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Last Active Turbojet 707?  
User currently offlineJackbr From Australia, joined Dec 2009, 668 posts, RR: 0
Posted (3 years 4 months 2 weeks 4 days 11 hours ago) and read 13415 times:

Anyone know what the last Boeing 707 with turbojet engines was in active duty?

I assume it would have been a 707-320 - can't imagine the 707-120s held on after the 1980s

37 replies: All unread, showing first 25:
 
User currently offlinecrownvic From United States of America, joined Oct 2004, 1957 posts, RR: 5
Reply 1, posted (3 years 4 months 2 weeks 4 days 7 hours ago) and read 13196 times:

If I had to guess, it would be the following:

1) The IAF coverted the last of the straight pipe -321's only in recent years

2) The GE test bed -321 in Mojave got replaced by the 741 in recent years too

Both of the above were well into the 2000's. Not sure when the last of turbojet KC-135A models flew, but those would have to be considered.

As for short body -100's, I doubt any of those made it into the 90's but I am not sure..


User currently offlinerwessel From United States of America, joined Jan 2007, 2422 posts, RR: 2
Reply 2, posted (3 years 4 months 2 weeks 4 days 6 hours ago) and read 13141 times:
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While not exactly a 707, the 367-80 flew to Dulles and Udvar-Hazy on August 27, 2003.

User currently offlineB727LVR From United States of America, joined Jul 2008, 630 posts, RR: 0
Reply 3, posted (3 years 4 months 2 weeks 4 days 6 hours ago) and read 13058 times:

What about the Omega Tanker 707's?

N707MQ is a 707-368C and N707AR is a 707-321B both which still use JT-3D's. They are a privately owned aircraft and not a military or government owned like most 707's flying today. They perform revenue flights, although they are hauling passengers.



I'm like a kid in a candy store when it comes to planes!
User currently offline4holer From United States of America, joined Feb 2002, 3047 posts, RR: 9
Reply 4, posted (3 years 4 months 2 weeks 4 days 5 hours ago) and read 12991 times:

I think it was the IAF one. I remember a discussion on this website when a (then) current picture of it taking off appeared in the database... And almost immediately after that it was withdrawn and converted to turbofans.

I also remember actually hearing the old Vomit Comet taking off from PHX on its last flight down to Davis-Monthan/Pima museum, which was around 2001-2002...



Ghosts appear and fade away.....................
User currently offlineMEA-707 From Netherlands, joined Nov 1999, 4359 posts, RR: 35
Reply 5, posted (3 years 4 months 2 weeks 4 days 4 hours ago) and read 12900 times:

Quoting B727LVR (Reply 3):
N707MQ is a 707-368C and N707AR is a 707-321B both which still use JT-3D's.

No, these have turbofans. The OP asks for the early turbojet engined 707s, they were built mainly before 1961. The engine cowlings are smooth, unlike the later turbofans which have two sections. Also at the back of the engines there are about 15 'organ pipes' fitted for noise supression, but still these engines were even more noisy and smoky then the later ones.
Pan Am, TWA and Air France held on to sizeable fleets of these early 707s til the 1970s, while American and Qantas converted them to turbofans after 1961 and many other airlines only took the later models.

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Photo © Steve Fitzgerald
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Photo © Richard Vandervord


the British Midland one had early engines, the Varig has the standard engines fitted on most 1961-1985 built models.



nobody has ever died from hard work, but why take the risk?
User currently offlineJackbr From Australia, joined Dec 2009, 668 posts, RR: 0
Reply 6, posted (3 years 4 months 2 weeks 4 days 2 hours ago) and read 12735 times:

I'd love to hear a 707-320 take off from the cabin - the 321B/Cs have the distinctive "buzzsaw" sound on take off that most engines have today. I wonder if the turbojets did?

They were also relatively "weak" engines, at least they were by the time the turbofans came out. I don't think any Boeing aircraft were as underpowered as the original non-turbofan Boeing 720s.


User currently offlinewolflair From Mexico, joined Sep 2007, 171 posts, RR: 0
Reply 7, posted (3 years 4 months 2 weeks 4 days 2 hours ago) and read 12673 times:

Wasn't Mahan Air or other Iranian operator still flying 707s a very few years ago? I recall reading a trip report here in a.net (I think it was from Sam Chui).

Without knowing what powerplant they had, they did look like having turbojets.



