Nat Geo HD

The Apache is perhaps the most lethal attack helicopter in the world. Go into the Boeing plant where the stealth choppers are built to discover their deadly secrets. 7+.

Three planes fall prey to deadly winds, and it's up to investigators to find out why. (S5, ep 9) 7+.

Gripping investigation into the devastating train crash that killed more than 100 people in Amagasaki, Japan in 2005. What caused the commuter train to derail? 7+.

In 1943, two Allied convoys carrying vital supplies for the war effort set out for Britain. What followed was the largest convoy battle of the Second World War.

Previously unseen footage reveals some of the most significant moments of WWII as fighting reached a bloody climax and the US prepared to drop the atomic bomb.

Slamming into a mountain, Japan Airlines 123 becomes the deadliest single aircraft accident in history and threatens to ground 747s worldwide. (S22, ep 3) 7+.

Corporate Airlines 5966 crashes mysteriously in Missouri, but investigators uncover a conversation in the cockpit that set the tone for disaster. 7+.

As the Allies prepare to invade Germany, the generals jostle for the honour of being first to cross the Rhine.

The Thames' water is drained revealing new evidence of how the British capital came to be one of the most powerful cities on Earth. 7+.

Rookie Terje is in big trouble when he crashes Thord's truck, Eirik searches for a missing garbage truck and Bjoern rescues a forty-tonner which over-turned. 7+.

Documentary exploring how the Nazis built deadly pieces of military technology, starting with a secret headquarters of concrete and steel. (S2, ep 3) 7+.

Air Tahoma Flight 185, a late-night cargo flight from Memphis, is on final approach to Cincinnati. (S24, ep 10 of 10) 7+.

Tim and Fuzz hope to get an ageing rocker back behind the wheel by revamping his 1950s Ford Zodiac, but could a controversial paint job ruin the big reveal? 7+.

Tim and Fuzz head to Derbyshire to secretly fix up petrolhead Ged's 1971 supercar after health issues stalled his plans to restore it. (S7, ep 8) 7+.

Follow some of the world's most extraordinary railway journeys from above and on the ground, taking an adventure of a lifetime. 7+.

Straight after takeoff, Air Florida flight 90 stalled and plunged into Washington's Potomac River. Experts examine what caused the catastrophe. 7+.