Oh Lufthansa (part ?)

What modern aircraft need the gear pinned at the gate to prevent retraction?
Not exactly modern, but we pinned the nose gear on the SAAB when we installed the lockout clamp for the NWS in LGA. LGA was the only place Colgan pushed back, so that was procedure (for us lowly FOs).

The pin DEFINITELY prevents the nose gear from retracting! Ask me how I know.
 
Tail on the ground, yes, though not to me personally. I have had a few where the nose gear went to full extension with the tires only barely in contact with the ground and one where the nose gear come completely off the ground. That one was when I was a gate agent and the door got caught in the jetway awning and delayed the outbound overnight while the mechanics repaired the door.

It’s usually during the late stages of deplaning and a combination of no or very few pax forward of the exit rows and all the bags or cargo in the aft still loaded. Just in pax alone that can be 14,000lbs plus and if it’s not counter balanced or with the tail stand up comes the nose.
I recall back in the olden times at KBUR there was a 727 that wasn't derelict but it had changed ownership and the new owners wanted nothing to do with the current interior. Part of the deal was the seller would remove the seats, carpet, galley and any other detritus. The folks that sold the plane were strapped for cash so they went with the cheapest contractor they could find to remove the interior. That industrious fellow went to Home Depot, bought a few hand tool sets, walked out to the parking lot and organized a cheap work crew (this was when the airport was literally split between GA and 121). The workers were shown the airplane and what their job was so they did the logical thing and started at the front and started taking stuff apart and removing it piece by piece as they worked aft. I recall landing a Warrior on Rwy 8 and seeing the airplane sitting on its tail and thinking someone was filming a movie. Nope, I still wonder what the folks involved thought when they unloaded the straw that finally caused the camel to take a seat, there had to have been people still in the cabin. I'd moved on from working at KBUR at that point but it was still my home field.
 
Not exactly modern, but we pinned the nose gear on the SAAB when we installed the lockout clamp for the NWS in LGA. LGA was the only place Colgan pushed back, so that was procedure (for us lowly FOs).

The pin DEFINITELY prevents the nose gear from retracting! Ask me how I know.
Did they provide latex gloves or wet wipes?
 
Did they provide latex gloves or wet wipes?

For about 5 months in 2008 the TSA got all weird and wanted crews to open all of the external panels on the CRJ on the first flight of the day walk around. They'd even leave... love notes inside the compartments and then write up the (normally) FO if they didn't find them. At first they wanted us to open the avionics door on the belly, which involved rolling or crouching under the fuselage and then making a trip inside to the bathroom to try to clean off some of the grime. Fortunately that only lasted a month or so.
 
For about 5 months in 2008 the TSA got all weird and wanted crews to open all of the external panels on the CRJ on the first flight of the day walk around. They'd even leave... love notes inside the compartments and then write up the (normally) FO if they didn't find them. At first they wanted us to open the avionics door on the belly, which involved rolling or crouching under the fuselage and then making a trip inside to the bathroom to try to clean off some of the grime. Fortunately that only lasted a month or so.

Only time I ever had to open the TRU panels on the nose of a CRJ was for the TSA doing one of these checks. The guy asked me if there was anything that didn’t belong. I just shrugged and said I had no clue what was supposed to be in there so I had no clue what didn’t belong. He didn’t like my response but just moved on to something else. Closing them back up was a pain in the rear.
 
FWIW, the 737 MAX can measure nose and main gear strut extension amounts. Conceptually there could be a "tail tip about to happen" warning system.
 
What modern aircraft need the gear pinned at the gate to prevent retraction?

I get doing it as a response but I see all over the place they are blaming the rampers for pinning the wrong hole. If that is the problem then 787s all over the place would be collapsing.
idk some sort of mx function involving hyds, pseu (or 787 equivalent) where they simulate weight off wheels
 
From what I can see in the video, it looks like the guy outside on the ramp is maintenance or ramp agent and seems to be observing the nose gear. Someone in the cockpit had to have actuated the gear lever as the gear doors opened and the nose gear initiates the gear up actuation process. Someone obviously forgot to read or missed a step on the task card or the in the AMM. Its been a while since I've done maintenance or troubleshooting any landing gear issues. Trying to remember if there is a step for pulling the breakers. I'm on vacation so I can't check the 737NG or MAX AMM to see what the process is on the 737.
 
The 800s and 900s get a stick up their bum on arrival at the gate, but no pins in the nose gear.

Always fun when the ramp forgets and as people deplane it starts to pop a wheelie.
Commuted to LAX the other day on one of UA’s new 321s. We couldn’t deplane until the ramp unloaded the aft cargo so as to keep the CG forward. It was comical watching everyone stand in the aisle for 10 minutes with nowhere to go. Less funny was being in uniform and getting all the questions about basic physics.
 
For about 5 months in 2008 the TSA got all weird and wanted crews to open all of the external panels on the CRJ on the first flight of the day walk around. They'd even leave... love notes inside the compartments and then write up the (normally) FO if they didn't find them. At first they wanted us to open the avionics door on the belly, which involved rolling or crouching under the fuselage and then making a trip inside to the bathroom to try to clean off some of the grime. Fortunately that only lasted a month or so.
I remember when the TSA used the pitot tubes like a rock climbing wall on an Eagle ERJ in ORD.
 
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