Test

The crew was engaged in a local test flight out from Cologne-Bonn Airport after one of the engine has been changed the day prior to the accident. On approach by night, the aircraft was too low and struck power cable and electric pole before crashing in a snow covered field located in Vilkerath, 15 km east of the airport. The aircraft was destroyed and all four crew members were killed. There were icing conditions at the time of the accident.
Crew:
Cpt Helmut Wolf, pilot,
Wolfram Miss, pilot,
Erich Lauf, radio operator,
Rudi Wilker, mechanic.

The crew was in charge to perform a local test flight out from Maiquetía-Simon Bolivar Airport. Shortly after takeoff, while climbing, the crew informed ATC about technical problems with the right engine and obtained the permission to return for an emergency landing. Shortly later, the airplane crashed on Mt Playa Grande near the airport. The aircraft was destroyed and all three crew members were killed.

A Boeing Airplane Company test pilot was acting as an instructor-pilot on a demonstration and acceptance flight prior to the aircraft being delivered to the customer. The company was also utilizing this flight time for flight instruction purposes in qualifying airline personnel in the aircraft. The instructor-pilot demonstrated several maneuvers, including Dutch Rolls, to a pilot-trainee, an airline captain who was making his first training flight training flight prior to checkout on the Boeing 707. The instructor-pilot initiated a Dutch Roll in which the roll-park angle of the aircraft reached 40 to 60 degrees. This bank angle is in excess of limitation set by the company for demonstration of his maneuver. The pilot-trainee, who was to make the recovery, rolled full right aileron control while the right rank was still increasing. The instructor-pilot immediately rolled in full opposite aileron. The airplane stopped its right roll at a point well past a vertical bank and then rolled to the left even more violently. Several gyrations followed and after control of the aircraft was regained, it was determined that three of the four engines had separated from the aircraft and it was on fire. The fire rapidly reduced controllability of the aircraft and an emergency landing was attempted, however, the aircraft struck trees and crashed short of the intended landing area because power on the engine remaining had to be shut down to keep the aircraft wings level. The aircraft was destroyed and four crew members were killed while four others were injured.

The crew was involved in a test flight for an asymmetric safety speed assessment out from RAF Boscombe Down. At an altitude of 10,000 feet, the crew lost control of the airplane after applying full power on one engine in takeoff configuration. The aircraft stalled, dove into the ground and crashed in an open field. Both crew members were killed.

The crew left Hamburg-Finkenwerder for a test flight. En route, in unclear circumstances, the airplane went out of control and crashed in flames in an open field located in Oederquart, Lower Saxony. The airplane was destroyed and all four crew members were killed.
Crew:
Johannes Nagel, pilot,
Horst Weihrauch, copilot,
Ulrich Doletzki, mechanic,
Werner Stegen, radio operator.

The crew was engaged in a local test flight on behalf of the commission d’études pratiques d’aéronautique (CEPA). In flight, control was lost for unknown reason and the twin engine aircraft crashed near the airport, killing all three crew members.

First prototype, the Baade 152 left Dresden-Klotzsche Airport at 1255LT for its second test flight with a crew of four. After several manoeuvres conducted at an assigned altitude of 6,000 meters (gear down), the crew was supposed to descent to 3,000 meters and to increase engine power to arrest the descent and to test the airplane's response to power settings. For unknown reason, the crew failed to follow the program and instead of increasing engine power, he contacted ground and requested permission for an unplanned low pass with gear and flaps up. While descending to the altitude of 600 meters, the aircraft's speed was close to stall value when the crew decided to lower the gear and to increase engine power. The four engines provided power for about 8 to 10 seconds went control was lost. The airplane entered a nose down attitude and plunged into the earth, crashing in a field by an angle of 70°. The aircraft disintegrated on impact and all four crew members were killed.

The crew was completing a test flight on this third model of the Caribou which should be delivered to the US Army. While flying in the vicinity of Udora, Ontario, the crew lost control of the airplane that dove into the ground and crashed in a field. Both crew members were seriously injured while the aircraft was destroyed.

The airplane departed London-Heathrow Airport at 1010LT on a test flight regarding the renewal of its Certificate of Airworthiness. After performing the necessary test, the crew requested a descent from 12,000 feet to 3,000 feet. Three minutes after starting the descent, while cruising in a visibility reduced by fog, the aircraft struck the ground and crashed in a field located in Winkton, southeast of Bournemouth-Hurn Airport. Seven occupants were killed while three others were seriously injured. The aircraft disintegrated on impact.

Following a major overhaul, the crew (pilots and engineers) left London-Heathrow Airport in the morning for a post-maintenance check flight. Ten minutes after takeoff, while cruising at an altitude of 1,000 feet, the right wing failed and detached. Out of control, the airplane dove into the ground and crashed in a field located in Frimley. The aircraft was destroyed upon impact and all six occupants were killed.