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| Title: | Struck trees short of runway, Texas International Airlines, Inc., Douglas DC-9, N1308T, Harlingen, Texas, January 11, 1970 |
| Micro summary: | This Douglas DC-9 struck trees and poles short of the original runway during a non-precision approach. |
| Event Time: | 1970-01-11 at 0700 CST |
| File Name: | 1970-01-11-US.pdf |
| Publishing Agency: | National Transportation Safety Board (NTSB) |
| Publishing Country: | USA |
| Report number: | NTSB-AAR-1970-28 |
| Pages: | 30 |
| Site of event: | Approach, 12000' short of Harlingen Industrial Airpark |
| Departure: | McAllen-Miller International Airport, McAllen, Texas |
| Destination: | Harlingen Industrial Airpark, Harlingen, Texas, USA |
| Airplane Type(s): | Douglas DC-9 |
| Flight Phase: | Landing |
| Registration(s): | N1308T |
| Operator(s): | Texas International Airlines |
| Type of flight: | Revenue |
| Occupants: | 41 |
| Fatalities: | 0 |
| Serious Injuries: | 0 |
| Minor/Non-Injured: | 41 |
| Other Injuries: | 0 |
| Executive Summary: | Texas International Airlines, Inc. (TXI), Douglas DC-9, N1308T, Flight 926, struck a tree and two power poles, 12,000 feet short of the runway threshold, during a predawn instrument approach to Harlingen Industrial Airpark, Barlingen, Texas, at 0700 CST on January 11, 1970. After the aircraft struck the tree and power poles, the flightcrew executed a "missed approach" and proceeded to Intercontinental Airport, Houston, Texas, where a safe landing was made. The aircraft sustained substantial damage as a result of striking the tree and poles. Forty-one persons -- four crewmembers and 37 passengers -- were aboard the aircraft. There were no injuries. TXI Flight 926 is a regularly scheduled domestic passenger/cargo flight which originates at McAllen, Texas, and terminates at Dallas, Texas, with scheduled en route stops at Harlingen and Houston, Texas. Flight 926 of January 11 took off from McAllen at 0651. The scheduled flight departure time was 0630. Reported weather conditions at Harlingen at the time the accident occurred were: sky partially obscured, visibility 112 mile in fog. The Safety Board determines that the probable cause of this accident was the continuation of the descent, during actual Instrument conditions, through the Minlmim Descent Altitude and into ground obstructions as a result of Inadequate flightcrew monitoring of the aircraft altimeters. A contributing factor was a lack of awareness by the flightcrew of the actual meteorological conditions, caused by crew fatigue, aud company workload priorities which prevented normal air-to-ground communications and deferred the dissemination of essential meteorological information. |
| Learning Keywords: | Operations - Airspace - Non-Precision Approach |
| Operations - In-flight Collision with Ground Structure | |
| Operations - Unstabilized Approach | |
| Other - Crew Fatigue |
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