If you launch NeoFly 4 today, it will automatically download 180 new aircraft. You just need to go to the "Settings" tab and check the ones you want to be in market.
NF 4 aircraft list:
Aero L-39 Albatros
AeroElvira Edgley Optica
Aerolite 103
Aerosoft DHC-6 Series 100 Floats Pax
Aerosoft DHC-6 Series 100 Wheels Cargo
Aerosoft DHC-6 Series 100 Wheels Pax
Aerosoft DHC-6 Series 300 Amphibian Pax
Aerosoft DHC-6 Series 300 Floats Pax
Aerosoft DHC-6 Series 300 Floats Pax (Short Nose)
Aerosoft DHC-6 Series 300 Ski Cargo
Aerosoft DHC-6 Series 300 Tundra Cargo
Aerosoft DHC-6 Series 300 Tundra Pax
Aerosoft DHC-6 Series 300 Wheels Cargo 3-Blade
Aerosoft DHC-6 Series 300 Wheels Cargo 4-Blade
Aerosoft DHC-6 Series 300 Wheels Pax
Aerosoft DHC-6 Series 300 Wheels Skydiver
Airbus A320 Neo Asobo
Airbus A320 Neo FlyByWire
Airbus H125
Airbus H135
Airbus H145 Civilian
Airbus H145 Luxury
Asobo Baron G58
Asobo NXCub
Asobo Savage Cub
Asobo XCub
Asobo XCub Floats
Asobo XCub Skis
BEECH H35
Beechcraft D17S Staggerwing
Beechcraft D18S
Beechcraft King Air 350i Asobo
Black Square Velocity XL
Boeing 247D
Boeing 747-8i Asobo
Boeing 787-10 Asobo
Boeing F/A 18E Super Hornet Asobo
Bombardier Global 6000
Bonanza G36 Asobo
Bonanza G36 Improvement Project
Britten Norman BN2A MKIII Trislander
Britten Norman BN2A MKIII-1 Trislander
Britten Norman BN2A MKIII-2 Trislander Cargo
Britten Norman BN2A Trislander-2
Britten Norman Islander BN2
Bucker Bu131 Jungmann
Canadair CL-215
Caproni-Vizzola C-22J
Carenado C170B
Carenado CT182T Skylane
Carenado M20R Ovation
Carenado PA34 Seneca V
Cessna 152 Aero Asobo
Cessna 152 Asobo
Cessna 172S JT-A
Cessna 208B Grand Caravan EX
Cessna 414AW
Cessna C337H Skymaster II
Cessna Citation Longitude FDE Fix
Cessna CJ4 Citation Asobo
Cessna L-19 Bird Dog Bush Plane
Cessna Longitude Asobo
Cessna Skyhawk Asobo
Cessna Skyhawk classic Amphibian
Cessna Skyhawk Floaters Asobo
Cessna Skyhawk G1000 Amphibian
Cessna Skyhawk G1000 Asobo
Cessna Skyhawk G1000 Floaters Asobo
Cessna Skyhawk G1000 Skis Asobo
Cessna Skyhawk Skis Asobo
CRJ1000
CRJ550
CRJ700ER
DA40 TDI Asobo
DA40-NG Asobo
DA62 Asobo
DC Designs Stearman
DCDesigns Concorde
DCDesigns_F14A_VF41
DCDesigns_F14B_VF143
DR400 Asobo
DV20 Asobo
Embraer Phenom 300E
ERCO 415C
Extra 330 Asobo
FlightDesignCT Asobo
Fly The Maddog X
FlyingIron P-38L Lightning
FlyInside B47G
Fox2 (912 iS - Low n' Slow)
Fox2 (915 iS - Stage 1)
Fox2 (915 iS - Stage 2)
Fox2 (915 iS)
FreedomFox
Grumman G-44A Widgeon
HJET HA420
Icon A5 Asobo
IRIS Jabiru J170
JPL Cessna 152
JPL Cessna 152 Fairing
Junkers JU 52/3M Modern
Just Flight 146-100
Just Flight 146-100 RAF
Just Flight 146-200
Just Flight 146-200QC
Just Flight 146-200QT
Just Flight 146-300
Just Flight 146-300QT
Just Flight Hawk T1
Just Flight PA28 Arrow III
Just Flight PA28 Turbo Arrow III
Just Flight PA28 Turbo Arrow IV
Just Flight PA28 Warrior II
Kodiak 100
Milviz 310R
Milviz FG-1D
Mudry Cap 10 C
NextGen EMB-110P
NextGen EMB-110P1
NextGen EMB-110P1F
Piaggio P-149D
Pilatus PC-6 G950 Floats
Pilatus PC-6 G950 Wheels
Pilatus PC-6 Gauge Skis
Pilatus PC-6 Gauge Wheels
Pipistrel Alpha Electro Asobo
Pitts Asobo
Pitts Special S1 Reno Asobo
PMDG 737-700
PMDG 737-700 BDSF
PMDG 737-BBJ
PMDG DC-6A
PMDG DC-6B
Robinson R44
Savage Carbon
Savage Shock Ultra Asobo
Socata TB-30 Epsilon
SR22 Asobo
Sting S4
Supermarine Spitfire Mk IX
Supermarine Spitfire Mk IX (Clipped Wings)
TBM 930 Asobo
The BRG BR
UH-1H Huey
VL-3 915
VL3 Asobo
Volocity Microsoft
Yakovlev Yak-18T