Chris Gibson (North Sea Delta witness)

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Chris Gibson (sometimes incorrectly named in sources as Chris Hudson) is an internationally-renown expert on military aircraft recognition. He is famous for his sighting of an aircraft (the "North Sea Delta"), apparently the mysterious Aurora hypersonic spyplane. Gibson was 30 at the time of the sighting, and was in the Royal Observer Corps (ROC) aircraft recognition team for 12 years up until 1991.

[edit] The North Sea sighting, August 1989

In late August 1989, while working as an engineer on a North Sea oil platform, "Galveston Key", Gibson and his friend saw an unfamiliar isosceles triangle-shaped delta aircraft, apparently refuelling from a KC-135 Stratotanker and accompanied by a pair of F-111 fighter bombers (right side image). The Stratotanker was fitted with the "old" Pratt & Whitney JT3C turbojet engines, not the later CFM-56 turbofans, and the F-111s had their wings in the unswept position. Gibson and his friend observed this spectacle for several minutes, until the aircraft went out of sight. Having dismissed the F-117, Mirage IV and fully-swept wing F-111 as the identity of this unfamiliar aircraft, Gibson drew a sketch of the formation. Gibson was a member of the Royal Observer Corps (ROC) and, more importantly, had been in the ROC's aircraft recognition team since 1980, but despite this expertise he was unable to identify this mystery aircraft.

Gibson's report is widely considered to be one of the most reputable sighting reports of what is thought by many to be the Aurora, or at least some other "black" aircraft. It is worth mentioning that Gibson himself does not claim to have seen Aurora and, befitting a witness of his observer background, would not leap to such a conclusion in the absence of solid information.

[edit] Letter written on Usenet

Below is Gibson describing what he saw, in a transcription posted on Usenet.

I welcome any questions on my North Sea sighting, as I am of the opinion that too much is taken at face value in the black aircraft snark hunt. I think that the snark hunt has degenerated into an exercise in regurgitating the same old stories with little or no new research being done.

A bit about me. I work as a drilling technologist for a major oil field service company. I hold an Honours degree in Geology, with some engineering, geophysics and chemistry thrown in. I also did a post graduate course in systems analysis. I was a member of the Royal Observer Corps for 13 years and was a member of the ROC's aircraft recognition team for 12 of those years. In this field I was considered to be an expert and produced an aircraft recognition manual for the ROC.

You obviously know the sighting story, but I'll fill you in on what happened from my point of view. I was working in the Indefatigable field on the jack-up rig "Galveston Key" in August 1989. My colleague, Graeme Winton, went out on deck but returned immediately. He told me to "Have a look at this". We went outside and Graeme pointed skywards.

I had been at university with Graeme and he knew of my interest in aircraft. As far as Graeme was concerned it was a formation of aircraft and he reckoned I'd be interested. I looked up, saw the tanker and the F-111s, but was amazed to see the triangle.

I am trained in instant recognition, but this triangle had me stopped dead. My first thought was that it was another F-111, but there was no "gaps", it was too long and it didn't look like one (might sound strange but after a while doing aircraft recognition you get a feel for the shape of aircraft, what was called the "sit" in the past or what bird watchers refer to as "jizz".) My next thought was that it was an F-117, as the highly swept planform of the F-117 had just been made public. Again the triangle was too long and had no gaps.

After considering and rejecting a Mirage IV, I was totally out of ideas. Here was an aircraft, flying overhead, not too high and not particularly fast. A recognition gift and I was clueless. This was a new experience.

He asked me what was going on. I watched as the formation flew overhead and told him that the big one was a KC-135 Stratotanker, the two on the left were F-111 and that I didn't know what the fourth aircraft was. Graeme said "I thought you were an expert?". I said "I am". To which Graeme replied "Some expert". It was obvious to me that this aircraft was something dodgy.

I watched the formation for a minute or two and went back inside with Graeme. At the time I was writing the aircraft recognition manual and had a Danish Luftmelderkorpset "Flykendingsbog" in my briefcase. This is probably the best aircraft recognition book ever produced. I looked through it, but nothing matched. I then sketched what I had seen.

I sent this sketch to Peter Edwards, who was a Group Officer in the ROC and was also on the recognition team. We discussed what to do about it but decided that if it was reported through official channels, it would be at best rubbished, at worst lead to trouble. Having signed the Official Secrets Act I didn't want to jeopardise my position in the recognition team. So I kept my mouth shut. I told other members of the recognition team in the hope that they could shed some light on the subject.

On returning home I had a look through my book collection. The only aircraft which came close to matching what I had seen was a Handley Page H.P.115. It was not one of them.

Whether this aircraft was Aurora is debatable, my background precludes jumping to conclusions based on single piece of evidence. I wrote to Bill Sweetman after being sent an illustration from Jane's Defence Weekly which matched what I had seen. As an aside, I wrote to two other writers who did not reply. Bill reckons it was Aurora, AgentX reckons it was the FB-119. I don't know what it was. It is the only aircraft I have ever seen that I could not identify. Pete Edwards told Bill Sweetman that if I didn't know what this aircraft was, it isn't in any book.

I've been hunting this snark for almost 9 years now and have turned up some interesting stuff, mainly through my own efforts, but also by having looked in the most unusual places. Surfing websites might be cool, but talking to the people involved is a necessity.

As I said before, I welcome the healthy scepticism, but at least give me the opportunity to state my case.

Yours,

Chris Gibson