Auster J/1 Autocrat (J1)
ICAO J1 Light Piston

Auster J/1 Autocrat

Single Piston

The Auster J/1 Autocrat is a British high-wing light aircraft that emerged immediately after World War II as one of the first civilian designs from Auster Aircraft Limited, a company that had spent the war building military observation aircraft for the RAF. First flown in 1945, the Autocrat was designed to meet the anticipated postwar boom in private flying, offering affordable two-seat touring capability with docile handling characteristics that made it popular with flying clubs across the Commonwealth. Powered by a 100-horsepower Blackburn Cirrus Minor inline engine, the Autocrat featured fabric-covered steel tube construction and a distinctive upright seating position that provided excellent visibility for both occupants. The type's gentle stall characteristics, wide speed range, and forgiving nature made it an ideal trainer and tourer, though its modest cruise speed of around 95 knots reflected its immediate postwar design priorities of economy and accessibility over performance. Production ran from 1946 to 1947 with approximately 420 examples built before Auster moved on to more powerful variants like the J/4 and J/5 series. Many Autocrats found their way to Commonwealth countries including New Zealand and Australia, where they served with aero clubs for decades. The type remains active on vintage aircraft registers today, prized by collectors for its historical significance as a bridge between wartime utility aircraft and the modern light aircraft industry. SkyMeter has tracked 2 flights across 2 airframes and 1 operators, with distinct routes observed.

✈
ACTIVE AIRFRAMES
2
last 7 days
🏢
OPERATORS
1
unique airlines
📊
FLIGHTS
2
tracked
⏱
AVG DURATION
35m
per flight
⚠
INCIDENT RATE
0.0%
0 flagged
ⓘ

Safety in context

The incident rate counts flights with ANY safety event detected by SkyMeter: go-arounds (a routine response, not a failure), unstable-approach gate flags (advisory thresholds), rejected takeoffs (the system working as designed), and runway events. It is NOT an accident rate or fatality rate. For accident statistics, refer to the NTSB Aviation Accident Database (USA) or the Aviation Safety Network. See methodology for what each event type measures.

Performance

Speed envelope & approach

Vref
50 kt
Vref range
—
Vmo
—
Mmo
—
Vne
130 kt
Vno
105 kt
Vs1 (clean)
40 kt
Vs0 (landing)
35 kt
Vfe
75 kt
Approach category
—

Dimensions

Airframe geometry

Wingspan
—
Length
—
Tail height
—
Wheelbase
—
Gear width
—
Wake category
L

Weight & identification

Operating limits

MTOW
1,600 lb
MALW
—
Manufacturer model
J/1 Autocrat
FAA designator
—
Registered
—

Top operators

By fleet size · last 7 days

0

No operator data available.

Safety profile

Flagged flights · last 7 days

Family

Related variants

0

No related variants.

Recent incidents

Flagged flights of J1

6
8/19/2026
29m
△ Low approach-stability score
7/31/2026
1h 0m
△ Low approach-stability score
4/10/2026
24m
△ Low approach-stability score
8/10/2025
40m
△ Low approach-stability score
7/13/2025
19m
△ Low approach-stability score
7/9/2025
34m
△ Low approach-stability score

Recent flights

Real flights of J1 · airborne ≥ 20 min

30
10/18/2026
33m
No alerts
10/15/2026
37m
No alerts
10/5/2026
43m
No alerts
10/5/2026
1h 49m
No alerts
10/5/2026
1h 7m
No alerts
10/4/2026
31m
No alerts
10/4/2026
54m
No alerts
10/3/2026
35m
No alerts
10/3/2026
1h 0m
No alerts
10/3/2026
1h 25m
No alerts
9/26/2026
1h 12m
No alerts
9/10/2026
29m
No alerts
8/23/2026
1h 4m
No alerts
8/23/2026
1h 4m
No alerts
8/23/2026
1h 7m
No alerts
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© SkyMeter · All flight data subject to ODbL attribution · Tracking window: 7 days (free tier)