A man spends 20 years on a single idea. He designs an aeroplane so advanced it looks like it’s from 40 years in the future. It promises exceptional performance. A strategic asset that could change everything.
Then, during a test flight in 1948, it breaks apart at 10,000 feet. The five-man crew is killed. Within a year, the entire programme is cancelled and every existing airframe is ordered to be cut up for scrap. The designer, Jack Northrop, would spend the rest of his life convinced his work was sabotaged by rivals. His life’s work, gone.
The Flaw in the Structure The machine was the YB-49 Flying Wing. It was a brilliant concept. But it had a fundamental, structural instability. In an era before flight computers, it was almost impossible for a pilot to control. It was a bomber that couldn’t hold a steady course to drop a bomb.
This is the kind of failure we see in estate planning. I have sat with families staring at the wreckage of a plan that was brilliant in theory, but fatally unstable in practice. A business succession plan that relies on a verbal agreement. A property portfolio with no Lasting Power of Attorney for business decisions. A trust document with a single ambiguous clause. When pressure is applied—a death, an illness, a market downturn—the whole structure breaks apart. The arguments begin. Was it a technical failure in the plan, or was there foul play? The result is the same. Fallout. Lost value. Broken relationships.
Securing The Plan For UK families, this often comes down to one missing document. A business owner might build a £5 million property portfolio inside a limited company, a highly efficient vehicle. But without a specific Business LPA in place, what happens if they lose capacity? No one can legally manage the company’s finances, sign contracts, or pay staff. The asset is frozen. The bank can call in its loans. Like the YB-49, the powerful vehicle becomes uncontrollable. The value built over a lifetime can be destroyed in months.
Northrop’s design was eventually proven right, four decades later. He was shown a model of the B-2 stealth bomber, a direct descendant, shortly before he died. Vindication, perhaps. But his original company and its legacy did not survive. Don’t leave your life’s work built on a promise. Make sure the foundations are solid.
These are not easy conversations. We are here when you are ready to have them.
Share this article
Written by Sean Kiani, Estate Planner at Inheritance Made Simple. Sean writes and reviews the firm's guidance on estate planning, wills, trusts and inheritance tax, and works with families across Bournemouth, Poole, Dorset and Central London. Verify Sean's Society of Will Writers membership listing.