skip to content

#1739· ICAO G159

Grumman Gulfstream I

🇺🇸 United States ·first flew 1958· business aircraft

Grumman Gulfstream I, photo 1 of 4
1/4 U.S. Coast Guard· Public domain

what is it?

The Grumman Gulfstream I (company designation G-159) is a twin-turboprop business aircraft. It first flew on August 14, 1958.

How to recognise it: 2 turboprops · low wing · retractable tricycle gear · 23.9 m wingspan

base stats

  • speed 560 km/hcruise speed
  • seats 24passengers
  • size 15.9 tmax take-off weight
  • built 200made in total

Bars compare against all aircraft: 3,500 km/h, 20,000 km, 850 seats; size and number built on a log scale up to 640 t (An-225) and 45,000 built (Cessna 172).

fun facts

  • First flew 68 years ago, in 1958.
  • Wingspan of 23.9 m: about 5 cars parked nose to tail.
  • Fully loaded it can weigh as much as 3 African elephants (~6 t each).
  • Can fly 1.2× higher than Mount Everest (8,849 m).

turboprop: A jet-style turbine turning a propeller: efficient on short hops.

spec sheet

first flight
1958-08-14
number built
200
role
business aircraft
origin
🇺🇸 United States
makers
Grumman, Gulfstream Aerospace
engines
2× Rolls-Royce Dart Mk.529 or Mk.529-8E
crew
2
passengers
24
length
19.4 m
wingspan
23.9 m
height
6.9 m
max take-off weight
15.9 t
top speed
—
cruise speed
560 km/h
range
—
ceiling
10,241 m
wings
low wing
landing gear
retractable tricycle gear
ICAO code
G159

Specs are for the version in the Wikipedia article's specification section. Blank means the sources don't say.

Sources: Wikidata Q1457281, Wikipedia: Grumman Gulfstream I (CC BY-SA 4.0), ICAO code from list of aircraft type designators.Updated 2026-10-24.

stan runge ef9524a source