[ARC5] Video discussing the loss of the Lady Be Good

Francesco Ledda frledda at att.net
Mon Dec 29 23:13:52 EST 2014


I am not sure if I understand your question, but the volume of the station is not used for navigation purpose.  The station passage is indicated by a needle reversal.  At the point, a timer is started and used to measure aprox distance.


Sent from my iPad

> On Dec 29, 2014, at 9:10 PM, Michael A. Bittner <mmab at cox.net> wrote:
> 
> If the needle is pointing backwards and the signal volume is decreasing, then how can you not know that you have overflown the station?
> 1. Station is is turned off.
> 2. Equipment in aircraft is damaged or otherwise not working.
> 3. Crew wounded or for some other reason, not paying attention.
> Mike, W6MAB
>  ----- Original Message ----- 
>  From: Francesco Ledda 
>  To: arc5 at mailman.qth.net 
>  Sent: Monday, December 29, 2014 6:36 PM
>  Subject: Re: [ARC5] Video discussing the loss of the Lady Be Good
> 
> 
>  I don't know what they used during WW2, but with a regular NDB, the arrow in
>  the indicator tells you if are going toward or away the station. A decent
>  instrument pilot will know very quickly if there is crosswind, and how to
>  correct.  I loved to do NDB approaches.....  yes, they can be dangerous if
>  left to the inexpert, deadly if mistakes are made (American Airlines Flight
>  965 Cali) but are great to improve piloting skills.
> 
>  BR,
> 
>  Frank 
>  KF5RXB
> 
>  -----Original Message-----
>  From: ARC5 [mailto:arc5-bounces at mailman.qth.net] On Behalf Of Michael A.
>  Bittner
>  Sent: Monday, December 29, 2014 8:09 PM
>  To: Robert Eleazer; arc5 at mailman.qth.net
>  Subject: Re: [ARC5] Video discussing the loss of the Lady Be Good
> 
>  Nobody seems to have mentioned that the method for determining whether you
>  are going toward or away from the station (both non-directional beacon and
>  4-course range station) is to note the increase in volume going toward the
>  station and decrease in volume going away.  Also the cone-of-silence when
>  passing over the station.  I used both systems back in the 1950s during
>  training and actual cross country trips in the Navy SNJ, SNB, PBM and T-28B.
> 
>  Mike, W6MAB
>    ----- Original Message -----


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