|
| Title: | Wing Failure Of Boeing 747-131, near Madrid, Spain, May 9, 1976 |
| Micro summary: | This Boeing 747-131 experienced a wing failure while approaching its destination airport in a thunderstorm. |
| Event Time: | 1976-05-09 at 1430 GMT |
| File Name: | 1976-05-09-US.pdf |
| Publishing Agency: | National Transportation Safety Board (NTSB) |
| Publishing Country: | USA |
| Report number: | NTSB-AAR-78-12 |
| Pages: | 42 |
| Site of event: | Near Madrid |
| Latitude/Longitude: | Not specified |
| Departure: | Mehrabad International Airport, Teheran, Iran |
| Destination: | Madrid |
| Airplane Type(s): | Boeing 747-131 |
| Flight Phase: | Approach |
| Registration(s): | Serial No. 5-283 |
| Operator(s): | Imperial Iranian Air Force |
| Type of flight: | Revenue |
| Occupants: | 0 |
| Fatalities: | 0 |
| Serious Injuries: | 0 |
| Minor/Non-Injured: | 0 |
| Other Injuries: | 0 |
| Executive Summary: | On May 9, 1976, an Imperial Iranian Air Force Boeing 747-131 crashed as it approached Madrid, Spain. Witnesses observed lightning strike the aircraft followed by fire, explosion, and separation of the left wing. The report includes fire pattern studies, structural failure descriptions, trajectory analysis, fuel flammability calculations, gust loading analysis, and an analytical treatment of several hypotheses. |
| Learning Keywords: | Operations - Lightning |
| Consequence - Damage - Airframe or fuselage | |
| Consequence - Hull Loss |
Accident Reports on DVD, Copyright © 2006 by Flight Simulation Systems, LLC. All Rights Reserved. All referenced trademarks are the property of their respective owners.www.fss.aero