Field guide · fire-control geometry
IRON NEST Bearing, Distance and Triangulation Errors Explained
Why IRON NEST bearing fixes drift, when parallel sight lines fail, and which Spotter tolerance figures remain unconfirmed.
Punchcard index
Compare 33 punchcards: 21 shell records and 10 abilities with costs, use limits and unlock rules; 3 Spotter variants stay merged to avoid thin duplicate pages.
Compare 33 punchcards: 21 shell records and 10 abilities with costs, use limits and unlock rules; 3 Spotter variants stay merged to avoid thin duplicate pages. Values are sourced from verified game data and Steam API records. Each record keeps its version, source, update date, and confidence metadata.
| ID | Cost | Maximum uses | Title | Description | Requirements | Recon |
|---|---|---|---|---|---|---|
ArtilleryFlashNotifier | 1 | 0 | Listening Post | A Listening Post provide intel to enemy artillery positions when they open fire. | [] | false |
ImpactObserver | 1 | 0 | Listening Post | A Listening Post provide intel to enemy artillery positions when they open fire. | [] | false |
ListeningPost | 1 | 0 | Listening Post | A Listening Post provide intel to enemy artillery positions when they open fire. | [] | false |
MoveDirection | 10 | 0 | Move Direction | Move the Iron Nest a set distance in a specific direction. | [] | false |
MoveZone | 65 | 0 | EMERGENCY MOVE ! | Immediately reposition to an unknown location, pause CBT. | [] | false |
PowderCharges | 5 | 0 | Powder Charges | 20 Powder Charges | [] | false |
ScoutPlane | 60 | 0 | Scout Plane | Request Scout Plane Flyover Location | [] | false |
ScoutPlane_OnTimeUse | 15 | 1 | Scout Plane | Request Scout Plane Flyover Location | [] | false |
APShell | 10 | 0 | AP Shell | <b>Armour-piercing</b> shell, minimal bursting charge. Minimal blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
APHEShell | 15 | 0 | APHE Shell | <b>Armour-piercing</b> shell, medium bursting charge. Medium blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
ATMCShell | 666 | 1 | ATMC Shell | Experimental fissile-core shell. Theorised sustained chain-reaction. Effects untested. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
CLMNShell | 17 | 0 | CLMN Shell | Cluster shell, six HE bomblets scattered on impact. Effective against infantry and vehicles. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
CYANShell | 28 | 0 | CYAN Shell | Cyanogen gas shell. Lethal to units in the open. Fortified units unaffected. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
DRILShell | 3 | 0 | DRIL Shell | Blind-loaded practice shell. Concrete-filled, inert. Minimal effective radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
EQKEShell | 26 | 0 | EQKE Shell | <b>Armour-piercing</b> shell, deep-penetrating delayed subterranean burst. Large blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
FLCHShell | 20 | 0 | FLCH Shell | Flechette shell. Large area of effect. Lethal only to infantry on foot in the open. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
HCHEShell | 18 | 0 | HCHE Shell | High-capacity high-explosive shell. Thin-walled, maximum bursting charge. Large blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
HEShell | 10 | 0 | HE Shell | Medium-capacity high-explosive shell. Medium blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
INCNShell | 12 | 0 | INCN Shell | Incendiary shell. Ignites a fire on impact, medium radius. Chance to spread. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
LEShell | 8 | 0 | LE Shell | Medium-capacity low-grade explosive shell. Small blast radius. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
PCLMShell | 15 | 0 | PCLM Shell | Parachute-delayed cluster shell. Six HE bomblets. Staggered impacts 10 seconds apart. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
PHGNShell | 10 | 0 | PHGN Shell | Phosgene choking gas shell. Units flee the cloud. If suppressed, they die in it. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
PRPGShell | 7 | 0 | PRPG Shell | Propaganda leaflet shell. Suppresses enemy troops under the glory of Castile. Chance to induce desertion. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
SMOKEShell | 2 | 0 | SMK Shell | Covering smoke shell. Non-lethal, allied units advance toward the impact point. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
STARShell | 2 | 0 | STAR Shell | Parachute-delayed illumination shell. Lights the target area for scouting. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
TEARShell | 8 | 0 | TEAR Shell | Chloroacetophenone gas shell. Suppresses units, and reveals any hidden ones. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
THRMShell | 22 | 0 | THRM Shell | Thermal incendiary shell. Ignites a fire on impact, large radius. High chance to spread. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
WPShell | 10 | 0 | WP Shell | White phosphorus shell. Units flee the cloud, or die if suppressed. Chance to ignite fires. | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |
Spotter | 6 | 0 | Forward Observer | Forward Observer (FO) gives intel to nearest enemy. | [] | false |
LocationReport | 3 | 0 | Position Report | Local logistics convoy report <b><i><smallcaps>Iron Nest:</smallcaps></b></i> positional intel. | [] | false |
Spotter | 1 | 0 | Forward Observer | Forward Observer (FO) gives intel to nearest enemy. | [] | false |
Spotter | 1 | 0 | Forward Observer | Forward Observer (FO) gives intel to nearest enemy. | [] | false |
MSTDShell | 9999 | 0 | MSTD Shell | Get 1 mustard (YX) blister agent shell | [{"operation":0,"requirement":{"RequirementType":1,"Operation":3,"ShellSlot":3,"StringValue":"ShellSlot","IntValue":0,"BoolValue":0}}] | false |