diff --git a/Front/skydivelogs-app/src/app/app.component.ts b/Front/skydivelogs-app/src/app/app.component.ts
index 2faf334..57d3f34 100644
--- a/Front/skydivelogs-app/src/app/app.component.ts
+++ b/Front/skydivelogs-app/src/app/app.component.ts
@@ -18,14 +18,10 @@ export class AppComponent implements OnInit {
   public currentUser: User;
   public version: string;
 
-  constructor(
-    private router: Router,
-    private authenticationService: AuthenticationService,
-    private serviceComm: ServiceComm
-  ) {
-    this.authenticationService.currentUser.subscribe(
-      x => (this.currentUser = x)
-    );
+  constructor(private router: Router,
+              private authenticationService: AuthenticationService,
+              private serviceComm: ServiceComm) {
+    this.authenticationService.currentUser.subscribe(user => { this.currentUser = user; });
 
     ConfigurationHelper.settings.subscribe(settings => 
       {
diff --git a/Front/skydivelogs-app/src/app/app.module.ts b/Front/skydivelogs-app/src/app/app.module.ts
index 6578800..7bc2429 100644
--- a/Front/skydivelogs-app/src/app/app.module.ts
+++ b/Front/skydivelogs-app/src/app/app.module.ts
@@ -68,42 +68,42 @@ const appRoutes: Routes = [
   {
     path: "summary",
     component: SummaryComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "jumps",
     component: ListOfJumpsComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "dzs",
     component: ListOfDzsComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "newjump",
     component: NewJumpComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "aircrafts",
     component: ListOfAircraftsComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "jumpTypes",
     component: ListOfJumpTypesComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "gears",
     component: ListOfGearsComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
   {
     path: "user",
     component: UserProfileComponent,
-    canActivate: [AuthGuardService],
+    canActivate: [AuthGuardService]
   },
 
   { path: "login", component: LoginComponent },
diff --git a/Front/skydivelogs-app/src/app/create-user/create-user.component.ts b/Front/skydivelogs-app/src/app/create-user/create-user.component.ts
index 48832c5..0b4a43d 100644
--- a/Front/skydivelogs-app/src/app/create-user/create-user.component.ts
+++ b/Front/skydivelogs-app/src/app/create-user/create-user.component.ts
@@ -58,7 +58,6 @@ export class CreateUserComponent implements OnInit {
     this.invalidForm = false;
     this.submitted = true;
 
-    // stop here if form is invalid
     if (this.createForm.invalid) {
       this.invalidForm = true;
       return;
diff --git a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.html b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.html
index 32993be..ce66488 100644
--- a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.html
+++ b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.html
@@ -1,6 +1,6 @@
 <div class="content">
   <div *ngIf="dataSourceTable != null else loading">
-    <button mat-raised-button color="accent" (click)="openDialogToAdd()">Add a aircraft</button>
+    <button mat-raised-button color="accent" (click)="openDialogToAdd()" *ngIf="isUserAdmin == true">Add a aircraft</button>
 
     <table mat-table [dataSource]="dataSourceTable">
       <ng-container matColumnDef="id">
diff --git a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
index 63b0dea..1b9041a 100644
--- a/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-aircrafts/list-of-aircrafts.component.ts
@@ -3,11 +3,12 @@ import { MatPaginator } from '@angular/material/paginator';
 import { MatTableDataSource } from '@angular/material/table';
 import { MatDialog } from '@angular/material/dialog';
 
-import { AircraftResp } from '../../models/aircraft';
 import { AircraftService } from '../../services/aircraft.service';
 import { ServiceComm } from '../../services/service-comm.service';
+import { AuthenticationService } from '../../services/authentication.service';
 import { NewAircraftComponent } from '../new-aircraft/new-aircraft.component';
 import { AddAction } from '../../models/add-action.enum';
+import { AircraftResp } from '../../models/aircraft';
 
