THE AIRPORT FROM THE EAST AND MADE A VISUAL APPROACH TO RUNWAY 34. THE AIRPLANE TURNED ONTO THE FINAL APPROACH LEG AND THE PILOT "RAN THE CHECKLIST," WHICH INCLUDED EXTENDING THE FLAPS TO THE "FULL DOWN" POSITION. HE STATED THAT EVERYTHING WAS "NORMAL [,AND] WORKING PROPERLY." THE PILOT REPORTED THAT THE AIRPLANE BEGAN TO "SINK", AND HE APPLIED POWER. THE PILOT ADDED THAT THE AIRPLANE LANDED "HARD" ON THE 1,985 FOOT RUNWAY. SUBSEQUENTLY, THE LEFT MAIN LANDING GEAR AND THE NOSE LANDING GEAR COLLAPSED. THE AIRPLANE EXITED THE EAST SIDE OF THE RUNWAY SURFACE ONTO GRASSY TERRAIN AND CAME TO REST UPRIGHT, ON A WESTERLY HEADING. THE PILOT REPORTED THAT THE WEATHER CONDITIONS AT THE TIME OF THE ACCIDENT WERE CLEAR SKIES AND CALM WINDS. AN FAA INSPECTOR, WHO EXAMINED THE AIRPLANE, REPORTED THAT THE LEFT MAIN LANDING GEAR PENETRATED THE LOWER AND UPPER SECTIONS OF THE WING SKIN. ADDITIONALLY, THE NOSE GEAR COLLAPSED AND THE PROPELLER TIPS WERE CURLED. (-23)ON 2/7/99, AT 445 PM, A PIPER PA-24-250, N112WS, WAS SUBSTANTIALLY DAMAGED DURING A HARD LANDING AT THE HIDDEN VALLEY AIRPORT, LAKE DALLAS, TX. THE PILOT APPROACHED THE AIRPORT FROM THE EAST AND MADE A VISUAL APPROACH TO RUNWAY 34. THE AIRPLANE TURNED ONTO THE FINAL APPROACH AND THE PILOT EXTENDED THE FLAPS TO THE "FULL DOWN" POSITION. THE AIRPLANE CONTACTED THE RUNWAY HARD. SUBSEQUENTLY, THE LEFT MAIN LANDING GEAR AND THE NOSE LANDING GEAR COLLAPSED. THE AIRCRAFT EXITED THE EAST SIDE OF THE RUNWAY ONTO GRASSY TERRAIN AND CAME TO REST UPRIGHT, ON A WESTERLY HEADING. THE PILOT AND PASSENGERS WERE NOT INJURED. ## 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 FTW99LA073](https://openairdocs.org/ntsb/FTW99LA073), Feb 7, 1999: Piper PA-24-250 (N112WS), Denton, TX, substantial damage. Probable cause: The hard landing as a result of the pilot's failure to maintain the proper descent rate during the landing flare. ## Other reports on N112WS (2) Matched to the same aircraft by N-number and date. - [Incident 19971222044179I](https://openairdocs.org/incident/19971222044179I), Dec 22, 1997: Piper PA24250 (N112WS), Topeka, KS, Minor damage. Narrative: the aircraft landed gear up, and the pilot was unable to extend gear. Investigation revealed that the push-pull cable on the left or right main… - [Incident 19940827039149I](https://openairdocs.org/incident/19940827039149I), Aug 27, 1994: Piper PA24 (N112WS), San Angelo, TX. Landing gear folded on landing roll. 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.