![An airman unscrews an access panel of an F-16 Fighting Falcon aircraft wing for maintenance during exercise COPE ELITE '81. The airman is from the 428th Tactical Fighter Squadron, 474th Tactical Fighter An airman unscrews an access panel of an F-16 Fighting Falcon aircraft wing for maintenance during exercise COPE ELITE '81. The airman is from the 428th Tactical Fighter Squadron, 474th Tactical Fighter](https://cdn10.picryl.com/photo/1981/11/12/an-airman-unscrews-an-access-panel-of-an-f-16-fighting-falcon-aircraft-wing-8f1066-1024.jpg)
An airman unscrews an access panel of an F-16 Fighting Falcon aircraft wing for maintenance during exercise COPE ELITE '81. The airman is from the 428th Tactical Fighter Squadron, 474th Tactical Fighter
![The V-22 production nacelle, showing access panels to the engine. Sail... | Download Scientific Diagram The V-22 production nacelle, showing access panels to the engine. Sail... | Download Scientific Diagram](https://www.researchgate.net/publication/289183764/figure/fig3/AS:570047702552576@1512921371135/The-V-22-production-nacelle-showing-access-panels-to-the-engine-Sail-placement-was.png)
The V-22 production nacelle, showing access panels to the engine. Sail... | Download Scientific Diagram
![File:JASDF C-1(68-1018) access panels(right bulge) at Komaki Air Base February 23, 2014.jpg - Wikimedia Commons File:JASDF C-1(68-1018) access panels(right bulge) at Komaki Air Base February 23, 2014.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/8/87/JASDF_C-1%2868-1018%29_access_panels%28right_bulge%29_at_Komaki_Air_Base_February_23%2C_2014.jpg)
File:JASDF C-1(68-1018) access panels(right bulge) at Komaki Air Base February 23, 2014.jpg - Wikimedia Commons
![Aircraft Engine, Fire Access Panel. 1958 Vickers Viscount 406. Editorial Photo - Image of aviation, frangible: 137468791 Aircraft Engine, Fire Access Panel. 1958 Vickers Viscount 406. Editorial Photo - Image of aviation, frangible: 137468791](https://thumbs.dreamstime.com/b/bright-red-frangible-panel-allowing-quick-access-fire-fighting-equipment-to-one-four-rolls-royce-dart-engines-vickers-137468791.jpg)