Douglas Dc 9-10 (DC91)
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ICAO DC91 Large

Douglas Dc 9-10

Twin Jet· 14 globally registered

The DOUGLAS Douglas DC 9-10 (DC91) is a DOUGLAS 2-engine jet aircraft classified as medium wake category. Typical approach speed (Vref) is around 132 knots; operating envelope 41,141 kg MTOW. SkyMeter has observed 33 flights operated by this type across 3 airframes and 1 carriers. The largest observed operator is SIERRA AMERICAN CORP (AJI).

ACTIVE AIRFRAMES
3
last 90 days
🏢
OPERATORS
1
unique airlines
📊
FLIGHTS
33
tracked
AVG DURATION
1h 45m
per flight
INCIDENT RATE
12.1%
4 flagged

Performance

Speed envelope & approach

Vref
132 kt
Vref range
Vmo
Mmo
Approach category
C

Dimensions

Airframe geometry

Wingspan
89 ft
Length
104 ft
Tail height
28 ft
Wheelbase
47 ft
Gear width
18 ft
Wake category
Medium

Weight & identification

Operating limits

MTOW
90,700 lb
MALW
81,700 lb
Manufacturer model
Douglas DC 9-10
FAA designator
DC91
Registered
14

Top operators

By fleet size · last 90 days

1

Safety profile

Flagged flights · last 90 days

Recent incidents

Flagged flights of DC91

3
05/31/2026
47m
△ Unstable
04/25/2026
38m
△ Unstable
04/25/2026
4h 15m
△ Unstable

Recent flights

Real flights of DC91 · airborne ≥ 20 min

30
06/03/2026
1h 1m
No alerts
06/03/2026
46m
No alerts
06/03/2026
1h 34m
No alerts
06/03/2026
1h 17m
No alerts
06/02/2026
2h 31m
No alerts
06/02/2026
2h 19m
No alerts
06/02/2026
2h 28m
No alerts
06/02/2026
1h 57m
No alerts
06/01/2026
2h 17m
No alerts
06/01/2026
1h 47m
No alerts
05/31/2026
3h 56m
No alerts
05/31/2026
47m
△ Unstable
05/31/2026
36m
No alerts
05/29/2026
1h 28m
No alerts
05/28/2026
1h 9m
No alerts
05/21/2026
1h 13m
No alerts
05/21/2026
1h 7m
No alerts
05/20/2026
48m
No alerts
05/20/2026
4h 14m
No alerts
05/18/2026
2h 12m
No alerts
04/25/2026
38m
△ Unstable
04/25/2026
41m
No alerts
04/25/2026
4h 15m
△ Unstable
04/23/2026
3h 36m
No alerts
04/23/2026
2h 20m
No alerts
04/23/2026
1h 49m
No alerts
04/21/2026
1h 8m
No alerts
04/21/2026
3h 16m
No alerts
04/21/2026
2h 31m
No alerts
04/21/2026
1h 43m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 90 days