[gps-talkusers] Re: wireless on airplanes
- From: UPPER ROOM MINISTRIES <rubak_erablai@xxxxxxxxx>
- To: gps-talkusers@xxxxxxxxxxxxx
- Date: Wed, 10 May 2006 06:53:18 -0700 (PDT)
Hi I am a new user of the Brl note bt 32 display I would appreciate being able
to communicate questions to you if thats ok
Cheng Hock Kua <adaptive@xxxxxxxxxxxxxx> wrote: Hi,
I once boarded United airlines from Tokyo to Singapore, wearing the magelan
310 on my shoulders strapped to the BN32 classic. The steward immediately
identified the 310 and was surprised that a blind person was having the 310,
and offered me the freedom to use it while on flight even before being
asked. He said that it is a "class 2" equipment that is allowed onboard.
On another United airlines International flight, I asked the steward to
check with the pilot and I got him to write down the name of the gps device
for the pilot. When he came back, the advice was that the pilot will check
on this after levelling out and the answer finally came back with the
pilot's name-card with his personal handwriting that the Magelan 310 was
allowed according to the flight manual that he had. However, his verbal
advice was that each individual pilot's own assessment for future flights
will be independent of his opinion, but he would be happy to be used as any
reference. Since I stopped using the 310, i have now misplaced his name
card.
On another International flight of the same airlines, the pilot refused to
grant permission.
though SQ offers wireless on their Boeing 744 aircrafts, Singapore Airlines
will not allowed any gps if asked as I learnt this from a personal friend
who works as a Singapore Airlines pilot. "Better to be safe than sorry" is
their attitude.
While on air wisconsin, the steward threatened to confiscate my 310
previously and warns that no gps of any sorts will be allowed. Probably the
310 looked like a cell phone.
Cheers
Cheng Hock
----- Original Message -----
From: "Michael May"
To:
Sent: Wednesday, May 10, 2006 2:41 AM
Subject: [gps-talkusers] wireless on airplanes
> Peggy,
>
> There is some ambiguity with regard to GPS and the regulations on air
> flights. The Bluetooth receiver both receives and transmits a weak signal
> 30 feet. This is why you have to ask for permission on most airlines. I am
> sure southwest wouldn't allow this unless they felt it was 100% safe to
> have a GPS receiver.
>
> I hear more of the airlines saying things like make sure all WiFi devices
> are turned off. Most people don't even realize their built in WiFi on
> their laptops is transmitting while in flight and WiFi transmits a lot
> further than Bluetooth. Some airlines like Singapore Air actually provide
> WiFi in flight.
>
> Besides WiFi, just think of the one or two people who neglect to turn
> their cell phones off in flight. I have heard phones ring a couple times
> in flight, usually in people's bags overhead. I believe the navigation
> equipment has to be impervious to stray signals. They certainly cannot
> ensure 100% compliance of all devices turned off all the time.
>
> Mike
>
>
> At 06:19 PM 5/9/2006, you wrote:
>>Andy,
>> A pilot once explained to me that the main concern is the fact that the
>> antennas used by the equipment are just beneath the skin of the aircraft
>> in various spots. He also told me that the likelyhood of any actual
>> interference from consumer radio receivers is tiny, but strictly speaking
>> is a valid concern. A related concern is that cables that carry radio
>> signals and data run just above and below the passenger cabin,
>> essentially in the same RF field as the cabin itself. The cables are
>> insulated, but leakage is, at least, theoretically possible. This pilot
>> also admitted that even with significant interference, there would be
>> relatively little problem during level flight. Take off and landing
>> would be the time that a pilot might have to rely heavily on avionics as
>> opposed to simply flying the plane straight.
>>
>> Peter
>>----- Original Message ----- From: "Baracco, Andrew W"
>>
>>To:
>>Sent: Tuesday, May 09, 2006 11:44 AM
>>Subject: [gps-talkusers] Re: still working on airplanes?
>>
>>
>>>Hi Peggy,
>>>
>>>Actually, receivers do send a weak reference signal as part of the
>>>process of ocking onto the proper frequency. This is a very weak
>>>signal, and I wouldn't think it would interfere with anything, but I was
>>>told by someone who knows a lot about avionics, that, believe it or not,
>>>the radio navagation systems on airplanes are not shielded from
>>>extraneous RF signals. That really surprised me when I heard it, and I
>>>wonder if it is still true after 9/11.
>>>
>>>Andy
>>>
>>>
>>>-----Original Message-----
>>>From: gps-talkusers-bounce@xxxxxxxxxxxxx
>>>[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Peggy Kern
>>>Sent: Monday, May 08, 2006 7:26 PM
>>>To: gps-talkusers@xxxxxxxxxxxxx
>>>Subject: [gps-talkusers] Re: still working on airplanes?
>>>
>>>You know, this talk of the GPS on airplanes reminds me of my last trip
>>>to Portland on Southwest. I had no intentions of using the GPS on the
>>>plane, preferring to keep the battery ready for use on the ground. But
>>>during the flight attendants' information about what could and couldn't
>>>be used in flight, they said anything "that sends or receives a signal"
>>>couldn't be used during a flight. Obviously, a receiver doesn't send,
>>>but it does receive. I was wondering if the regulations have changed
>>>and people are just going by what they used to be, or if perhaps our
>>>flight attendant misinformed us. Just curious.
>>>
>>>Peggy
>>>http://kernsac.livejournal.com/
>>>----- Original Message -----
>>>From: "Carl Simmons"
>>>To:
>>>Sent: Monday, May 08, 2006 8:18 AM
>>>Subject: [gps-talkusers] Re: still working on airplanes?
>>>
>>>
>>>>I just completed a business trip to Chicago to San Francisco last
>>>Friday.
>>>>I
>>>>had a window seat, using the Holux I acquired satellites as soon as we
>>>
>>>>were
>>>>allowed to turn on the equipment and maintained 5 to 9 satellites
>>>until
>>>>we
>>>>had to turn off the equipment prior to landing. I had no problems
>>>with
>>>>any
>>>>functions.
>>>>
>>>>Carl Simmons
>>>>carlsimmons@xxxxxxxxxxx
>>>>
>>>> _____
>>>>
>>>>From: gps-talkusers-bounce@xxxxxxxxxxxxx
>>>>[mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of David
>>>>Sent: Monday, May 08, 2006 4:22 AM
>>>>To: gps-talkusers@xxxxxxxxxxxxx
>>>>Subject: [gps-talkusers] still working on airplanes?
>>>>
>>>>Hi, Despite more sensitive receivers I have had less success in
>>>getting
>>>>the
>>>>GPS to work on airplanes lately. Has anyone else noticed this?
>>>>Dave
>>>>
>>>>taxation WITH representation isn't so hot, either!
>>>
>>
>>
>
>
>
The Lord God Bless you, is my prayer
Alray E. Smith
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