 @Component({
   selector: 'app-list-of-aircrafts',
@@ -18,13 +19,15 @@ export class ListOfAircraftsComponent implements OnInit {
   public displayedColumns: Array<string> = ['id', 'name', 'imageData'];
   public dataSourceTable: MatTableDataSource<AircraftResp>;
   public resultsLength = 0;
+  public isUserAdmin: boolean;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
-  constructor(
-    private serviceApi: AircraftService,
-    private serviceComm: ServiceComm,
-    public dialog: MatDialog
-  ) { }
+  constructor(private serviceApi: AircraftService,
+              private serviceComm: ServiceComm,
+              private authenticationService: AuthenticationService,
+              public dialog: MatDialog) { 
+    this.isUserAdmin = this.authenticationService.currentUserValue.IsAdmin;
+  }
 
   ngOnInit() {
     this.serviceComm.refreshRequest.subscribe(action => {
diff --git a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.html b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.html
index 3ea27e3..b6747d6 100644
--- a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.html
+++ b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.html
@@ -1,6 +1,6 @@
 <div class="content">
   <div *ngIf="dataSourceTable != null else loading">
-    <button mat-raised-button color="accent" (click)="openDialogToAdd()">Add a drop zone</button>
+    <button mat-raised-button color="accent" (click)="openDialogToAdd()" *ngIf="isUserAdmin == true">Add a drop zone</button>
 
     <table mat-table [dataSource]="dataSourceTable">
       <ng-container matColumnDef="isfavorite">
diff --git a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
index 82b2b9f..21c70e6 100644
--- a/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-dzs/list-of-dzs.component.ts
@@ -7,6 +7,7 @@ import { AddAction } from '../../models/add-action.enum';
 import { DropZoneResp } from '../../models/dropzone';
 import { DropzoneService } from '../../services/dropzone.service';
 import { ServiceComm } from '../../services/service-comm.service';
+import { AuthenticationService } from '../../services/authentication.service';
 import { NewDropZoneComponent } from '../new-drop-zone/new-drop-zone.component';
 
 @Component({
@@ -23,14 +24,16 @@ export class ListOfDzsComponent implements OnInit {
     'type',
   ];
   public dataSourceTable: MatTableDataSource<DropZoneResp>;
+  public isUserAdmin: boolean;
   public resultsLength = 0;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
-  constructor(
-    private serviceApi: DropzoneService,
-    private serviceComm: ServiceComm,
-    public dialog: MatDialog
-  ) { }
+  constructor(private serviceApi: DropzoneService,
+              private serviceComm: ServiceComm,
+              private authenticationService: AuthenticationService,
+              public dialog: MatDialog) { 
+    this.isUserAdmin = this.authenticationService.currentUserValue.IsAdmin;
+  }
 
   ngOnInit() {
     this.serviceComm.refreshRequest.subscribe((action) => {
diff --git a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.html b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.html
index 8941959..532a90d 100644
--- a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.html
+++ b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.html
@@ -1,6 +1,6 @@
 <div class="content">
   <div *ngIf="dataSourceTable != null else loading">
-    <button mat-raised-button color="accent" (click)="openDialogToAdd()">Add a jump type</button>
+    <button mat-raised-button color="accent" (click)="openDialogToAdd()" *ngIf="isUserAdmin == true">Add a jump type</button>
 
     <table mat-table [dataSource]="dataSourceTable">
       <ng-container matColumnDef="id">
diff --git a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
index 06fb945..e0e13ab 100644
--- a/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
+++ b/Front/skydivelogs-app/src/app/list-of-jump-types/list-of-jump-types.component.ts
@@ -7,6 +7,7 @@ import { AddAction } from "../../models/add-action.enum";
 import { JumpTypeResp } from "../../models/jumpType";
 import { JumpTypeService } from "../../services/jump-type.service";
 import { ServiceComm } from "../../services/service-comm.service";
+import { AuthenticationService } from '../../services/authentication.service';
 import { NewJumpTypeComponent } from "../new-jump-type/new-jump-type.component";
 
 @Component({
@@ -17,14 +18,16 @@ import { NewJumpTypeComponent } from "../new-jump-type/new-jump-type.component";
 export class ListOfJumpTypesComponent implements OnInit {
   public displayedColumns: Array<string> = ["id", "name"];
   public dataSourceTable: MatTableDataSource<JumpTypeResp>;
+  public isUserAdmin: boolean;
   public resultsLength = 0;
   @ViewChild(MatPaginator, { static: true }) paginator: MatPaginator;
 
