# Accident 19991013042669A: Scwzer SGS233A, Waialua, HI, October 13, 1999 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: October 13, 1999, 14:27 local time - Place: Waialua, HI - Damage: Substantial damage - Phase of flight: Forced/Precautionary Landing - Operating rules: General operating rules (Part 91) - Location: 21.5706° N, 158.1194° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=21.5706&lon=-158.1194&mi=10 - Aircraft: N17914, registered now (https://openairdocs.org/aircraft/N17914) (OpenAirDocs) - Registry model: Schweizer SGS 2-33A (registry code 8051606, https://openairdocs.org/model/schweizer-sgs-2-33a) (OpenAirDocs) - Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs) - Reported make and model: SCWZER SGS233A - People aboard: 1 - Fatal injuries: 0 - Pilot flight hours: 11,900 total, 9 in this make and model, 63 in the last 90 days - NTSB investigation: [NTSB LAX00LA009](https://openairdocs.org/ntsb/LAX00LA009) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/19991013042669A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.4)PRIOR TO DEPARTURE FOR A SUPERVISED SOLO INSTRUCTIONAL FLIGHT, THE PILOT HAD OBTAINED WEATHER INFORMATION FROM LOCAL GLIDER PILOT'S, AND CHECKING THE WINDSOCKS LOCATED AT EACH END, AND MIDFIELD OF THE AIRPORT. HE INDICATED THAT THE WINDS WERE FROM THE NORTHEAST DUE TO NORTHEAST TRADE WINDS, AND RUNWAY 8 WAS IN USE. NO DISCREPANCIES WERE NOTED WITH THE TAKEOFF. AT 2,000 FEET AGL HE RELEASED THE GLIDER FROM THE TOW PLANE, AND NOTED A LOSS OF ALTITUDE. HE TURNED TO THE NORTH AWAY FROM A RIDGE WHERE A STRONG SINK RATE HAD BEEN REPORTED AND PROCEEDED TO THE PRACTICE AREA. HE MADE AN ATTEMPT TO RETURN TO THE AIRPORT AFTER A CONTINUED LOSS OF ALTITUDE. PRIOR TO THE FORCED LANDING ON A SUGAR CANE ACCESS ROAD, HE NOTED THAT THE WINDS WERE FROM THE NORTHEAST AND THEN LANDED ON THE ROAD. DURING THE LANDING ROLLOUT THE LEFT WING CONTACTED A DIRT BERM. THE GLIDER TURNED 180-DEGREES FROM THE DIRECTION OF TRAVEL AND CAME TO REST IN A DITCH. NO DISCREPANCIES WERE NOTED WITH THE GLIDER BY THE PILOT. (-23)STUDENT GLIDER PILOT HIT AN AREA OF SINK EAST OF DILLINGHAM FIELD AND ELECTED TO LAND ON A DIRT ROAD APPROXIMATELY 2 MILES EAST OF THE FIELD. DUR ING THE LANDING AIRCRAFT LEFT WING IMPACTED SCRUB BRUSH AND A DIRT MOUND CAUSING THE AIRCRAFT TO VEER LEFT. AIRCRAFT MADE A 180 DEGREE TURN AND SLID OFF OF THE DIRT ROAD INTO A DITCH. AIRCRAFT LANDED DOWNWIND FROM WEST TO EAST IN APPROXIMATELY 8 KNOTS OF WIND, WITH SLIGHT GUSTS. 140 ELEVATION LEVEL. FINAL AIRCRAFT HEADING 310 DEGREES. WEATHER ESTIMATED AT A 3,000 FT OVERCAST. ## 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 LAX00LA009](https://openairdocs.org/ntsb/LAX00LA009), Oct 14, 1999: Schweizer SGS-2-33A (N17914), Waialua, HI, substantial damage. Probable cause: The pilot's delay in recognizing the onset of a wind direction change resulting in the downward flow of wind on the leeward side of the mountain (strong sink rate). ## Other reports on N17914 (3) Matched to the same aircraft by N-number and date. - [Incident 19980718027679I](https://openairdocs.org/incident/19980718027679I), Jul 18, 1998: Scwzer SGS233A (N17914), Mokuleia, HI. Solo student josh s. lannom landed short of runway 8. He was solo'd on his 17th glider flight by cap instructor drew flood. On the 20th glider the student… - [Incident 19980717027669I](https://openairdocs.org/incident/19980717027669I), Jul 17, 1998: Scwzer SGS233A (N17914), Mokuleia, HI. A cap student pilot hurt while running a wing for another student pilot during an auto tow launch. As reported to inspector hamilton at Dillingham airport, the… - [Incident 19980713027689I](https://openairdocs.org/incident/19980713027689I), Jul 13, 1998: Scwzer SGS233A (N17914), Mokuleia, HI, 1 fatal. The CFI stated: civil air patrol glider with cfig giving instruction to a cap cadet. On auto tow takeodd, the cfig felt the glider slow. Raising the nose did… 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.