diff --git a/src/commands/utils/metar.ts b/src/commands/utils/metar.ts
index d7ef48f6..2cc42e3f 100644
--- a/src/commands/utils/metar.ts
+++ b/src/commands/utils/metar.ts
@@ -1,7 +1,7 @@
 import { ApplicationCommandOptionType, ApplicationCommandType, Colors } from 'discord.js';
 import { Request } from 'node-fetch';
 import { ZodError } from 'zod';
-import { constantsConfig, fetchForeignAPI, makeEmbed, makeLines, slashCommand, slashCommandStructure, Metar, MetarSchema } from '../../lib';
+import { constantsConfig, fetchForeignAPI, makeEmbed, makeLines, slashCommand, slashCommandStructure, Metar, MetarSchema, Logger } from '../../lib';
 
 const data = slashCommandStructure({
     name: 'metar',
@@ -41,7 +41,7 @@ export default slashCommand(data, async ({ interaction }) => {
 
     let metar: Metar;
     try {
-        metar = await fetchForeignAPI<Metar>(new Request(`https://avwx.rest/api/metar/${icao}`, {
+        metar = await fetchForeignAPI(new Request(`https://avwx.rest/api/metar/${icao}`, {
             method: 'GET',
             headers: { Authorization: metarToken },
         }), MetarSchema);
@@ -49,6 +49,7 @@ export default slashCommand(data, async ({ interaction }) => {
         if (e instanceof ZodError) {
             return interaction.editReply({ embeds: [errorEmbed('The API returned unknown data.')] });
         }
+        Logger.error(`Error occured while fetching METAR: ${String(e)}`);
         return interaction.editReply({ embeds: [errorEmbed(`An error occurred while fetching the latest METAR for ${icao.toUpperCase()}.`)] });
     }
 
diff --git a/src/commands/utils/simbriefData.ts b/src/commands/utils/simbriefData.ts
index e9869519..bc66801d 100644
--- a/src/commands/utils/simbriefData.ts
+++ b/src/commands/utils/simbriefData.ts
@@ -1,7 +1,7 @@
 import { ApplicationCommandOptionType, ApplicationCommandType, Colors } from 'discord.js';
 import moment from 'moment';
 import { ZodError } from 'zod';
-import { fetchForeignAPI, makeEmbed, makeLines, SimbriefFlightPlan, SimbriefFlightPlanSchema, slashCommand, slashCommandStructure } from '../../lib';
+import { fetchForeignAPI, Logger, makeEmbed, makeLines, SimbriefFlightPlan, SimbriefFlightPlanSchema, slashCommand, slashCommandStructure } from '../../lib';
 
 const data = slashCommandStructure({
     name: 'simbrief-data',
@@ -41,9 +41,9 @@ const simbriefdatarequestEmbed = makeEmbed({
     ]),
 });
 
-const errorEmbed = (errorMessage: string) => makeEmbed({
+const errorEmbed = (error: string) => makeEmbed({
     title: 'SimBrief Error',
-    description: errorMessage,
+    description: error,
     color: Colors.Red,
 });
 
@@ -85,6 +85,7 @@ export default slashCommand(data, async ({ interaction }) => {
             if (e instanceof ZodError) {
                 return interaction.editReply({ embeds: [errorEmbed('The API returned unknown data.')] });
             }
+            Logger.error(`Error while fetching SimBrief flightplan: ${String(e)}`);
             return interaction.editReply({ embeds: [errorEmbed('An error occurred while fetching the SimBrief flightplan.')] });
         }
 
diff --git a/src/commands/utils/station.ts b/src/commands/utils/station.ts
index 735093fd..20275e08 100644
--- a/src/commands/utils/station.ts
+++ b/src/commands/utils/station.ts
@@ -51,7 +51,7 @@ export default slashCommand(data, async ({ interaction }) => {
 
     let station: AVWXStation;
     try {
-        station = await fetchForeignAPI<AVWXStation>(new Request(`https://avwx.rest/api/station/${icao}`, {
+        station = await fetchForeignAPI(new Request(`https://avwx.rest/api/station/${icao}`, {
             method: 'GET',
             headers: { Authorization: stationToken },
         }), AVWXStationSchema);
diff --git a/src/commands/utils/taf.ts b/src/commands/utils/taf.ts
index 344d6b8c..96caab98 100644
--- a/src/commands/utils/taf.ts
+++ b/src/commands/utils/taf.ts
@@ -51,7 +51,7 @@ export default slashCommand(data, async ({ interaction }) => {
 
     let taf: TAF;
     try {
-        taf = await fetchForeignAPI<TAF>(new Request(`https://avwx.rest/api/taf/${icao}`, {
+        taf = await fetchForeignAPI(new Request(`https://avwx.rest/api/taf/${icao}`, {
             method: 'GET',
             headers: { Authorization: tafToken },
         }), TafSchema);
diff --git a/src/commands/utils/vatsim/functions/vatsimEvents.ts b/src/commands/utils/vatsim/functions/vatsimEvents.ts
index 0cac5ce6..73b96dd8 100644
--- a/src/commands/utils/vatsim/functions/vatsimEvents.ts
+++ b/src/commands/utils/vatsim/functions/vatsimEvents.ts
@@ -1,5 +1,5 @@
 import { ChatInputCommandInteraction, Colors, EmbedField } from 'discord.js';
-import { Logger, VatsimEvents, VatsimEventsSchema, fetchForeignAPI, makeEmbed } from '../../../../lib';
+import { Logger, VatsimEventsSchema, fetchForeignAPI, makeEmbed } from '../../../../lib';
 
 const BASE_VATSIM_URL = 'https://my.vatsim.net';
 
