AMERICAN AIRPOWER HERITAGE FLYING MU· ICAO24 a91977· last seen 1d ago

N68591 is a Stinson L5 Sentinel, a single-engine piston aircraft operated by AMERICAN AIRPOWER HERITAGE FLYING MU. SkyMeter has tracked 312 flights totalling 199 hours of airtime via ADS-B. The most frequent segment is KSGS to KSGS. Service window in our records spans 499 days. Of those flights, 38 (12.2%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Stinson L5 Sentinel has a 34 ft wingspan, a maximum takeoff weight of 2,050 lb.

About the Stinson L5 Sentinel

The Stinson L-5 Sentinel served as the U.S. Army Air Forces' primary liaison and observation aircraft throughout World War II and Korea, earning a reputation as one of the most capable light aircraft of its era. Derived from the civilian Stinson 105 Voyager, the military variant featured a more powerful 190-horsepower Lycoming engine, enlarged windows for superior visibility, and rugged construction suited to frontline operations.

More than 3,900 Sentinels were built between 1942 and 1945, serving in every theater from the hedgerows of Normandy to the jungles of the Pacific, where they evacuated wounded soldiers, directed artillery fire, and performed reconnaissance missions from improvised airstrips often just hundreds of yards behind enemy lines. The L-5's slow-speed handling and short-field capability made it invaluable for these roles. It could operate from clearings barely longer than a football field and loiter at speeds slow enough for detailed ground observation.

With a service ceiling around 15,000 feet and a range of approximately 420 miles, the Sentinel provided commanders with eyes over the battlefield long before helicopters assumed that mission. Today the type survives primarily in warbird collections and living history flights, where its distinctive high-wing silhouette and fabric-covered fuselage remind audiences of an era when liaison pilots flew unarmed into combat zones as a matter of routine. SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

✈
FLIGHTS
312
all time
⏱
FLOWN HOURS
199
tracked time
📍
AIRPORTS VISITED
38
unique
📡
CALLSIGNS
1
61 routes
📅
SERVICE PERIOD
5/29/2025 → 10/11/2026
first → last
⚠
INCIDENT RATE
12.2%
38 flagged

Top routes

By flight count

10
43
8
5
4
3
3
3
3
3
2

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Stinson L5 Sentinel

Engines
Single Piston
Vref (approach)
58 kt
MTOW
2,050 lb
Wingspan
34 ft
Length
24 ft
Wake category
Light

Recent flights

Newest 50 operations of N68591

50
10/3/2026
40m
△ Low approach-stability score
9/11/2026
33m
△ Low approach-stability score
8/30/2026
35m
△ Low approach-stability score
8/28/2026
49m
△ Low approach-stability score
8/26/2026
58m
△ Low approach-stability score
8/3/2026
31m
△ Low approach-stability score
7/29/2026
30m
△ Low approach-stability score
7/29/2026
16m
△ Low approach-stability score
7/19/2026
15m
△ Low approach-stability score
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