A frantic search for a missing F-35B whose pilot safely ejected ended late on Sept. 18 after U.S. military officials discovered a debris field in a remote area of South Carolina. 

The roughly 28-hr. search for the Lockheed Martin-made stealth fighter included an unusual request to the public for any tips on the F-35B’ss whereabouts and prompted the U.S. Marine Corps to announce a two-day aviation standdown to review safety procedures.

 The pilot was found on South Kenwood Avenue on the afternoon of Sept. 17 after ejecting less than a mile from the runway at Charleston International Airport, local news reports say. The pilot was transferred to a local hospital in stable condition, according to a statement by Joint Base Charleston. 

But the aircraft continued flying in a northeasterly direction until finally crashing about “two hours northeast of Joint Base Charleston” in Williamsburg County, South Carolina, the Marine Corps said in a statement. If the hourly measurement referred to a driving distance, that would have put the debris field in the far northeastern corner of Williamsburg County.

Until the crash location was discovered, however, military officials faced the unlikely security threat of a missing advanced weapon system with several classified technologies onboard. In a sign of the military’s desperation for clues, Joint Base Charleston published a public plea for tips within an hour of the pilot’s ejection.

“If you have any information on the whereabouts of the F-35 that would help the recovery team, please call the JB Charleston Base Defense Operations Center,” the base said on a social media channels.

More than an hour after releasing the initial statement, the base released a quick update that narrowed the search for the F-35B to a remote, boggy area north of Charleston.

The F-35B belonged to the 2nd Marine Aircraft Wing’s Marine Fighter Attack Training Squadron 501, which is based at Marine Corps Base Beaufort, South Carolina.

In a statement, the wing said the incident was under investigation and since it is ongoing, additional details would not be releasable “to preserve the integrity of the investigatory process.”

Following the incident, Marine Corps Acting Commandant Gen. Eric Smith ordered the two-day pause in operations. During the stand down, aviation commanders are directed to discuss safe flight operations, ground safety, maintenance and flight procedures with their Marines.

The stand down comes less than a month after Smith ordered a review of safety policies and procedures after an MV-22 Osprey crashed during a training exercise in Australia, killing five Marines.

The wing suffered another F-35B crash in 2018 due to a manufacturing flaw in a fuel tube, but the pilot safely ejected.

If an aircraft is equipped with an ejection seat, the location of the crash site is normally proximate to where the ejected pilot lands. But there have been cases where an aircraft continued flying for hundreds of miles after the pilot ejected.

In 1989, for example, a Soviet Air Force Mikoyan MiG-23 crashed in Belgium, but that was 600 mi. from where the pilot ejected over Poland. The pilot ejected after the afterburner failed and the aircraft began descending, but after his ejection the engine kept running and the aircraft continued flying on autopilot.