@@ -16,7 +16,7 @@ const handleLocaleDateString = (date: Date) => date.toLocaleDateString('en-US',
 
 export async function handleVatsimEvents(interaction: ChatInputCommandInteraction<'cached'>) {
     try {
-        const response = await fetchForeignAPI<VatsimEvents>(`${BASE_VATSIM_URL}/api/v1/events/all`, VatsimEventsSchema);
+        const response = await fetchForeignAPI(`${BASE_VATSIM_URL}/api/v1/events/all`, VatsimEventsSchema);
 
         const filteredEvents = response.data.filter((event) => event.type === 'Event');
         const finalList = filteredEvents.slice(0, 5);
@@ -69,7 +69,7 @@ export async function handleVatsimEvents(interaction: ChatInputCommandInteractio
 
         return interaction.editReply({ embeds: [eventsEmbed] });
     } catch (e) {
-        Logger.error(String(e));
+        Logger.error(e);
         const errorEmbed = makeEmbed({
             title: 'Events Error',
             description: String(e),
diff --git a/src/commands/utils/vatsim/functions/vatsimPilots.ts b/src/commands/utils/vatsim/functions/vatsimPilots.ts
index 31096301..70d9cf1f 100644
--- a/src/commands/utils/vatsim/functions/vatsimPilots.ts
+++ b/src/commands/utils/vatsim/functions/vatsimPilots.ts
@@ -12,7 +12,7 @@ const listEmbed = (type: string, fields: EmbedField[], totalCount: number, shown
     description: `A list of ${shownCount} online ${type} matching ${callsign}.`,
     fields,
 });
-const pilotsListEmbedFields = (callsign: string, rating?: PilotRating, flightPlan?: FlightPlan) => {
+const pilotsListEmbedFields = (callsign: string, flightPlan: FlightPlan | null, rating?: PilotRating) => {
     const fields = [
         {
             name: 'Callsign',
@@ -56,7 +56,7 @@ export async function handleVatsimPilots(interaction: ChatInputCommandInteractio
         const { callsign, flight_plan } = pilot;
         const rating = vatsimData.pilot_ratings.find((rating) => rating.id === pilot.pilot_rating);
 
-        return pilotsListEmbedFields(callsign, rating, flight_plan ?? undefined);
+        return pilotsListEmbedFields(callsign, flight_plan, rating);
     }).splice(0, 5);
 
     return interaction.editReply({ embeds: [listEmbed('Pilots', fields.flat(), pilots.length, fields.length, callsignSearch)] });
diff --git a/src/commands/utils/vatsim/vatsim.ts b/src/commands/utils/vatsim/vatsim.ts
index bb304d17..d3dfbf66 100644
--- a/src/commands/utils/vatsim/vatsim.ts
+++ b/src/commands/utils/vatsim/vatsim.ts
@@ -91,13 +91,13 @@ export default slashCommand(data, async ({ interaction }) => {
     // Fetch VATSIM data
     let vatsimData: VatsimData;
     try {
-        vatsimData = await fetchForeignAPI<VatsimData>('https://data.vatsim.net/v3/vatsim-data.json', VatsimDataSchema);
+        vatsimData = await fetchForeignAPI('https://data.vatsim.net/v3/vatsim-data.json', VatsimDataSchema);
     } catch (e) {
         if (e instanceof ZodError) {
-            e.issues.forEach((issue) => Logger.error(`[zod Issue VATSIM Data] Code: ${issue.code}, Path: ${issue.path.join('.')}, Message: ${issue.message}`));
             return interaction.editReply({ embeds: [fetchErrorEmbed('The VATSIM API returned unknown data.')] });
         }
-        return interaction.editReply({ embeds: [fetchErrorEmbed('The VATSIM API returned unknown data.')] });
+        Logger.error(`Error while fetching VATSIM data: ${String(e)}.`);
+        return interaction.editReply({ embeds: [fetchErrorEmbed('An error occurred while fetching data from VATSIM.')] });
     }
 
     // Grap the callsign from the interaction
diff --git a/src/commands/utils/wolframAlpha.ts b/src/commands/utils/wolframAlpha.ts
index e8cfcf12..c0dbc686 100644
--- a/src/commands/utils/wolframAlpha.ts
+++ b/src/commands/utils/wolframAlpha.ts
@@ -23,9 +23,9 @@ const noQueryEmbed = makeEmbed({
     color: Colors.Red,
 });
 