JMM -A319,A320,A321,A333,A343,AT45,AT72,B462,B722,B737s from -200 to -800,B744,B752,B762,B763,BE35,DC91,F70,Ju52,MD80,S3
User currently offlineJackbr From Australia, joined Dec 2009, 668 posts, RR: 0
Reply 8, posted (3 years 4 months 2 weeks 4 days 1 hour ago) and read 12600 times:

Quoting wolflair (Reply 7):

Wasn't Mahan Air or other Iranian operator still flying 707s a very few years ago? I recall reading a trip report here in a.net (I think it was from Sam Chui).

Without knowing what powerplant they had, they did look like having turbojets.

They were turbofans.


User currently offlineCharlieNoble From , joined Dec 1969, posts, RR:
Reply 9, posted (3 years 4 months 2 weeks 4 days ago) and read 12465 times:

Quoting rwessel (Reply 2):
While not exactly a 707, the 367-80 flew to Dulles and Udvar-Hazy on August 27, 2003.

Am I going crazy here...I've been to the Udvar-Hazy and I'd swear that 367-80 has turbofans on it now based on the look of the cowlings...they aren't smooth like I'm used to seeing for turbojets.


User currently offlinechieft From Germany, joined Jun 2005, 364 posts, RR: 0
Reply 10, posted (3 years 4 months 2 weeks 4 days ago) and read 12428 times:
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Must be Sahas EP-SHV

Here is a pic from July 2011:

Saha 707 EP-SHV



Aircraft are marginal costs with wings.
User currently offlinemax550 From United States of America, joined Nov 2007, 1166 posts, RR: 0
Reply 11, posted (3 years 4 months 2 weeks 4 days ago) and read 12407 times:

Quoting CharlieNoble (Reply 9):
Am I going crazy here...I've been to the Udvar-Hazy and I'd swear that 367-80 has turbofans on it now based on the look of the cowlings...they aren't smooth like I'm used to seeing for turbojets.

It was converted to turbofans.

This is the best photo I have of it.



User currently offlinescarebus03 From Ireland, joined Apr 2005, 305 posts, RR: 0
Reply 12, posted (3 years 4 months 2 weeks 4 days ago) and read 12392 times:

Any of the 707's that had straight pipes had P&W engines with an A,B or C suffix any P&W engine from that time that had a 'D' suffix was a turbofan.

JT3B/C: Turbojet
JT4A: Turbojet
JT3D: Turbofan
RR Conway: Turbofan

Brgds



No faults found......................
User currently offlineN14AZ From Germany, joined Feb 2007, 2840 posts, RR: 25
Reply 13, posted (3 years 4 months 2 weeks 3 days 23 hours ago) and read 12380 times:

Quoting chieft (Reply 10):
Must be Sahas EP-SHV

This is not a Turbojet.

I think the winner of this contest might be N707GE as indicated by Crownvic above.


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Photo © Javier Rodriguez - Iberian Spotters



When did they stop using it as a test-bed? As for the Israeli Air Force I never so one with turbojets. But maybe they used them only domestically.


User currently offlineNorthwest727 From United States of America, joined Jul 2005, 491 posts, RR: 0
Reply 14, posted (3 years 4 months 2 weeks 3 days 22 hours ago) and read 12234 times:

Got a kick out of this photographer's comments about N707GE:


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Photo © Andy Martin - AirTeamImages

Quote:
N707GE (cn 17608/122) This was the last coal-burning 707 flying in the USA, now sadly condemned to the scrap heap.

Make's it sound like an old steam engine of a railroad


User currently offlinemoose135 From United States of America, joined Oct 2004, 2406 posts, RR: 10
Reply 15, posted (3 years 4 months 2 weeks 3 days 22 hours ago) and read 12167 times:

Quoting Northwest727 (Reply 14):
Make's it sound like an old steam engine of a railroad

Like I say about my days of flying the KC-135A - "We were gods - we made water burn!"



KC-135 - Passing gas and taking names!
User currently offlineCharlieNoble From , joined Dec 1969, posts, RR:
Reply 16, posted (3 years 4 months 2 weeks 3 days 17 hours ago) and read 10892 times:

Quoting max550 (Reply 11):
It was converted to turbofans.

Thanks - good to get confirmation on that!


User currently offlineDahlgardo From Denmark, joined Sep 2004, 136 posts, RR: 0
Reply 17, posted (3 years 4 months 2 weeks 3 days 16 hours ago) and read 9770 times:

Quoting N14AZ (Reply 13):

I think the winner of this contest might be N707GE as indicated by Crownvic above.

