Gulfstream Aerospace G-III Performance Specs |

Aircraft Performance

Weights (lb)	G-III, G-1159A
Max Ramp	70,200
Max Takeoff	69,700
Max Landing	58,500
Zero Fuel	44,000c
BOW	37,800
Max Payload	6,200
Useful Load	32,400
Executive Payload	2,800
Max Fuel	28,300
Max Fuel	28,300
Avail Payload Max Fuel	4,100
Avail Fuel Max Payload	26,200
Avail Fuel Exec Payload	28,300
Limits	G-III, G-1159A
MMO	0.850
Transition Altitude FL/VMO	N/A
Cabin Pressurization (PSI)	9.5
Airport Performance	G-III, G-1159A
TO (Sea Level, ISA Temp)	5,100
TO (5000′, @25C)	7,175
Hot/High WAT	66,200
NBAA IFR Ranges V2 @ SL ISA, MTOW	3,072 145
VREF	114
Landing Distance with 4 Passengers	2,600
Climb	G-III, G-1159A
Time to Climb/Alt	N/A
Engine Out Rate fpm	1,470
FAR 25 Engine-Out Grad (ft/nm)	430
Ceilings (ft)	G-III, G-1159A
Certificated	45,000
All Eng Srv	42,200
Eng Out Service	27,000
Sea Level Cabin	22,000
Long Range Cruise	G-III, G-1159A
KTAS	442
Fuel Flow	2,712
Altitude	FL 450
Specific Range	0.163
High Speed Cruise	G-III, G-1159A
KTAS	488
Fuel Flow	4,016
Altitude	FL 390
Specific Range	0.122
Data based on latest manufactured year