-const errorEmbed = (errorMessage: string) => makeEmbed({
+const errorEmbed = (error: string) => makeEmbed({
     title: 'Wolfram Alpha Error',
-    description: errorMessage,
+    description: error,
     color: Colors.Red,
 });
 
@@ -61,7 +61,7 @@ export default slashCommand(data, async ({ interaction }) => {
 
     let response: WolframAlphaData;
     try {
-        response = await fetchForeignAPI<WolframAlphaData>(`${WOLFRAMALPHA_API_URL}${searchParams.toString()}`, WolframAlphaDataSchema);
+        response = await fetchForeignAPI(`${WOLFRAMALPHA_API_URL}${searchParams.toString()}`, WolframAlphaDataSchema);
     } catch (e) {
         if (e instanceof ZodError) {
             return interaction.editReply({ embeds: [errorEmbed('Wolfram Alpha returned unknown data.')] });
diff --git a/src/lib/apis/fetchForeignAPI.ts b/src/lib/apis/fetchForeignAPI.ts
index d26e2e28..8ae1ef8d 100644
--- a/src/lib/apis/fetchForeignAPI.ts
+++ b/src/lib/apis/fetchForeignAPI.ts
@@ -7,7 +7,7 @@ import { Logger } from '../logger';
  * @typeParam ReturnType - The expected type of the returned data.
  * @param request The [Request](https://developer.mozilla.org/en-US/docs/Web/API/Request) object to be passed to `fetch()`.
  * @param zodSchema The [Zod](https://github.com/colinhacks/zod) schema that the returned data conforms to. The promise will reject if the returned data does not conform to the schema provided.
- * @returns A promise that resolves to the expected type or rejects with an [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error).
+ * @returns A promise that resolves to the expected type or rejects with an [Error](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error) or a {@link ZodError} if the validation failed.
  */
 export const fetchForeignAPI = async <ReturnType = unknown>(request: RequestInfo, zodSchema: ZodSchema<ReturnType>, debug?: boolean): Promise<ReturnType> => {
     const req = new Request(request);
@@ -33,10 +33,10 @@ export const fetchForeignAPI = async <ReturnType = unknown>(request: RequestInfo
     const result = zodSchema.safeParse(data);
 
     if (!result.success) {
-        Logger.error("[zod] Data validation failed! Pass the 'debug' flag to 'fetchForeignAPI()' to print the retrieved data to the console.");
+        Logger.error("[zod] Data validation failed! Pass the 'debug' flag to 'fetchForeignAPI()' to dump the retrieved data to the console.");
         Logger.error(`Endpoint location: ${req.url}.`);
         if (debug) {
-            // winston doesn't usefully log object at the moment
+            // winston doesn't log objects in a useful way at the moment
             // eslint-disable-next-line no-console
             console.log('RETRIEVED DATA:', data);
         }
diff --git a/src/lib/apis/zodSchemas/simbrief/simbriefSchemas.ts b/src/lib/apis/zodSchemas/simbrief/simbriefSchemas.ts
index 07b71b4a..eb058a25 100644
--- a/src/lib/apis/zodSchemas/simbrief/simbriefSchemas.ts
+++ b/src/lib/apis/zodSchemas/simbrief/simbriefSchemas.ts
@@ -1,34 +1,34 @@
 import { z } from 'zod';
 
-const FetchSchema = z.object({ status: z.string() });
+const SimBriefFetchSchema = z.object({ status: z.string() });
 
-const ParamsSchema = z.object({
+const SimBriefParamsSchema = z.object({
     user_id: z.string(),
     time_generated: z.string(),
     airac: z.string(),
 });
 
-const AircraftSchema = z.object({
+const SimBriefAircraftSchema = z.object({
     name: z.string(),
     internal_id: z.string(),
 });
 
-const OriginSchema = z.object({ icao_code: z.string() });
+const SimBriefOriginSchema = z.object({ icao_code: z.string() });
 
-const DestinationSchema = z.object({ icao_code: z.string() });
+const SimBriefDestinationSchema = z.object({ icao_code: z.string() });
 
-const GeneralSchema = z.object({ route: z.string() });
+const SimBriefGeneralSchema = z.object({ route: z.string() });
 
 /**
  * This schema only contains currently used fields. If you wish to use other fields returned by the API add them in this file.
  */
 export const SimbriefFlightPlanSchema = z.object({
-    fetch: FetchSchema,
-    params: ParamsSchema,
-    aircraft: AircraftSchema,
-    origin: OriginSchema,
-    destination: DestinationSchema,
-    general: GeneralSchema,
+    fetch: SimBriefFetchSchema,
+    params: SimBriefParamsSchema,
+    aircraft: SimBriefAircraftSchema,
+    origin: SimBriefOriginSchema,
+    destination: SimBriefDestinationSchema,
+    general: SimBriefGeneralSchema,
 });
 
 /**