Boeing 737 MAX 9 (B39M)

The Boeing 737 MAX 9 — ICAO type designator B39M — is a twin-engined jet aircraft. It seats about 193 passengers, flies up to 6,570 km and spans 35.9 m. In Skydex 4 pilots logged 26 different airframes of the Boeing 737 MAX 9.

Heard by the network

5 Skydex receivers (Florida, Georgia, near Philadelphia) have heard the Boeing 737 MAX 9 — 360 different airframes, 16,432 sightings since 24 Aug 2026; last on 11 Nov 2026.

Operators

Distinct airframes per operator, from the callsigns our receivers hear (recorded since 7 Oct 2026) and from caught aircraft. The operator is the latest one heard, not an ownership history. Also heard: 1 private (not named), 2 without an operator callsign yet.

ICAO type code
B39M
Manufacturer
Boeing
Engines
2 × jet
Typical seats
193
Range
6,570 km
Wingspan
35.9 m
Length
42.1 m
Card rarity
common

Spotted airframes

In the directory

Questions

What is the ICAO designator for the Boeing 737 MAX 9?

B39M. It is the ICAO aircraft type designator used in flight plans and in ADS-B aircraft databases.

Who builds the Boeing 737 MAX 9?

Boeing.

Which airlines fly the Boeing 737 MAX 9?

In the Skydex network it has been heard or caught flying for United Airlines (186 airframes), Alaska Airlines (80 airframes) and COPA Airlines (32 airframes).

How often does the Skydex network hear the Boeing 737 MAX 9?

360 different airframes since 2026-08-24, on 16,432 airframe-days, at 5 receivers. The last one was heard on 2026-11-11.

How rare is the Boeing 737 MAX 9 in Skydex?

Common tier. Players have caught 26 airframes of the type.