-  constructor(
-    private serviceApi: JumpTypeService,
-    private serviceComm: ServiceComm,
-    public dialog: MatDialog
-  ) {}
+  constructor(private serviceApi: JumpTypeService,
+              private serviceComm: ServiceComm,
+              private authenticationService: AuthenticationService,
+              public dialog: MatDialog) {
+    this.isUserAdmin = this.authenticationService.currentUserValue.IsAdmin;
+  }
 
   ngOnInit() {
     this.serviceComm.refreshRequest.subscribe(action => {
diff --git a/Front/skydivelogs-app/src/app/login-user/login-user.component.ts b/Front/skydivelogs-app/src/app/login-user/login-user.component.ts
index 6bbe913..dd815bd 100644
--- a/Front/skydivelogs-app/src/app/login-user/login-user.component.ts
+++ b/Front/skydivelogs-app/src/app/login-user/login-user.component.ts
@@ -43,7 +43,7 @@ export class LoginUserComponent implements OnInit, AfterViewInit {
         password: [
           '',
           [
-            Validators.required /*, Validators.pattern("^[A-Za-z0-9_-]{8,15}$")*/
+            Validators.required
           ]
         ]
       },
diff --git a/Front/skydivelogs-app/src/models/stats.ts b/Front/skydivelogs-app/src/models/stats.ts
index bf8349c..6879c8e 100644
--- a/Front/skydivelogs-app/src/models/stats.ts
+++ b/Front/skydivelogs-app/src/models/stats.ts
@@ -85,10 +85,8 @@ export class StatsByYearResp {
 }
 
 export class StatsForLastYearResp {
-  constructor(
-    dataByDz: Array<StatsByDzResp>,
-    dataByJumpType: Array<StatsByJumpTypeResp>
-  ) {
+  constructor(dataByDz: Array<StatsByDzResp>,
+              dataByJumpType: Array<StatsByJumpTypeResp>) {
     this.byDz = new Array<StatsByDzResp>();
     this.byJumpType = new Array<StatsByJumpTypeResp>();
 
@@ -101,10 +99,8 @@ export class StatsForLastYearResp {
 }
 
 export class StatsForLastMonthResp {
-  constructor(
-    dataByDz: Array<StatsByDzResp>,
-    dataByJumpType: Array<StatsByJumpTypeResp>
-  ) {
+  constructor(dataByDz: Array<StatsByDzResp>,
+              dataByJumpType: Array<StatsByJumpTypeResp>) {
     this.byDz = new Array<StatsByDzResp>();
     this.byJumpType = new Array<StatsByJumpTypeResp>();
 
diff --git a/Front/skydivelogs-app/src/models/user.ts b/Front/skydivelogs-app/src/models/user.ts
index 4034f76..df89a32 100644
--- a/Front/skydivelogs-app/src/models/user.ts
+++ b/Front/skydivelogs-app/src/models/user.ts
@@ -5,6 +5,9 @@ export class User {
   firstName: string;
   lastName: string;
   email: string;
+  roles: string;
   authdata?: string;
   token?: string;
+
+  get IsAdmin() { return this.roles === "admin"; }
 }
diff --git a/Front/skydivelogs-app/src/services/auth-guard.service.ts b/Front/skydivelogs-app/src/services/auth-guard.service.ts
index e2aa522..e715b2b 100644
--- a/Front/skydivelogs-app/src/services/auth-guard.service.ts
+++ b/Front/skydivelogs-app/src/services/auth-guard.service.ts
@@ -1,23 +1,14 @@
 import { Injectable } from "@angular/core";
-import {
-  CanActivate,
-  Router,
-  ActivatedRouteSnapshot,
-  RouterStateSnapshot
-} from "@angular/router";
+import { CanActivate, Router, ActivatedRouteSnapshot, RouterStateSnapshot } from "@angular/router";
 import { AuthenticationService } from "./authentication.service";
 
 @Injectable({ providedIn: "root" })
 export class AuthGuardService implements CanActivate {
-  constructor(
-    private router: Router,
-    private authenticationService: AuthenticationService
-  ) {}
+  constructor(private router: Router,
+              private authenticationService: AuthenticationService) {}
 
