Axed! The trillion dollar list of shame: The 14 Most Expensive Cancelled Aircraft

ImageThe amount that has been spent on aircraft projects that have been cancelled is colossal. In assembling this list I’ve been surprised a few times: the Bristol Brabazon didn’t make it, yet a few in the top five I hadn’t even considered. I’ve tried to be sensible, not including projects that spawned actual aircraft- like the B-1A, but including radical variants like the two cursed Nimrods.

I’ve avoided aircraft where no figures where available (so no Sukhoi T-4 or XFV-12). With so many variables to get wrong (unreliable figures, time and currency conversion rates among many) I accept that this is at best a rough guide. I do however hope you enjoy it and that, in a small way, it serves to highlight the wasteful nature of the weapon procurement process.

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14. Saunders-Roe Princess £10 million in 1950 prices

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13. Hughes XF-11 

$14 million in 1946

Hughes XF-11 Photo-Reconnaissance Aircraft | Old Machine Press

$235,958,462 in 2024 dollars 

12. Hughes H-4 Hercules $23 million in 1946 dollars (circa $275 million in 2013 figures)

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Bristol 188

The Bristol 188 cost £20 million in 1962 – the equivalent of £534.77 million in 2024. This wasn’t really a cancellation as it was research aircraft, hence no ranking number in this list. 

The Bristol 188 Flaming Pencil - Supersonic Stainless Steel

11. British Aerospace Nimrod AEW3 £1 billion 1986 pounds

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10. Compass Arrow

Compass Arrow at the National Museum of the United States Air Force. (U.S. Air Force photo)

$2 billion in 2024 dollars

9. FARA helicopter programme 

$2.4 billion

8. Martin P6M SeaMaster $400 million in 1953 dollars (circa 3.4 billion in 2013 dollars)

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7. McDonnell Douglas A-12 Avenger II circa $2 billion in 1991 dollars (3.44 billion in 2013) + ongoing legal fees. Check out the ten worst carrier aircraft.Image

6. BAE Systems Nimrod MRA4 £3.8 billion in 2010 pounds

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5 .Boeing-Sikorsky RAH-66 Comanche circa $7 billion in 2004 dollars (8.67 in 2013 figures). This reminds me, here’s what helicopters do in Hollywood

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4. Northrop XB-35 $522 million in 1946 (6+ billion)

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3. Boeing SST

$8 billion (in 2024 USD)

2.  British Aircraft Corporation TSR. 2 £450 million in 1965 pounds. £ Seven billion two hundred ninety-four million five hundred thousand in 2024. More on TSR.2 hereImage

1. North American XB-70 Valkyrie $1.5 billion in 1966 dollars (10.81 in today dollars)

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UPDATE: I will add the Boeing 2707 when I find good figures.

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You may also enjoy 11 Cancelled French aircraft or the 10 worst British military aircraft, Su-35 versusTyphoon, 10 Best fighters of World War II , Su-35 versus Typhoon, top WVR and BVR fighters of today, an interview with a Super Hornet pilot and a Pacifist’s Guide to Warplanes. Flying and fighting in the Tornado. Was the Spitfire overrated? Want something more bizarre? Try Sigmund Freud’s Guide to Spyplanes. The Top Ten fictional aircraft is a fascinating read, as is The Strange Story and The Planet Satellite. The Fashion Versus Aircraft Camo is also a real cracker. Those interested in the Cold Way should read A pilot’s guide to flying and fighting in the Lightning. Those feeling less belligerent may enjoy A pilot’s farewell to the Airbus A340. Looking for something more humorous? Have a look at this F-35 satire and ‘Werner Herzog’s Guide to pusher bi-planes or the Ten most boring aircraft. In the mood for something more offensive? Try the NSFW 10 best looking American airplanes, or the same but for Canadians. 10 great aircraft stymied by the US. 

Edit: Convair 880

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Hunters over Peru!

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Hawker test pilot DUNCAN SIMPSON recalls a posting to South America in 1956 to oversee the introduction of the Hunter Mk 52 into Peruvian Air Force service — “five of the most difficult months of my life . . .”

By late 1955 the first of the reconditioned ex-RAF Hunter F.4s purchased by Peru, designated Mk 52s, were ready to be delivered, so at the beginning of March 1956 I started preparing to depart for South America, where I was to oversee the assembly of the aircraft and train the pilots of the Peruvian Air Force to fly them.

