# NTSB FTW97LA054: Let L23, N290SB, Bryan, TX, December 2, 1996 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: December 2, 1996, 15:45 local (21:45 UTC) - Place: Bryan, TX - Coordinates: 30.799871, -96.309364 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=30.7999&lon=-96.3094&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report April 3, 1997 - Report: Approved by Office Director - NTSB case key (mKey): 20120 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW97LA054 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/20120/pdf - Page: https://openairdocs.org/ntsb/FTW97LA054 ## Probable cause the pilot misjudged his distance and altitude during the landing approach. Factors relating to the accident were: the high obstructions (power lines), and subsequent tailwind during the forced landing. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - On ground/water collision with object, landing - distance/altitude - misjudged, pilot in command (cause) - terrain condition - high obstruction(s) (contributing factor) - maneuver to avoid obstructions - performed, pilot in command - weather condition - tailwind (contributing factor) - object - fence post (contributing factor) ## Analysis According to the pilot, the glider was released from the tow plane at 3,000 feet. After soaring for approximately 25 minutes in the vicinity of the airport, he maneuvered the glider to land on runway 17. The pilot added that on final approach, at approximately 250 feet AGL, 'the sail plane encountered a sink' and he realized that he would not be able to clear power lines at the approach end of the runway. The pilot stated that he elected to execute an 'off airport landing' in a field north of his position. The pilot turned right and executed a downwind landing with a 15 knot tailwind in the field that he had selected. During the landing roll, the root of the glider's right wing impacted a fence post. ## Factual narrative On December 2, 1996, at 1545 central standard time, a Let L23 glider, N290SB, was substantially damaged while landing near Bryan, Texas. The glider, owned and operated by West Wings Aviation of Bryan, Texas, was being operated under Title 14 CFR Part 91. The commercial pilot, sole occupant of the aircraft, was not injured. Visual meteorological conditions prevailed for the personal local flight for which a flight plan was not filed. The glider departed in tow from Coulter Field at 1515. According to the pilot, the glider was released from the tow plane at 3,000 feet. After soaring for approximately 25 minutes in the vicinity of the airport, he maneuvered the glider to land on runway 17. The pilot added that on final approach, at approximately 250 feet AGL, "the sail plane encountered a sink" and he realized that he would not be able to reach the airport and clear the power lines at the approach end of the runway. The pilot stated that he elected to execute an "off airport landing" in a field north of his position. The pilot turned right and executed a downwind landing in the field he selected. The pilot added that the 15 knot tailwind substantially increased the glider's ground speed and ground roll. During the landing roll, the root of the glider's right wing impacted a fence post resulting in a loss of control. Post accident examination of the glider by the operator revealed structural damage to the airframe as well as the right wing. The pilot stated that the winds at the time of the accident were from 180 degrees at 15 knots. The commercial pilot was rated in single and multi-engine airplanes. He was properly endorsed by a flight instructor for solo flights in the glider and had accumulated a total of 8.9 hours in gliders, of which 4 hours were solo. ## Aircraft - Registration: [N290SB](https://openairdocs.org/aircraft/N290SB), registered now, S/N 938029 (OpenAirDocs) - Reported make and model: Let L23 - Registry model: [Let L-23 SUPER BLANIK](https://openairdocs.org/model/let-l-23-super-blanik) (registry code 1360308) (OpenAirDocs) - Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs) - Category: Glider - Serial number: 938029 - Airframe hours: 443 - Engines: unknown - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Gary Gandy & Paul Nabors - Airworthiness certificate: Standard, Utility - Last inspection: Annual, March 31, 1996, 51 hours before - Departed: CFD - Destination: CFD ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 28; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 642 total, 9 in this make and model, 580 as pilot in command, 85 in the last 90 days, 44 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 180° at 15 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 64 °F ## 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 19961202042369A](https://openairdocs.org/incident/19961202042369A), Dec 2, 1996: Let L23, Bryan, TX, Substantial damage. Downdraft on approach to glider port. Turned made downwind landing in a field. Wing hit post. Student glider pilot. (-23) pilot found himself too low on final.… 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. --- 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.