-  public canActivate(
-    route: ActivatedRouteSnapshot,
-    state: RouterStateSnapshot
-  ) {
+  public canActivate(route: ActivatedRouteSnapshot,
+                     state: RouterStateSnapshot) {
     const currentUser = this.authenticationService.currentUserValue;
     if (currentUser) {
       // logged in so return true
@@ -25,10 +16,9 @@ export class AuthGuardService implements CanActivate {
     }
 
     // not logged in so redirect to login page with the return url
-    this.router.navigate(["/login"], {
-      skipLocationChange: true,
-      queryParams: { returnUrl: state.url }
-    });
+    this.router.navigate(["/login"],
+                         {skipLocationChange: true, queryParams: { returnUrl: state.url }});
+
     return false;
   }
 }
diff --git a/Front/skydivelogs-app/src/services/authentication.service.ts b/Front/skydivelogs-app/src/services/authentication.service.ts
index 4b6de4e..54bc853 100644
--- a/Front/skydivelogs-app/src/services/authentication.service.ts
+++ b/Front/skydivelogs-app/src/services/authentication.service.ts
@@ -34,36 +34,31 @@ export class AuthenticationService extends BaseService {
       password: password
     };
 
-    return this.http
-      .post<User>(`${this.apiUrl}/User/Authenticate`, bodyLogin, {
-        headers: this.headers
-      })
-      .pipe(
-        map(user => {
-          this.pushUserToken(username, password, user);
-          return user;
-        })
-      );
+    return this.http.post<User>(`${this.apiUrl}/User/Authenticate`, 
+                                bodyLogin, 
+                                { headers: this.headers })
+                    .pipe(map(user => {
+                        this.pushUserToken(username, password, user);
+                        return user;
+                    }));
   }
 
   public create(newUser: User) {
-    return this.http
-      .post<any>(`${this.apiUrl}/User`, newUser, {
-        headers: this.headers
-      })
-      .pipe(
-        map(user => {
-          this.pushUserToken(newUser.login, newUser.password, user);
-          return user;
-        })
-      );
+    return this.http.post<User>(`${this.apiUrl}/User`, 
+                                newUser, 
+                                { headers: this.headers })
+                    .pipe(map(user => {
+                      this.pushUserToken(newUser.login, newUser.password, user);
+                      return user;
+                    }));
   }
 
-  private pushUserToken(login: string, password: string, user: any){
-    // store user details and basic auth credentials in local storage to keep user logged in between page refreshes
-    user.authdata = window.btoa(login + ":" + password);
-    localStorage.setItem("currentUser", JSON.stringify(user));
-    this.currentUserSubject.next(user);
+  private pushUserToken(login: string, password: string, user: User){
+    if (user && user.token) {
+      user.authdata = window.btoa(login + ":" + password);
+      localStorage.setItem("currentUser", JSON.stringify(user));
+      this.currentUserSubject.next(user);
+    }
   }
 
   private alwaysLogin() {
@@ -73,7 +68,6 @@ export class AuthenticationService extends BaseService {
   }
 
   logout() {
-    // remove user from local storage to log user out
     localStorage.removeItem("currentUser");
     this.currentUserSubject.next(null);
   }
diff --git a/Front/skydivelogs-app/src/services/base.service.ts b/Front/skydivelogs-app/src/services/base.service.ts
index dd374c0..42bd921 100644
--- a/Front/skydivelogs-app/src/services/base.service.ts
+++ b/Front/skydivelogs-app/src/services/base.service.ts
@@ -18,16 +18,5 @@ export class BaseService {
                 this.apiUrl = tmpApiUrl + '/api';
             }
         });
-
-        // const config: ConfigurationHelper = injector.get(ConfigurationHelper);
-        // config.load(environment.env)
-        //       .then(() => {
-        //           let tmpApiUrl : string = ConfigurationHelper.settings.apiUrl;
-      
-        //           this.headers = new HttpHeaders({
-        //               'Access-Control-Allow-Origin': tmpApiUrl
-        //           });
-        //           this.apiUrl = tmpApiUrl + '/api';
-        //           });
     }
 }