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By mid-April I was ready to begin the Hunters’ test-flying programme. It was a critical moment. Limatambo was essentially a civil airport and the loose gravel surface of the runways was hardly ideal for jet aircraft, although its length of 2,000yd (6,000ft — 2,200m) was adequate. Both runways were flanked on either side with a flourishing cotton crop, and the undershoot and overshoot areas had their share of obstructions, including a 10ft (3m)-high brick wall at one end.

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I could afford to wait until the weather conditions were good to start the flying programme — which was just as well, as there were no navigation aids and no radar. Eventually, on April 18, 1956, I made the first flight of the first of the 16 Hunter Mk 52s, from Limatambo airport.

On May 22, Peruvian pilots made six flights in the new fighters, led by the Group Commander, Col Fernando Paraud, a likeable rogue who had previously flown a 20min sortie in a Hunter at Dunsfold. He and his colleagues, Mayor Leon Melgar and the Flight Commander and senior pilot, Capitán Alberto Thorndike, very soon completed the conversion course and later flew each aircraft on an official acceptance check. I had to do all the briefing; fortunately the standard of pilots, who were all trained in the USA, was high.

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While supervising pilot conversion I continued to fly the aircraft after they were assembled. I did enjoy being let loose from the daily frustrations at Limatambo. I had to take infinite care over the test flying; the luxuries at Dunsfold just did not exist in this fascinating environment. Usually I would climb to 50,000ft to the south, with the Andes to my left and the Pacific Ocean to the right, ending up overhead the settlement of Pisco.

ImageIn the event of problems arising I had no emergency retreat, apart from returning to Limatambo. I usually took time off at the end of each test flight to fly out over the Andes, the massive mountains rising to 20,000ft. Unlike the Alps, the snow level was very high, so the mass of mountains appeared to be a variety of shades of brown rock stretching as far as the eye could see. Frequently I could see signs of human building in the most remote and inaccessible places — possibly Inca remains.

For the full previously unpublished story, illustrated with the author’s photographs, see Hunters Over the Andes in Issue No 2 of The Aviation Historian — www.theaviationhistorian.com.

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Thank you for reading Hush-Kit. Our site is absolutely free and we have no advertisements. If you’ve enjoyed an article you can donate here. At the moment our contributors do not receive any payment but we’re hoping to reward them for their fascinating stories in the future.

Have a look at 10 worst British military aircraft, Su-35 versus Typhoon, 10 Best fighters of World War II , top WVR and BVR fighters of today, an interview with a Super Hornet pilot and a Pacifist’s Guide to Warplanes. Was the Spitfire overrated? Want something more bizarre? The Top Ten fictional aircraft is a fascinating read, as is The Strange Story and The Planet Satellite. The Fashion Versus Aircraft Camo is also a real cracker. Those interested in the Cold Way should read A pilot’s guide to flying and fighting in the Lightning. Those feeling less belligerent may enjoy A pilot’s farewell to the Airbus A340. Looking for something more humorous? Have a look at this F-35 satire and ‘Werner Herzog’s Guide to pusher bi-planes or the Ten most boring aircraft. In the mood for something more offensive? Try the NSFW 10 best looking American airplanes, or the same but for Canadians. 

Triumph Spitfire Versus Supermarine Spitfire: Cars fight their flying namesakes

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Cars and planes often share names. Sometimes it’s because car manufacturers want to evoke the glamour of the plane and sometimes it’s coincidence. We pit these namesakes against each other, to find out see which is more worthy of their name. Contestants ready? Fight!!

Round 1. Buick Wildcat II versus Grumman F4F Wildcat

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Winner: Grumman F4F Wildcat

Round 2: Triumph Spitfire Versus Supermarine SpitfireImage

Winner: Supermarine Spitfire

Round 3: Volkswagen Caravelle Versus Sud Aviation SE 210 Caravelle

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Winner: Sud Aviation SE 210 Caravelle

Round 4: Mitsubishi Mirage Versus Dassault Mirage III

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Winner: Dassault Mirage III

Round 5: Lincoln Zephyr Versus QinetiQ Zephyr

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Winner: Lincoln Zephyr

Final score: Planes 4  Cars 1

Other examples include:

