The Civil Aviation Authority said helicopters in London have only limited radar help and fly mostly using visual reference points on the ground.

CNN: London helicopter crash prompts safety questions

Rodriguez's reference to standing his ground is similar to the claim made by George Zimmerman, a neighborhood watch volunteer who is citing Florida's Stand Your Ground law in his defense in the fatal February shooting of an unarmed teenager, Trayvon Martin.

MSN: Texas man gets 40 years in Stand Your Ground case