diff --git a/app/Database/migrations/2017_06_08_0000_create_users_table.php b/app/Database/migrations/2017_06_08_0000_create_users_table.php
index 1622bab1..93fce01b 100755
--- a/app/Database/migrations/2017_06_08_0000_create_users_table.php
+++ b/app/Database/migrations/2017_06_08_0000_create_users_table.php
@@ -24,11 +24,11 @@ class CreateUsersTable extends Migration
             $table->string('country', 2)->nullable();
             $table->string('home_airport_id', 5)->nullable();
             $table->string('curr_airport_id', 5)->nullable();
-            $table->string('last_pirep_id', 12)->nullable();
+            $table->string('last_pirep_id', \App\Models\Pirep::ID_MAX_LENGTH)->nullable();
             $table->unsignedBigInteger('flights')->default(0);
             $table->unsignedBigInteger('flight_time')->nullable()->default(0);
             $table->unsignedBigInteger('transfer_time')->nullable()->default(0);
-            $table->decimal('balance', 19)->nullable();
+            $table->decimal('balance')->nullable();
             $table->string('timezone', 64)->nullable();
             $table->unsignedTinyInteger('status')->nullable()->default(0);
             $table->unsignedTinyInteger('state')->nullable()->default(0);
diff --git a/app/Database/migrations/2017_06_09_010621_create_aircrafts_table.php b/app/Database/migrations/2017_06_09_010621_create_aircrafts_table.php
index c7eb26c5..b53e278a 100644
--- a/app/Database/migrations/2017_06_09_010621_create_aircrafts_table.php
+++ b/app/Database/migrations/2017_06_09_010621_create_aircrafts_table.php
@@ -18,7 +18,7 @@ class CreateAircraftsTable extends Migration
             $table->string('name', 50);
             $table->string('registration', 10)->nullable();
             $table->string('hex_code', 10)->nullable();
-            $table->unsignedDecimal('zfw', 12)->nullable()->default(0);
+            $table->unsignedDecimal('zfw')->nullable()->default(0);
             $table->unsignedBigInteger('flight_time')->nullable()->default(0);
             $table->boolean('active')->default(true);
             $table->unsignedTinyInteger('state')->default(AircraftState::PARKED);
diff --git a/app/Database/migrations/2017_06_10_040335_create_fares_table.php b/app/Database/migrations/2017_06_10_040335_create_fares_table.php
index 3efb6ff2..525925ce 100644
--- a/app/Database/migrations/2017_06_10_040335_create_fares_table.php
+++ b/app/Database/migrations/2017_06_10_040335_create_fares_table.php
@@ -17,8 +17,8 @@ class CreateFaresTable extends Migration
             $table->increments('id');
             $table->string('code', 50);
             $table->string('name', 50);
-            $table->unsignedDecimal('price', 19)->nullable()->default(0.00);
-            $table->unsignedDecimal('cost', 19)->nullable()->default(0.00);
+            $table->unsignedDecimal('price')->nullable()->default(0.00);
+            $table->unsignedDecimal('cost')->nullable()->default(0.00);
             $table->unsignedInteger('capacity')->nullable()->default(0);
             $table->string('notes')->nullable();
             $table->boolean('active')->default(true);
diff --git a/app/Database/migrations/2017_06_11_135707_create_airports_table.php b/app/Database/migrations/2017_06_11_135707_create_airports_table.php
index e56aaafc..71feb7f1 100644
--- a/app/Database/migrations/2017_06_11_135707_create_airports_table.php
+++ b/app/Database/migrations/2017_06_11_135707_create_airports_table.php
@@ -16,9 +16,9 @@ class CreateAirportsTable extends Migration
             $table->string('country', 64)->nullable();
             $table->string('timezone', 64)->nullable();
             $table->boolean('hub')->default(false);
-            $table->unsignedDecimal('fuel_100ll_cost', 8)->nullable()->default(0);
-            $table->unsignedDecimal('fuel_jeta_cost', 8)->nullable()->default(0);
-            $table->unsignedDecimal('fuel_mogas_cost', 8)->nullable()->default(0);
+            $table->unsignedDecimal('fuel_100ll_cost')->nullable()->default(0);
+            $table->unsignedDecimal('fuel_jeta_cost')->nullable()->default(0);
+            $table->unsignedDecimal('fuel_mogas_cost')->nullable()->default(0);
             $table->float('lat', 7, 4)->nullable()->default(0.0);
             $table->float('lon', 7, 4)->nullable()->default(0.0);
         });
diff --git a/app/Database/migrations/2017_06_17_214650_create_flight_tables.php b/app/Database/migrations/2017_06_17_214650_create_flight_tables.php
index 5a1b7c31..75bcb679 100644
--- a/app/Database/migrations/2017_06_17_214650_create_flight_tables.php
+++ b/app/Database/migrations/2017_06_17_214650_create_flight_tables.php
@@ -16,7 +16,7 @@ class CreateFlightTables extends Migration
     public function up()
     {
         Schema::create('flights', function (Blueprint $table) {
-            $table->string('id', 12);
+            $table->string('id', \App\Models\Flight::ID_MAX_LENGTH);
             $table->unsignedInteger('airline_id');
             $table->string('flight_number', 10);
             $table->string('route_code', 5)->nullable();
@@ -27,7 +27,7 @@ class CreateFlightTables extends Migration
             $table->string('dpt_time', 10)->nullable();
             $table->string('arr_time', 10)->nullable();
             $table->unsignedInteger('level')->nullable()->default(0);
-            $table->unsignedDecimal('distance', 19)->nullable()->default(0.0);
+            $table->unsignedDecimal('distance')->nullable()->default(0.0);
             $table->unsignedInteger('flight_time')->nullable();
             $table->tinyInteger('flight_type')->default(FlightType::PASSENGER);
             $table->text('route')->nullable();
@@ -38,15 +38,13 @@ class CreateFlightTables extends Migration
 