I recall having seen a picture on a.net of an Israeli 707-328 (or -321) turbo-jet taking off from Mallorca (?).
The pictures was, as I recall it, taken in 2007.

I was quite amazed when I saw it.

The picture does sadly not appear to be in the db anymore.

Does anyone else remember this ?



Nothing to say
User currently offlineViscount724 From Switzerland, joined Oct 2006, 26029 posts, RR: 22
Reply 18, posted (3 years 4 months 2 weeks 3 days 16 hours ago) and read 9712 times:

Quoting rwessel (Reply 2):
While not exactly a 707, the 367-80 flew to Dulles and Udvar-Hazy on August 27, 2003.

By then it was no longer a turbojet. The Dash-80 had been re-engined with JT3D turbofans in the 1960s.

Quoting 4holer (Reply 4):
I think it was the IAF one. I remember a discussion on this website when a (then) current picture of it taking off appeared in the database... And almost immediately after that it was withdrawn and converted to turbofans.

Probably this ex-SN 707-329. It was still in IAF service as of 2006. Not sure if it still is. It still had the original JT4A turbojets until sometime between 2003 and 2006 when it first appeared with JT3Ds. As of 2006 I believe it was the oldest 707 still flying, 47 years after it was rolled out at Renton December 18, 1959. It must be one of very few early turbojet 707-320s re-engined with JT3Ds. I don't believe that modification was ever offered or certified for commercially-operated turbojet 707-320s.


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Photo © Robert Roggeman
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Photo © Royi Sher - TLVAviation



There used to be an A.net photo in IAF livery dated around 2003 with the original JT4As but that photo seems to have been deleted from the database. You can still see the thumbnail of that photo in Reply 20 in the following 2007 thread (upper left photo) but it won't open when you click on it.
What Is The Oldest Passenger Jet In Service? (by JAM747 Feb 25 2007 in Civil Aviation)


User currently offlineLTC8K6 From United States of America, joined Jun 2009, 1213 posts, RR: 0
Reply 19, posted (3 years 4 months 2 weeks 3 days 15 hours ago) and read 8859 times:

http://www.abpic.co.uk/photo/1224913/

Possibly?


User currently offlinebigbird From United States of America, joined Aug 2004, 190 posts, RR: 0
Reply 20, posted (3 years 4 months 2 weeks 3 days 15 hours ago) and read 8798 times:
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While we are on this subject, what was the last turbojet DC-8 operating?


bigbird from georgia
User currently offlineDahlgardo From Denmark, joined Sep 2004, 136 posts, RR: 0
Reply 21, posted (3 years 4 months 2 weeks 3 days 14 hours ago) and read 8529 times:

Quoting Viscount724 (Reply 18):
Probably this ex-SN 707-329. It was still in IAF service as of 2006. Not sure if it still is. It still had the original JT4A turbojets until sometime between 2003 and 2006 when it first appeared with JT3Ds


Yes, this was the picture which was in the db.

Quoting bigbird (Reply 20):
While we are on this subject, what was the last turbojet DC-8 operating?

Must have been that Orbis DC-8-21 N220RB which retired to a Chinese museum in 1994.



Nothing to say
User currently offlineKC135TopBoom From United States of America, joined Jan 2005, 12181 posts, RR: 51
Reply 22, posted (3 years 4 months 2 weeks 3 days 12 hours ago) and read 7289 times:


Yes, I remember it.

Quoting crownvic (Reply 1):
Both of the above were well into the 2000's. Not sure when the last of turbojet KC-135A models flew, but those would have to be considered.

The last KC-135A flights were around 1999, when they were flown from DM to Boeing for conversion to KC-135Rs for Singapore and Turkey.

Quoting B727LVR (Reply 3):
7MQ is a 707-368C and N707AR is a 707-321B both which still use JT-3D's.

The JT-3D is a turbofan, the JT-3C is a turbojet.

Quoting crownvic (Reply 1):
1) The IAF coverted the last of the straight pipe -321's only in recent years

Correct.

Quoting Jackbr (Reply 6):
I'd love to hear a 707-320 take off from the cabin - the 321B/Cs have the distinctive "buzzsaw" sound on take off that most engines have today. I wonder if the turbojets did?


A very loud ROAR......at take-off power the JT-3C, dry thrust was around 135 db, if it was using water injection it was even louder around 155 db.

