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HeliTorque :: View topic - Response Times
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HeliTorque Forum Index » EMS, SAR & Law Enforcement

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oi_martin
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PostPosted: Mon Apr 17, 2006 12:33 am    Post subject: Response Times Reply with quote

Dear All
I was thinking the other day.
For those who fly in EMS and SAR roles, what is the normal start up time from pushing the starter button to lifting the collective.

I happened to be stood next to someone from the Warwickshire Ambulance trust at Helitech, while their A109 Power was starting for departure ( routine flight back to Coventry). He said their best start time was somewhere around 50 seconds.
Seems hard to believe 2 engines and all systems.

Thats not the time for a hot start.

Cheers

Martin
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PostPosted: Mon Apr 17, 2006 2:36 pm    Post subject: Reply with quote

50 seconds is quite impressive.

We usually have to wait for the EFIS to come online before we can go. I am told it takes us 2 minutes, I have not timed myself yet, might try that one day.
I find it feels like putting the helmet and seatbelts takes the longest.
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hwkdriver
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PostPosted: Sat Apr 22, 2006 3:42 pm    Post subject: response times Reply with quote

Well, I have flown MEDEVAC UH-1's and UH-60's. The fastest that I ever got off the ground in a UH-1 (from the time of notification to being airborn) was about 4 or 5 minutes. The fastest that I have been airborn in a UH-60 is about 7-8 mins.
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stikpuppy
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PostPosted: Wed May 03, 2006 2:49 am    Post subject: Reply with quote

I fly the EC135. From time of dispatch I can be in the air in five minutes. I've never timed the actual starting of the aircraft itself. It takes me about 2 minutes just to get out to the aircraft though. I put my seatbelt on immediatley but I wait to put my helmet on while the FADEC's are going through their thing. That saves me about a minute. I remember in training it took my about 15 minutes to start the EC. lol. Anyway, having flown in several different programs I'd say the norm for launch times is anywhere from 5 to 7 minutes. That time is reduced if the referring agency puts you on standby first. Then you can be out in the aircraft waiting.
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oi_martin
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PostPosted: Fri May 05, 2006 6:49 am    Post subject: Reply with quote

I must have misheard the guy at Helitech. It must have been 1 min 50 secs.
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PostPosted: Sat May 06, 2006 11:53 am    Post subject: Reply with quote

that sounds about right.
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AlphaFox
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PostPosted: Fri May 19, 2006 2:45 pm    Post subject: Once in the Aircraft Reply with quote

Just finished a tour in Egypt flying Medevac in UH-1's. With everything preflighted and ready to roll it took us about a 1:40 to get up to a 100% ready for flight.. Of course the GPS is still firing up while we are enroute.-AF

engine start is anywhere from 40-60 seconds then engine roll-up and electrical switches is anothe 20-30 seconds. checklist confirmation, all secure.. I'd say about 2 minutes is about as fast as you could get.
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Picador
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PostPosted: Wed Aug 23, 2006 2:48 pm    Post subject: Reply with quote

With the 412... it
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PostPosted: Sun Aug 27, 2006 9:37 pm    Post subject: Reply with quote

About 2 minutes with the Bell 427 providing the engines are not too cold, and you are using a GPU. No delay starting the second engine if using aux power.
We are on a 4 minute call during day shifts, and 10 plus at night so there is time for the weather to be assesed.
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Intrepid
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PostPosted: Mon Aug 28, 2006 12:28 am    Post subject: Reply with quote

The Canadian SAR Labrador was about 10 - 20 min from the time of the callout to takeoff depending on mission factors. If you were IFR or needed non-standard equipment or extra fuel, then it was a bit longer. Now that was during the day 30 minute maximum timeframe. The night posture was a two hour maximum response time, but we were generally airborne within the hour. The new Cormorant is about the same.

With the 412 we were about 6 - 7 min from call to airborne on first flight of the day in winter (cold wx start) and 3 - 4 min on second start in warmer weather.
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HeliCraig
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PostPosted: Mon Aug 28, 2006 2:59 am    Post subject: Reply with quote

Sorry to hijack the thread a little - but did the authorities find out why a Cormorant crashed off Canada at the beginning of last month?
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Intrepid
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PostPosted: Mon Aug 28, 2006 12:22 pm    Post subject: Reply with quote

The investigation is still underway and nothing concrete is released yet. However, it was determined very early on that it wasn't a mechanical problem. I think there will be a lot of lessons learned on this one. I'll keep everyone posted.
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aviatorjames
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PostPosted: Mon Nov 06, 2006 1:08 am    Post subject: Reply with quote

For 911 calls (...999 in the UK ??...) we try for 7 minutes from the time of call to lift off.
Though we rarely make it in 7 minutes.
Too many things to do.

james
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HeliCraig
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PostPosted: Mon Nov 06, 2006 8:54 pm    Post subject: Reply with quote

Hmmm... In some of the press blurb about the new Warks / Northants machine (G-MEDS) it was claimed a start up time of 45seconds.

I remember reading it and thinking crikey that is fast.

Maybe this is a virtue of the A109? Not many EMS use the A109 do they, and I believe it is claimed to be the quickest in the UK?

I might just double check with Mr. Craske next time I have the pleasure of bumping in to him!

HC.


PS: Any more news on the Canadian Cormorant?
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James T Lowe
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PostPosted: Tue Nov 07, 2006 7:42 am    Post subject: Reply with quote

I suspect that it's a flick of a switch to get the computer to start the engines, (certainly is for the MD902) which'll get them going in the shortest time possible!

(Hi Sid!)
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