Airspeed Ambassador / Austin Ambassador
Atlas Impala / Chevrolet Impala
Beagle Terrier / Leyland Terrier
Beech Baron / Chrysler Le Baron
Beech Sierra / GMC & Ford Sierra
Cessna 208 & 406 Caravan / Dodge Caravan
Cessna 404 Titan / Leyland Titan
Dassault Falcon / Ford Falcon
Fairchild Metro / Austin (Rover) & GEO Metro
HP Herald / Triumph Herald
HP Victor / Vauxhall Victor
IAI Astra / Vauxhall (Opel/Saturn) Astra
Lockheed C-5 Galaxy / Ford Galaxy
Northrop Talon / Eagle Talon
Piper (Ted Smith) PA60 Aerostar / Ford Aerostar
Piper PA22 Colt / Mitsubishi Colt
Piper PA23 Aztec / Pontiac Aztec
Piper PA28 & Bombardier Challenger / Dodge Challenger
Piper PA28 Cherokee / Jeep Cherokee
Piper PA28 Cruiser / Chrysler PT Cruiser
Piper PA46 Malibu / Chevrolet Malibu
Sikorsky S76 Spirit / Dodge Spirit
Sud Caravelle / VW Caravelle
Supermarine Spitfire / Triumph Spitfire
Vickers Vanguard / Vauxhall Vanguard
Vought & Cessna 425 Corsair / Ford Corsair
Vought F7U Cutlass / Oldsmobile Cutlass

If you enjoyed this, have  a look at the top ten British, French, Swedish, Australian,  Japanese and German aeroplanes.

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The ten worst carrier aircraft

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Building an aircraft tough and steadfast enough to operate safely from an aircraft carrier is extremely difficult. Sadly, many of the aircraft sent to operate from carriers were not good enough, with the result that thousands of men died trusting their lives to an inappropriate machine. Here’s a list of ten aircraft that should never have been sent to sea….

10. Supermarine Seafire Mk XV

The first Griffon-engined Seafires did not like being on carriers. They had a tendency to veer to the right on take-off, smashing into the carrier’s island superstructure.

Seafire F Mk XV

9. McDonnell F3H Demon

An unreliable single engine prone to compressor stalls and flame-outs, insufficient power. Oh..and a dodgy ejection seat. You can learn more about Demon losses here.

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8. Supermarine Scimitar

Too much too soon. High maintenance hours, an appalling attrition rate of 51 per cent. A worse fighter than the Sea Vixen, a worse bomber than the Buccaneer.  Find the ten most expensive cancelled aircraft here

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7. Ryan FR-1 Fireball

The Fireball had unreliable engines and a flawed undercarriage. It was also the wrong concept.

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6. AV-8A (and to a lesser extend B)

By 2003 143 major AV-8 non-combat accidents, killing 45 aviators, destroying one third of the Harrier fleet.

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5. Blackburn Firebrand

An evil, scandalous pilot-killer.

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4. Westland Wyvern

“Weighing 650 pounds shy of a loaded Dakota it was nonetheless expected to operate off dinky 1950s RN carriers. Tellingly, its main claim to aviation immortality derives not from any superlative quality of the aeroplane itself but a desperate desire to escape it.” Of 127 built, 39 were lost to accidents.

Learn more about the bizarre Wyvern here.

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3. Yakovlev Yak-38

The rather cute Yak-38 had a tiny range and a tiny weapon load. In some ways it had the offensive capabilities of a World War I fighter, it also didn’t like taking-off when the weather was any warmer than tepid. On a related subject, there’s a great article on Britain’s P.1154 here.

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2. Blackburn Roc

A maximum speed (at sea level) of 194 mph was simply suicidal for a fighter facing the Luftwaffe’s ‘109s. Add terrible agility, no forward-firing guns and you get the idea. Wisely, the military decided the best use for it was as a static machine-gun post!

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1. Vought F7U Cutlass

Today’s F-35 may get criticized for not being able to fly near an electrical storm but the ‘Gutless Cutlass’ had a very alarming tendency to flame-out in rain. Even when the engines behaved themselves it was still an underpowered flop. There’s more on Cutlass losses here.

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Type selection by Combat Aircraft‘s Thomas Newdick. If you enjoyed this you will love Essential Aircraft Identification Guide: Carrier Aircraft 1917–Present . 

Follow my vapour trail on Twitter: @Hush_kit

Guide to surviving aviation forums here

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