             $table->primary('id');
 
-            #$table->unique('flight_number');
-
             $table->index('flight_number');
             $table->index('dpt_airport_id');
             $table->index('arr_airport_id');
         });
 
         Schema::create('flight_fare', function (Blueprint $table) {
-            $table->string('flight_id', 12);
+            $table->string('flight_id', \App\Models\Flight::ID_MAX_LENGTH);
             $table->unsignedInteger('fare_id');
             $table->string('price', 10)->nullable();
             $table->string('cost', 10)->nullable();
@@ -58,7 +56,7 @@ class CreateFlightTables extends Migration
 
         Schema::create('flight_fields', function (Blueprint $table) {
             $table->increments('id');
-            $table->string('flight_id', 12);
+            $table->string('flight_id', \App\Models\Flight::ID_MAX_LENGTH);
             $table->string('name', 50);
             $table->text('value');
             $table->timestamps();
diff --git a/app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php b/app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php
index 6cbdeb47..72ade186 100644
--- a/app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php
+++ b/app/Database/migrations/2017_06_23_011011_create_subfleet_tables.php
@@ -19,16 +19,16 @@ class CreateSubfleetTables extends Migration
             $table->string('name', 50);
             $table->string('type', 50);
             $table->unsignedTinyInteger('fuel_type')->nullable();
-            $table->unsignedDecimal('cargo_capacity', 19)->nullable();
-            $table->unsignedDecimal('fuel_capacity', 19)->nullable();
-            $table->unsignedDecimal('gross_weight', 19)->nullable();
+            $table->unsignedDecimal('cargo_capacity')->nullable();
+            $table->unsignedDecimal('fuel_capacity')->nullable();
+            $table->unsignedDecimal('gross_weight')->nullable();
             $table->timestamps();
         });
 
         Schema::create('subfleet_expenses', function(Blueprint $table) {
             $table->unsignedBigInteger('subfleet_id');
             $table->string('name', 50);
-            $table->unsignedDecimal('cost', 19);
+            $table->unsignedDecimal('cost');
 
             $table->primary(['subfleet_id', 'name']);
         });
@@ -36,8 +36,8 @@ class CreateSubfleetTables extends Migration
         Schema::create('subfleet_fare', function (Blueprint $table) {
             $table->unsignedInteger('subfleet_id');
             $table->unsignedInteger('fare_id');
-            $table->unsignedDecimal('price', 19)->nullable();
-            $table->unsignedDecimal('cost', 19)->nullable();
+            $table->unsignedDecimal('price')->nullable();
+            $table->unsignedDecimal('cost')->nullable();
             $table->unsignedInteger('capacity')->nullable();
             $table->timestamps();
 
@@ -56,8 +56,8 @@ class CreateSubfleetTables extends Migration
         Schema::create('subfleet_rank', function(Blueprint $table) {
             $table->unsignedInteger('rank_id');
             $table->unsignedInteger('subfleet_id');
-            $table->unsignedDecimal('acars_pay', 19)->nullable();
-            $table->unsignedDecimal('manual_pay', 19)->nullable();
+            $table->unsignedDecimal('acars_pay')->nullable();
+            $table->unsignedDecimal('manual_pay')->nullable();
 
             $table->primary(['rank_id', 'subfleet_id']);
             $table->index(['subfleet_id', 'rank_id']);
diff --git a/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php b/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
index f293de0d..847ccd34 100644
--- a/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
+++ b/app/Database/migrations/2017_06_28_195426_create_pirep_tables.php
@@ -18,11 +18,11 @@ class CreatePirepTables extends Migration
     public function up()
     {
         Schema::create('pireps', function (Blueprint $table) {
-            $table->string('id', 12);
+            $table->string('id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->unsignedInteger('user_id');
             $table->unsignedInteger('airline_id');
             $table->unsignedInteger('aircraft_id')->nullable();
-            $table->string('flight_id', 12)->nullable();
+            $table->string('flight_id', \App\Models\Flight::ID_MAX_LENGTH)->nullable();
             $table->string('flight_number', 10)->nullable();
             $table->string('route_code', 5)->nullable();
             $table->string('route_leg', 5)->nullable();
@@ -33,10 +33,10 @@ class CreatePirepTables extends Migration
             $table->unsignedDecimal('planned_distance')->nullable();
             $table->unsignedInteger('flight_time')->nullable();
             $table->unsignedInteger('planned_flight_time')->nullable();
-            $table->unsignedDecimal('zfw', 19)->nullable();
-            $table->unsignedDecimal('block_fuel', 19)->nullable();
-            $table->unsignedDecimal('fuel_used', 19)->nullable();
-            $table->decimal('landing_rate', 8)->nullable();
+            $table->unsignedDecimal('zfw')->nullable();
+            $table->unsignedDecimal('block_fuel')->nullable();
+            $table->unsignedDecimal('fuel_used')->nullable();
+            $table->decimal('landing_rate')->nullable();
             $table->text('route')->nullable();
             $table->text('notes')->nullable();
             $table->unsignedTinyInteger('source')->nullable()->default(0);
@@ -55,7 +55,7 @@ class CreatePirepTables extends Migration
 
