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Search: Posts Made By: robrob
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Forum: Accidents and Close Calls
24th Feb 2018, 11:40
Replies: 92
Views: 65,192
Posted By robrob

That's very rigorous aerobatic training and...

That's very rigorous aerobatic training and what's needed in the Firefly.
Forum: Accidents and Close Calls
12th Feb 2018, 20:55
Replies: 92
Views: 65,192
Posted By robrob

No, I don't remember the specific number but we...

No, I don't remember the specific number but we came out right at 2 inches rear of the rear limit. If I recall correctly the firewall was the datum line.

It's possible this is one of the reasons...
Forum: Accidents and Close Calls
27th Jan 2018, 15:31
Replies: 92
Views: 65,192
Posted By robrob

The T-3A had fixed seats and adjustable rudder...

The T-3A had fixed seats and adjustable rudder pedals.

As I mentioned earlier, when I measured the CG in a T-3A with full fuel, me and a large cadet + parachutes and canopy closed it was 2 inches...
Forum: Accidents and Close Calls
26th Jan 2018, 16:08
Replies: 92
Views: 65,192
Posted By robrob

Pitts, the "Luck" response was in response to...

Pitts, the "Luck" response was in response to this question:



This implies inadequate practice.

rotorfossil, I don't know if it's in the civilian Firefly flight manual but the USAF had a...
Forum: Accidents and Close Calls
25th Jan 2018, 23:37
Replies: 92
Views: 65,192
Posted By robrob

Luck. Seriously, read the "UK Fatal Stall or...

Luck.

Seriously, read the "UK Fatal Stall or Spin Accident Summary (1980-2008) report (http://www.gremline.com/index_files/page0053.htm)".

It's not a good idea to let low experience aerobatic...
Forum: Accidents and Close Calls
25th Jan 2018, 17:53
Replies: 92
Views: 65,192
Posted By robrob

Sorry, I missed the part about a botched spin...

Sorry, I missed the part about a botched spin recovery. We didn't have a botched spin recovery procedure and we didn't get any botched spin recovery training which is a crime when you're going to be...
Forum: Accidents and Close Calls
22nd Jan 2018, 04:20
Replies: 92
Views: 65,192
Posted By robrob

From the accident report: Which...

From the accident report:



Which recovery is the true Slingsby Flight Manual recovery? Did the accident board get it wrong?

Almost everyone that's ever flown a Firefly and not died will tell...
Forum: Accidents and Close Calls
21st Jan 2018, 21:11
Replies: 92
Views: 65,192
Posted By robrob

Trevor, it's not just the big engined Fireflys...

Trevor, it's not just the big engined Fireflys that are having trouble. Have you seen this?

https://robrobinette.com/images/T67_AviationSafetyNet_Accidents_May_2016.jpg

The Firefly is now up to...
Forum: Private Flying
13th May 2016, 14:28
Replies: 83
Views: 30,589
Posted By robrob

This is the key. That warning should be plaquered...

This is the key. That warning should be plaquered on the instrument panel. Sometimes the Firefly doesn't react the way it should.

It's like ghosts, you don't believe in them until you see one...
Forum: Private Flying
13th May 2016, 14:21
Replies: 83
Views: 30,589
Posted By robrob

Did you compare the two lists? Tell me which ones...

Did you compare the two lists? Tell me which ones you think are duplicates.

Is it this one from the BAR report?

1984 UK Aerobatics "Aerial display; insufficient altitude for maneuver"

From...
Forum: Private Flying
12th May 2016, 16:23
Replies: 83
Views: 30,589
Posted By robrob

My summary of 4 pages of pruning: 36 T67's...

My summary of 4 pages of pruning:

36 T67's destroyed with 48 fatalities in flying accidents. That's the new total using the ASN and Enhanced Flight Screening Broad Area Review report.

Know what...
Forum: Flying Instructors & Examiners
11th May 2016, 22:19
Replies: 21
Views: 14,290
Posted By robrob

In 2010 when this was posted there had been four...

In 2010 when this was posted there had been four T67M260's destroyed in fatal spin related accidents. There have been two more since 2010.
Forum: Private Flying
11th May 2016, 21:17
Replies: 83
Views: 30,589
Posted By robrob

For those interested this document is a great...

For those interested this document is a great review of the T67M260 and the Air Force's Enhanced Flight Screening Program's development: https://fas.org/man/dod-101/sys/ac/docs/t3bar.pdf

The Air...
Forum: Private Flying
11th May 2016, 16:09
Replies: 83
Views: 30,589
Posted By robrob

Jetscream, the Air Force had its own self-written...

Jetscream, the Air Force had its own self-written operating and maintenance manuals. The pilots studied the flight manual and knew it inside and out. But as mind boggling as it sounds we did nothing...
Forum: Private Flying
10th May 2016, 19:18
Replies: 83
Views: 30,589
Posted By robrob

The T-3A had no center of gravity maneuver...

The T-3A had no center of gravity maneuver limitations and we never considered it--at all--but we flew with some big football player students, two parachutes and full tanks and would take off and go...
Forum: Private Flying
8th May 2016, 12:22
Replies: 83
Views: 30,589
Posted By robrob

Thanks for the corrections, I edited the above...

