TECUMSEH SKYDIVING SCHOOL LLC· ICAO24 a8b1e4· last seen 1d ago

N66AD is a Beech King Air 90, a twin-engine turboprop operated by TECUMSEH SKYDIVING SCHOOL LLC. SkyMeter has tracked 836 flights totalling 950 hours of airtime via ADS-B across 2 callsigns. The most frequent segment is 26W to 3NP. Service window in our records spans 415 days. Of those flights, 42 (5.0%) carry at least one detected incident: a go-around, unstable approach, stall warning, or runway excursion. The Beech King Air 90 has a 50 ft wingspan, a maximum takeoff weight of 10,485 lb.

About the Beech King Air 90

The Beechcraft King Air C90 series represents one of the most successful light twin turboprops ever built, with continuous production spanning from 1971 through 2021 across multiple variants. Powered by two Pratt & Whitney Canada PT6A-21 engines (later models upgraded to PT6A-135A), the C90 carved out a unique niche between smaller piston twins and larger cabin-class turboprops, offering genuine turbine reliability and pressurization in a compact airframe that could operate from shorter runways than its King Air 200 and 300 siblings. The type became the backbone of air ambulance fleets, corporate shuttles, and regional cargo operations precisely because it balanced operating economics with the ability to carry six to eight passengers in pressurized comfort at altitudes up to 30,000 feet.

Its rugged landing gear and docile handling made it popular for operations into unimproved strips across Alaska, the Australian outback, and remote island chains. The C90's longevity is remarkable: Beechcraft delivered over 1,300 airframes across five decades, with later variants like the C90GTx incorporating glass cockpits and autothrottle while retaining the original's proven wing and empennage design. The type remains a workhorse in medical evacuation roles, where its combination of speed (cruise around 226 knots), range (roughly 1,000 nautical miles with reserves), and cabin access for stretcher loading proved ideal.

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

FLIGHTS
836
all time
FLOWN HOURS
950
tracked time
📍
AIRPORTS VISITED
18
unique
📡
CALLSIGNS
2
48 routes
📅
SERVICE PERIOD
05/30/2025 → 07/19/2026
first → last
INCIDENT RATE
5.0%
42 flagged

Top routes

By flight count

10
26W 3NP
35
3NP 3NP
34
26W 26W
12
2E8 3NP
12
3NP 26W
10
26W 6H4
5
3NP KADG
5
26W 36MI
5
3NP KJXN
3
2E8 44G
3

Flight numbers

Most-flown by this airframe

2

Aircraft specifications

Beech King Air 90

Engines
Twin Turboprop
Vref (approach)
100 kt
Vmo
302 kt
MTOW
10,485 lb
Wingspan
50 ft
Length
36 ft
Wake category
Light

Recent flights

Newest 50 operations of N66AD

50
07/19/2026
1h 26m
No alerts
07/18/2026
2h 11m
No alerts
07/18/2026
3h 15m
No alerts
07/12/2026
2h 29m
No alerts
07/11/2026
3h 48m
No alerts
07/11/2026
1h 10m
No alerts
07/11/2026
1h 45m
No alerts
07/10/2026
1h 37m
No alerts
07/10/2026
4h 46m
No alerts
07/10/2026
7m
△ Low approach-stability score
07/03/2026
3h 24m
No alerts
07/03/2026
1h 46m
No alerts
07/03/2026
6h 30m
No alerts
07/02/2026
1h 39m
No alerts
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