This is not just a horror modpack as you know them. This modpack includes create and create addons. One of them is create big cannons it allows you to make cannons.

When backpack equiped click B to get into the interface.

To activate the shaders go to video Options-> Video settings -> shaders -> click spooklementary shader

Plane controls you can find in Options -> Controls -> Keybinds -> Simple planes section

This modpack is the newer and better version from Survive the horrorr - Minecraft Modpacks - CurseForge

These are the main Mods:

These are the tech mods:

Create,
Create Big cannons,
CBC advanced thecknologies,
CBC chemicle warfare,
Security craft,
Create Slice & Dice,
Create Copycats+,
Create: New Age
Create: Nuke
Create Radars,
Simple Planes.

Horror mods:

Arthropod Phobia Expansions,
Cave Dweller Reimagined,
Doctor Who: Weeping Angels,
From the Fog,
Horror Elements mod,
Rake: The Arrival,
SCP-096 The shy guy,
Siren Head: The Arrival,
The Boiled One: Reimagined,
The knocker,
The man From the Fog,
The midnight Lurker,
The Mimicer,
The night Stalker.

Security Mods:

Security Craft,
Security Craft CRT,
Orca Alarms and Sirens,
Timeless and Classics Zero.

Any question go to the discord server linked above

Survive the horror reworked