Thanks for the corrections, I edited the above list. I also changed the T67M200 to the AEIO-360 with 200hp.
Forum: Private Flying
7th May 2016, 21:16
Replies: 83
Views: 30,589
Posted By robrob

The problem found with TDPF was using it against...

The problem found with TDPF was using it against the aircraft "inertia yawing moment" in a simple equation. "Unshielded rudder volume" (area not blocked from the airstream by the horizontal...
Forum: Private Flying
7th May 2016, 13:31
Replies: 83
Views: 30,589
Posted By robrob

Jetscream, I'm curious as to why the T67M260...

Jetscream, I'm curious as to why the T67M260 would have the big rudder and the T-3A with the same engine + air conditioning have the small. Any insight?

Jetscream_32 said:



G-BNSO is being...
Forum: Flying Instructors & Examiners
7th May 2016, 03:12
Replies: 51
Views: 36,066
Posted By robrob

Another T67 fun fact: Review of UK General...

Another T67 fun fact:

Review of UK General Aviation Fatal Accidents 1985-1994

https://robrobinette.com/images/Review_of_General_Av_Accidents_UK_85_to_94.jpg
Forum: Flying Instructors & Examiners
6th May 2016, 22:59
Replies: 51
Views: 36,066
Posted By robrob

Gipsy, you should say, "The published spin...

Gipsy, you should say, "The published spin recovery for Firefly usually works," because sometimes it doesn't. Read about all the T67 spin accidents--there's a lot of them.

Here is an interesting...
Forum: Private Flying
6th May 2016, 04:22
Replies: 83
Views: 30,589
Posted By robrob

I did one inverted spin in the T-3A and it rolled...

I did one inverted spin in the T-3A and it rolled right-side up upon entry and I thought it was over--that we didn't enter a spin. We then continued rolling and developed into a stabilized inverted...
Forum: Private Flying
5th May 2016, 12:47
Replies: 83
Views: 30,589
Posted By robrob

If the failure to recover was from an inverted...

If the failure to recover was from an inverted spin they would have hit the ground inverted, right?

This is an interesting post I found Found on an online aviation forum archive:
...
Forum: Private Flying
4th May 2016, 19:40
Replies: 83
Views: 30,589
Posted By robrob

If you fly or plan to fly a Firefly you should...

If you fly or plan to fly a Firefly you should read this: Aviation Safety Network list of T67/T-3 accidents (https://aviation-safety.net/wikibase/dblist.php?AcType=RF6). There's some interesting...
Forum: Flying Instructors & Examiners
4th May 2016, 19:04
Replies: 51
Views: 36,066
Posted By robrob

There was another Slingsby T67 fatal...

There was another Slingsby T67 fatal spin-to-the-ground accident in the UK in April 2016.

Anyone that thinks the Slingsby T67/T-3A Firefly is a safe airplane needs to read these accident reports:...
Forum: Accidents and Close Calls
4th May 2016, 18:48
Replies: 92
Views: 65,192
Posted By robrob

It's being reported that the two pilots were...

It's being reported that the two pilots were planning on doing aerobatics. The crash site photos are textbook spin at impact. Notice how the engine is buried in the dirt in front of the aircraft.
...
Forum: Flying Instructors & Examiners
5th Feb 2016, 22:48
Replies: 51
Views: 36,066
Posted By robrob

T-3A Weight and Balance An aircraft becomes...

T-3A Weight and Balance

An aircraft becomes less stable as the center of gravity shifts rearward. A more rearward CG can also make an aircraft more likely to stay in a stabilized spin and make...
Forum: Flying Instructors & Examiners
5th Feb 2016, 22:33
Replies: 51
Views: 36,066
Posted By robrob

All three of the instructors that died in the...

All three of the instructors that died in the T-3A made it through the T-37 twin jet, the supersonic T-38, C-141 FO training, C-141 captain training, C-141 aerial refueling training and yet the T-3A...
Forum: Flying Instructors & Examiners
3rd Feb 2016, 18:12
Replies: 51
Views: 36,066
Posted By robrob

McPeak was an idiot and did untold damage to the...

McPeak was an idiot and did untold damage to the entire Air Force. NONE of the C-141 drivers that died in the T-3A were FOs. They all were prior 141 Aircraft Commanders or above.



^This.

In...
Forum: Rotorheads
14th Oct 2014, 15:49
Replies: 2
Views: 2,510
Posted By robrob

1981 US World Champion Helicopter Team Website

I was a pilot member of the 1981 World Champion US Helicopter Team. The team competed in the 4th FAI World Helicopter Championship in Piotrkow Trybunalski, Poland in August 1981 and defeated teams...
Forum: Rotorheads
14th Oct 2014, 15:40
Replies: 28
Views: 9,286
Posted By robrob

The US team made up mostly of US Army helicopter...

The US team made up mostly of US Army helicopter pilots won the 4th (1981) and 5th (1986) FAI World Helicopter Championships. I was a member of the '81 team. The '81 team website is here: Helicopter...
Showing results 1 to 30 of 30


 
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