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Forum: Aviation History and Nostalgia

1st May 2021, 15:10

Replies: 19

BA One Eleven Quindar Tone

Views: 4,101

Posted By Yellow Sun

Thanks, that's an intereresting and refreshingly...

Thanks, that's an intereresting and refreshingly candid report! I vaguely remember hearing of a system similar to the one described, it may have been in relation to the Mirage. However the tone...

Forum: Aviation History and Nostalgia

30th Apr 2021, 16:57

Replies: 19

BA One Eleven Quindar Tone

Views: 4,101

Posted By Yellow Sun

I don’t know when the UUPI was introduced, but it...

I don’t know when the UUPI was introduced, but it was around when I was instructing in the early ‘70s. I’m pretty sure the nose light flashed as there could have been potential for confusion with a...

Forum: Aviation History and Nostalgia

30th Apr 2021, 06:19

Replies: 19

BA One Eleven Quindar Tone

Views: 4,101

Posted By Yellow Sun

You remember correctly, it was the Ultrasonic...

You remember correctly, it was the Ultrasonic Undercarriage Position Indicator (UUPI). A triple tone at the end of the transmission. There was also the flashing white nose light that provided a...

Showing results 1 to 3 of 3