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Search: Posts Made By: aviator1970
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Forum: Rumours & News
24th Mar 2014, 16:14
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Inmarsat doppler

Inmarsat uses 121.5/406.25 MHz tx to find out approximate position using Doppler shift... so why not any other frequency? Accuracy provided by the 406 fx is higher due to the higher frequency and...
Forum: Rumours & News
23rd Mar 2014, 18:26
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

oldoberon

All recordings I have seen of radars are no less than the originals being replayed in a later time frame... quality or accuracy doesn't really suffer one bit... in fact one can slow it down pause...
Forum: Rumours & News
23rd Mar 2014, 17:55
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Fire in Cargo hold issue

Being ETOPS 180/192 minutes.... it would have a seriously good fire extinguisher for a class E fire suppression system which would be a mix of heavy duty halon and metered discharge means of ensuring...
Forum: Rumours & News
23rd Mar 2014, 17:12
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

INS... primary mode

@MarkJJ


No INS exists onboard... IRS exists... and incase GPS signals are shielded or unable for any reason... it will automatically revert to IRS as a primary source mode of navigation. but...
Forum: Rumours & News
23rd Mar 2014, 17:06
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Nose wheel fire???

unlikely..no nose wheel brakes... so very low probability for heating....why fire?
Forum: Rumours & News
23rd Mar 2014, 10:46
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

@jolihokistix Aussies?Maybe maybe not......

@jolihokistix

Aussies?Maybe maybe not... the Indians on the other hand would've said NO without any contemplation to any Chinese offer of assistance with ships and aircraft...because in their...
Forum: Rumours & News
21st Mar 2014, 13:00
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

The difference between the 121.5 and 406.25 MHz...

The difference between the 121.5 and 406.25 MHz is
1. when the search satellite passes over the ELT the 121.5 info couldn't be saved and would be transmitted down immediately, in case no LUT(local...
Forum: Rumours & News
19th Mar 2014, 12:39
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Sharp end vs Blunt end

Sharp end (the pilots ) always easy to blame.... what a pity... esp since they aren't around to clarify.. blunt end (everything else) as always going scot free, namely the airline, management, Boeing...
Forum: Rumours & News
19th Mar 2014, 12:37
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Last waypoint...

shadoko
The Track mode usually would get reset to heading mode.... so if their is a substantial difference the ac will turn and roll out... just Keeping it simple...
Forum: Rumours & News
19th Mar 2014, 12:20
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Squawk code change

Now with a numerical key pad their is no need to put transponder to standby... just key in the assigned code... Easy;)
Forum: Rumours & News
18th Mar 2014, 17:39
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Mach trim

As the aircraft speed increases in the transonic regime... the cp tends to move back causing the nose to to dip downwards... a Mach trim counters this nose down movement by deflecting the...
Forum: Rumours & News
18th Mar 2014, 17:21
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

pressurisation too?

@Romeo
why do you think pressurisation would fail?
Forum: Rumours & News
17th Mar 2014, 11:20
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Airfields in Southern Indian Ocean

any list of old disused/abandoned airfields of any vintage in the southern Indian Ocean? I am sure its been discussed...
Forum: Rumours & News
17th Mar 2014, 10:58
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Just read this

I know its been flagged earier... but sounds coherent and plausable.... any views? Especially keeping in mind the point raised #5142?

Keith Ledgerwood ? Did Malaysian Airlines 370 disappear using...
Forum: Rumours & News
17th Mar 2014, 06:14
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

log off

As per my experience even changing the data frequency to an unused frequency wont help as in most cases the system uses SATCOM to communicate automatically in case no VHF handshake takes place.......
Forum: Rumours & News
16th Mar 2014, 12:06
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Tracking an aircaft

The older days (pre 406.25 MHz) the position of downed aircraft was with the the Doppler shift of 243MHz signal,,, if my memory serves me right... It was done by INMARSAT satellites in conjunction...
Forum: Rumours & News
16th Mar 2014, 11:29
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Search on hold????

News doing rounds in Indian media that search by Indian ships and aircraft is now on hold TFN due to request by Malay authorities... any more info on this?
Forum: Rumours & News
16th Mar 2014, 03:22
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Quote Explosions/catastrophic failure at...

Quote


Explosions/catastrophic failure at 39000 or even 25000 feet would leave a debris swath which would be miles long, with a large amount of it floating debris. Putting a transponder off is...
Forum: Rumours & News
16th Mar 2014, 03:02
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

cvr

CVR would record the last two or three odd hours... the initial part is overwritten... earlier they'd use a continuous tape, nowadays they use solid state devices...In the present context the CVR...
Forum: Rumours & News
15th Mar 2014, 19:04
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

Roger

Whats the big deal about the non standard R/T terminology? seriously? routine usage of nonstandard words in locally acceptable language is a norm.... Namaste is used in Indian airspace by all...
Forum: Rumours & News
15th Mar 2014, 18:33
Replies: 11,831
Views: 24,379,150
Posted By aviator1970

ECMS

possible to assume that comn/pings could be because of data being sent to ECMS(eng condition monitoring system)?.... incase the VHF sets are turned off... default setting would be to transmit data on...
Showing results 1 to 21 of 21


 
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