diff --git a/Back/skydiveLogs-api.DomainBusiness/Interfaces/IStatsByAircraftService.cs b/Back/skydiveLogs-api.DomainBusiness/Interfaces/IStatsByAircraftService.cs
new file mode 100644
index 0000000..84ad3af
--- /dev/null
+++ b/Back/skydiveLogs-api.DomainBusiness/Interfaces/IStatsByAircraftService.cs
@@ -0,0 +1,14 @@
+using skydiveLogs_api.Domain;
+using System.Collections.Generic;
+
+namespace skydiveLogs_api.DomainBusiness.Interfaces
+{
+    public interface IStatsByAircraftService
+    {
+        #region Public Methods
+
+        IEnumerable<Statistic> GetStats();
+
+        #endregion Public Methods
+    }
+}
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diff --git a/Back/skydiveLogs-api.DomainBusiness/StatsByAircraftService.cs b/Back/skydiveLogs-api.DomainBusiness/StatsByAircraftService.cs
new file mode 100644
index 0000000..bb74b3d
--- /dev/null
+++ b/Back/skydiveLogs-api.DomainBusiness/StatsByAircraftService.cs
@@ -0,0 +1,100 @@
+using skydiveLogs_api.Domain;
+using skydiveLogs_api.DomainBusiness.Interfaces;
+using skydiveLogs_api.DomainService.Repositories;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace skydiveLogs_api.DomainBusiness
+{
+    public class StatsByByAircraftService : IStatsByAircraftService
+    {
+        #region Public Constructors
+
+        public StatsByByAircraftService(IJumpService jumpService,
+                                        IIdentityService identityService,
+                                        IStatsByAircraftRepository statsByAircraftRepository)
+        {
+            _jumpService = jumpService;
+            _identityService = identityService;
+            _statsByAircraftRepository = statsByAircraftRepository;
+        }
+
+        #endregion Public Constructors
+
+        #region Public Methods
+
+        public IEnumerable<Statistic> GetStats()
+        {
+            // var allStats = GetAllStats();
+            // if (!allStats.ByDz.Any())
+            // {
+            //     var allJumps = _jumpService.GetAllJumps();
+            //     var results = new List<Statistic>();
+
+            //     if (allJumps.Any())
+            //     {
+            //         results = [.. allJumps.GroupBy(j => j.DropZone.Name,
+            //                                    j => j,
+            //                                    (groupby, jumps) => new Statistic
+            //                                    {
+            //                                        Label = groupby.ToString(),
+            //                                        Nb = jumps.Count()
+            //                                    })];
+            //     }
+
+            //     allStats.ByDz = results;
+            //     _userStatsRepository.Update(allStats);
+            // }
+
+            // return allStats.ByDz;
+            return null;
+        }
+
+        // public void Reset()
+        // {
+        //     var resetStats = new UserStats();
+        //     var myStats = GetAllStats();
+        //     myStats.ByAircraft = resetStats.ByAircraft;
+        //     myStats.ByDz = resetStats.ByDz;
+        //     myStats.ByGear = resetStats.ByGear;
+        //     myStats.ByJumpType = resetStats.ByJumpType;
+        //     myStats.ByYear = resetStats.ByYear;
+        //     myStats.ForLastMonthByDz = resetStats.ForLastMonthByDz;
+        //     myStats.ForLastMonthByJumpType = resetStats.ForLastMonthByJumpType;
+        //     myStats.ForLastYearByDz = resetStats.ForLastYearByDz;
+        //     myStats.ForLastYearByJumpType = resetStats.ForLastYearByJumpType;
+        //     myStats.ByYearByJumpType = resetStats.ByYearByJumpType;
+
+        //     _userStatsRepository.Update(myStats);
+        // }
+
+        #endregion Public Methods
+
+        #region Private Methods
+
+        private UserStats GetAllStats()
+        {
+            var allStats = _statsByAircraftRepository.GetAll(_identityService.ConnectedUser);
+            if (allStats == null)
+            {
+                allStats = new UserStats
+                {
+                    User = _identityService.ConnectedUser
+                };
+                _statsByAircraftRepository.Add(allStats);
+            }
+
+            return allStats;
+        }
+
+        #endregion Private Methods
+
+        #region Private Fields
+
+        private readonly IIdentityService _identityService;
+        private readonly IJumpService _jumpService;
+        private readonly IStatsByAircraftRepository _statsByAircraftRepository;
+
+        #endregion Private Fields
+    }
+}
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diff --git a/Back/skydiveLogs-api.DomainService/Repositories/IStatsByAircraftRepository.cs b/Back/skydiveLogs-api.DomainService/Repositories/IStatsByAircraftRepository.cs
new file mode 100644
index 0000000..f1e038f
--- /dev/null
+++ b/Back/skydiveLogs-api.DomainService/Repositories/IStatsByAircraftRepository.cs
@@ -0,0 +1,13 @@
+using skydiveLogs_api.Domain;
+
+namespace skydiveLogs_api.DomainService.Repositories
+{
+    public interface IStatsByAircraftRepository : IRepository<StatsByAircraft>
+    {
+        #region Public Methods
+
+        StatsByAircraft GetAll(User user);
+
+        #endregion Public Methods
+    }
+}
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diff --git a/Back/skydiveLogs-api.Infrastructure/StatsByAircraftRepository.cs b/Back/skydiveLogs-api.Infrastructure/StatsByAircraftRepository.cs
new file mode 100644
index 0000000..8cb46b4
--- /dev/null
+++ b/Back/skydiveLogs-api.Infrastructure/StatsByAircraftRepository.cs
@@ -0,0 +1,77 @@
+using LiteDB;
+using skydiveLogs_api.Domain;
+using skydiveLogs_api.DomainService.Repositories;
+using skydiveLogs_api.Infrastructure.Interfaces;
+using System.Collections.Generic;
+
+namespace skydiveLogs_api.Infrastructure
+{
+    public class StatsByAircraftRepository : IStatsByAircraftRepository
+    {
+        #region Public Constructors
+
+        public StatsByAircraftRepository(IDataProvider dataProvider)
+        {
+            _dataProvider = dataProvider;
+            _col = _dataProvider.CollOfStatsByAircraft;
+        }
+
+        #endregion Public Constructors
+
+        #region Public Methods
+
+        public int Add(StatsByAircraft newStats)
+        {
+            int result;
+
+            try
+            {
+                var tmp = _col.Insert(newStats);
+                result = tmp.AsInt32;
+            }
+            catch
+            {
+                result = 0;
+            }
+
+            return result;
+        }
+
+        public IEnumerable<StatsByAircraft> GetAll()
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public StatsByAircraft GetAll(User user)
+        {
+            return _col.Include(x => x.User)
+                       .Query()
+                       .Where(j => j.User.Id == user.Id)
+                       .SingleOrDefault();
+        }
+
+        public StatsByAircraft GetById(int id)
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public int GetCount()
+        {
+            throw new System.NotImplementedException();
+        }
+
+        public bool Update(StatsByAircraft stats)
+        {
+            return _col.Update(stats);
+        }
+
+        #endregion Public Methods
+
+        #region Private Fields
+
+        private readonly ILiteCollection<StatsByAircraft> _col;
+        private readonly IDataProvider _dataProvider;
+
+        #endregion Private Fields
+    }
+}
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