SIBLEY DEAN R· ICAO24 a069e0· last seen 2d ago

N1259H is an Aero Designs Pulsar, a single-engine piston aircraft operated by SIBLEY DEAN R. SkyMeter has tracked 44 flights totalling 35 hours of airtime via ADS-B. The most frequent segment is KEMT to KEMT. Service window in our records spans 448 days. Of those flights, 2 (4.5%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Aero Designs Pulsar has a maximum takeoff weight of 1,320 lb, light wake category.

About the Aero Designs Pulsar

The Aero Designs Pulsar is an American homebuilt aircraft that emerged in the late 1980s as one of the first composite kitplanes designed specifically for the ultralight and light-sport categories. Built primarily from fiberglass and foam, the Pulsar features a distinctive high-wing configuration with a fully enclosed cockpit, offering builders a relatively straightforward construction process and respectable cross-country performance for its class. The design prioritizes efficiency and economy, typically powered by Rotax two-stroke engines in the 50-65 horsepower range, though some builders have experimented with four-stroke alternatives.

What sets the Pulsar apart in the experimental aircraft community is its versatility across multiple variants: the original single-seat AR15, the two-seat Pulsar XP, and the tricycle-gear Pulsar III, all sharing the same basic airframe philosophy of lightweight composite construction and docile handling characteristics. The aircraft's cruise speeds typically range from 90 to 120 knots depending on engine choice and configuration, with fuel economy that makes it popular among budget-conscious sport pilots. Its relatively low stall speeds and forgiving flight characteristics have made it a favorite among first-time kitplane builders, though construction times can stretch to 800-1200 hours depending on builder experience.

SkyMeter has tracked flights across airframes and operators, with the largest observed operator.

FLIGHTS
44
all time
FLOWN HOURS
35
tracked time
📍
AIRPORTS VISITED
15
unique
📡
CALLSIGNS
1
17 routes
📅
SERVICE PERIOD
06/02/2025 → 08/25/2026
first → last
INCIDENT RATE
4.5%
2 flagged

Top routes

By flight count

10
3
2
1
KEMT L18
1
1
1
1
1
1
1

Flight numbers

Most-flown by this airframe

1

Aircraft specifications

Aero Designs Pulsar

Engines
Single Piston
Vref (approach)
50 kt
MTOW
1,320 lb
Wake category
L

Recent flights

Newest 24 operations of N1259H

24
08/25/2026
45m
No alerts
07/30/2026
40m
No alerts
07/29/2026
29m
No alerts
07/29/2026
40m
No alerts
07/26/2026
18m
No alerts
07/26/2026
40m
No alerts
07/26/2026
41m
No alerts
07/26/2026
26m
No alerts
07/21/2026
1h 2m
No alerts
06/04/2026
47m
No alerts
06/04/2026
1h 25m
△ Low approach-stability score
04/26/2026
1h 14m
No alerts
04/23/2026
1h 46m
No alerts
04/23/2026
11m
No alerts
04/23/2026
2h 14m
No alerts
04/23/2026
1h 24m
No alerts
04/22/2026
38m
No alerts
10/31/2025
48m
No alerts
07/19/2025
50m
No alerts
07/05/2025
9m
No alerts
07/05/2025
38m
No alerts
07/05/2025
26m
No alerts
06/03/2025
23m
No alerts
06/02/2025
40m
No alerts
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