         Schema::create('pirep_comments', function (Blueprint $table) {
             $table->bigIncrements('id');
-            $table->string('pirep_id', 12);
+            $table->string('pirep_id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->unsignedInteger('user_id');
             $table->text('comment');
             $table->timestamps();
@@ -66,16 +66,16 @@ class CreatePirepTables extends Migration
          */
         Schema::create('pirep_expenses', function (Blueprint $table) {
             $table->bigIncrements('id');
-            $table->string('pirep_id', 12);
+            $table->string('pirep_id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->string('name');
-            $table->double('value', 19, 2)->nullable();
+            $table->double('value')->nullable();
 
             $table->index('pirep_id');
         });
 
         Schema::create('pirep_fares', function (Blueprint $table) {
             $table->bigIncrements('id');
-            $table->string('pirep_id', 12);
+            $table->string('pirep_id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->unsignedBigInteger('fare_id');
             $table->unsignedInteger('count')->nullable();
 
@@ -94,7 +94,7 @@ class CreatePirepTables extends Migration
 
         Schema::create('pirep_field_values', function (Blueprint $table) {
             $table->bigIncrements('id');
-            $table->string('pirep_id', 12);
+            $table->string('pirep_id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->string('name', 50);
             $table->string('value')->nullable();
             $table->string('source')->nullable();
diff --git a/app/Database/migrations/2017_12_12_174519_create_bids_table.php b/app/Database/migrations/2017_12_12_174519_create_bids_table.php
index 45853ac4..f9ad6d6d 100644
--- a/app/Database/migrations/2017_12_12_174519_create_bids_table.php
+++ b/app/Database/migrations/2017_12_12_174519_create_bids_table.php
@@ -16,7 +16,7 @@ class CreateBidsTable extends Migration
         Schema::create('user_bids', function (Blueprint $table) {
             $table->increments('id');
             $table->unsignedInteger('user_id');
-            $table->string('flight_id', 12);
+            $table->string('flight_id', \App\Models\Flight::ID_MAX_LENGTH);
             $table->timestamps();
 
             $table->index('user_id');
diff --git a/app/Database/migrations/2017_12_20_005147_create_acars_tables.php b/app/Database/migrations/2017_12_20_005147_create_acars_tables.php
index 238aa3ae..402a3af3 100644
--- a/app/Database/migrations/2017_12_20_005147_create_acars_tables.php
+++ b/app/Database/migrations/2017_12_20_005147_create_acars_tables.php
@@ -15,7 +15,7 @@ class CreateAcarsTables extends Migration
     {
         Schema::create('acars', function (Blueprint $table) {
             $table->string('id', 12);
-            $table->string('pirep_id', 12);
+            $table->string('pirep_id', \App\Models\Pirep::ID_MAX_LENGTH);
             $table->unsignedTinyInteger('type');
             $table->unsignedInteger('nav_type')->nullable();
             $table->unsignedInteger('order')->default(0);
diff --git a/app/Models/Flight.php b/app/Models/Flight.php
index 3106f487..0443f6dd 100644
--- a/app/Models/Flight.php
+++ b/app/Models/Flight.php
@@ -13,6 +13,8 @@ class Flight extends BaseModel
 {
     use HashId;
 
+    public const ID_MAX_LENGTH = 12;
+
     public $table = 'flights';
     public $incrementing = false;
 
diff --git a/app/Models/Pirep.php b/app/Models/Pirep.php
index 8c078a4b..60813070 100644
--- a/app/Models/Pirep.php
+++ b/app/Models/Pirep.php
@@ -8,7 +8,6 @@ use App\Models\Traits\HashId;
 use App\Support\Units\Distance;
 
 use App\Support\Units\Fuel;
-use App\Support\Units\Time;
 use PhpUnitsOfMeasure\Exception\NonNumericValue;
 use PhpUnitsOfMeasure\Exception\NonStringUnitName;
 
@@ -21,6 +20,8 @@ class Pirep extends BaseModel
 {
     use HashId;
 
+    public const ID_MAX_LENGTH = 12;
+
     public $table = 'pireps';
     public $incrementing = false;