Quoting Dahlgardo (Reply 17):
I recall having seen a picture on a.net of an Israeli 707-328 (or -321) turbo-jet taking off from Mallorca (?).
The pictures was, as I recall it, taken in 2007.

I was quite amazed when I saw it.

I beleive the last commerical airliner I flew with turbo jets was in 1978 or 1979. It was a sub airplane for an L-1011, a B-707-131 with JT-3C engines (which are very close to the J-57 engines on my KC-135A/Qs. The flight was a TRANSCON, SFO-BOS. TWA was moving a few B-707-131s to the BOS base at the time (they flew the BOS-PIT-IND-ORD-BOS routing, usually), and when the L-1011 was not avaiable, and a light pax load (for the L-1011), the old -131 was flown on the route.

The picture does sadly not appear to be in the db anymore.

Does anyone else remember this ?
Quoting Dahlgardo (Reply 21):
Dahlgardo

Thanks, Dahlgardo.

User currently offlineHarleyDriver From United States of America, joined May 2010, 85 posts, RR: 0
Reply 23, posted (3 years 4 months 2 weeks 3 days 9 hours ago) and read 6553 times:

I was a crew chief on the KC-135A just as my ANG unit was switching to the KC-135E. Those E model engines looked HUGE compared to the old A model and now the R model engines of course make those original engines look like something you would see on a lear jet, not on a transport catagory aircraft. The worst job as a crew chief was cleaning the starters when the aircrew used the starter cartridges on a practice alert start.

I flew on an A Model a couple of times as a basic crew chief and had my first flight on an R Model in boom school at Altus AFB in '97. I couldnt get over how quiet the engines were on the R. There was no change in the sound of the airflow around the cockpit at cruise which was loud but the takeoff roll was fairly quiet. I still dont understand why the USAF paid extra money to have the thrust reversers removed from that engine!



Department of Redundancy Department
User currently offlineDahlgardo From Denmark, joined Sep 2004, 136 posts, RR: 0
Reply 24, posted (3 years 4 months 2 weeks 3 days 4 hours ago) and read 6369 times:

Quoting KC135TopBoom (Reply 22):
The last KC-135A flights were around 1999, when they were flown from DM to Boeing for conversion to KC-135Rs for Singapore and Turkey.

The NASA KC135A Vomit Comet retired to Davis Monthan on 29oct 2004.
Must have been the last KC135A flight in history.

But this is not a 707 as such  

This picture was taken in sept 2004 at Ellington.




Nothing to say
25 moose135 : A tanker's job, especially on an EWO mission, is to carry as much fuel as possible for offload. Thrust reversers add weight, reducing maximum fuel lo
26 Post contains links 747fan : Here ya go: http://www.youtube.com/watch?v=vXe9nOgsnSU&feature=related Absolutely amazing video of several KC-135A's and B-52G's taking off from
27 crownvic : Yes, there is a lot of confusion with today's enthusiast knowing the difference in a turbo-jet vs. a turbo-fan. Of course, the FAA does not help becau
28 maxpower1954 : I started my career in the late 1970s flying DC-8-33 series with JT-4A turbo-jets. The fuel burn was unbelievable by today's standards, right at 18 to
29 Post contains links Jackbr : http://www.youtube.com/watch?v=yY-pMoJP550 This video captures the turbofan 720B (and 707) engine sound perfectly
30 milesrich : While TWA was the only airline to continue to operate 707-100 with water injected turbojets, (American, Pan Am, Qantas, converted theirs to JT-3D B m
31 swabrian : Continental never reengined their four (then three) surviving 707-124s. They eventually wound up in Israel via TWA. Braniff also never reengined eith
32 maxpower1954 : And so did Eastern.
33 Viscount724 : Do you know who operated those aircraft? I've never seen any references to commercial -320sbuilt with JT4As being converted to JT3Ds, apart from the
34 timz : As I recall a couple of DC-8-30s were converted to -50s. I doubt any civil 707-320s got fanned (while they were still civil, that is.)
35 Northwest727 : Very good video...as the aircraft passes the camera and leaves the camera behind, it sounds just like an afterburning aircraft today. As it approache
36 milesrich : My post said only TWA continued to operated water injected 707-100's. Continental sold their three remaining aircraft, two were lost, to TWA. The 707
37 swabrian : true, but the overall thread is about turbojet airframes that lasted a while.
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