Ex-military planes, such as the former Singapore Air Force S-211 Marchetti that Gale flew, are not required to meet typical civil aviation standards or fly with the same degree of safety as other aircraft.

Source: https://www.smh.com.au/national/victoria/wreckage-of-crashed-jet-pulled-from-port-phillip-bay-20231125-p5emqk.html?ref=rss&utm_medium=rss&utm_source=rss_feed

It is believed the plane was one of two Viper S-211 Marchetti aircraft conducting a civilian run formation flight about 12km west of Mount Martha.

Source: https://www.perthnow.com.au/news/disaster-and-emergency/search-continues-after-ex-army-jet-crashes-into-water-c-12610873

Marchetti is limited by arthritis in her feet but still gets out and runs and walks a little and is happy to visit an eagles’ nest where she lives on the shore on her daily jaunts.

Source: https://www.courant.com/2023/04/16/i-still-have-nightmares-ct-runners-race-timer-recall-the-terror-of-the-boston-marathon-bombing-10-years-later/

Two light Viper S-211 Marchetti planes collided mid-air about 12 kilometres west of Mount Martha on Victoria’s Mornington Peninsula, the Australian Maritime Safety Authority said.

Source: https://www.smh.com.au/national/victoria/jet-crashes-into-port-phillip-bay-emergency-services-searching-water-20231119-p5el4e.html?ref=rss&utm_medium=rss&utm_source=rss_feed